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Merge branch 'perf/urgent' into perf/core, to pick up PMU driver fixes.

Browse Source 
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2014-04-18 12:14:55 +02:00
commit 1111b680d3
124 changed files with 2505 additions and 1949 deletions
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2
Documentation/devicetree/bindings/pinctrl/brcm,bcm11351-pinctrl.txt
View File

@ -119,7 +119,7 @@ Optional Properties (for HDMI pins):
Example:
// pin controller node
pinctrl@35004800 {
compatible = "brcmbcm11351-pinctrl";
compatible = "brcm,bcm11351-pinctrl";
reg = <0x35004800 0x430>;
// pin configuration node

2
arch/arm/configs/bcm_defconfig
View File

@ -132,7 +132,7 @@ CONFIG_CRC_ITU_T=y
CONFIG_CRC7=y
CONFIG_XZ_DEC=y
CONFIG_AVERAGE=y
CONFIG_PINCTRL_CAPRI=y
CONFIG_PINCTRL_BCM281XX=y
CONFIG_WATCHDOG=y
CONFIG_BCM_KONA_WDT=y
CONFIG_BCM_KONA_WDT_DEBUG=y

2
arch/ia64/kernel/head.S
View File

@ -259,7 +259,7 @@ start_ap:
* Switch into virtual mode:
*/
movl r16=(IA64_PSR_IT|IA64_PSR_IC|IA64_PSR_DT|IA64_PSR_RT|IA64_PSR_DFH|IA64_PSR_BN \
|IA64_PSR_DI|IA64_PSR_AC)
|IA64_PSR_DI)
;;
mov cr.ipsr=r16
movl r17=1f

2
arch/ia64/kernel/ivt.S
View File

@ -58,7 +58,7 @@
#include <asm/unistd.h>
#include <asm/errno.h>
#if 1
#if 0
# define PSR_DEFAULT_BITS psr.ac
#else
# define PSR_DEFAULT_BITS 0

2
arch/ia64/kvm/vmm_ivt.S
View File

@ -64,7 +64,7 @@
#include "kvm_minstate.h"
#include "vti.h"
#if 1
#if 0
# define PSR_DEFAULT_BITS psr.ac
#else
# define PSR_DEFAULT_BITS 0

19
arch/s390/include/asm/sigp.h
View File

@ -31,4 +31,23 @@
#define SIGP_STATUS_INCORRECT_STATE 0x00000200UL
#define SIGP_STATUS_NOT_RUNNING 0x00000400UL
#ifndef __ASSEMBLY__
static inline int __pcpu_sigp(u16 addr, u8 order, u32 parm, u32 *status)
{
register unsigned int reg1 asm ("1") = parm;
int cc;
asm volatile(
" sigp %1,%2,0(%3)\n"
" ipm %0\n"
" srl %0,28\n"
: "=d" (cc), "+d" (reg1) : "d" (addr), "a" (order) : "cc");
if (status && cc == 1)
*status = reg1;
return cc;
}
#endif /* __ASSEMBLY__ */
#endif /* __S390_ASM_SIGP_H */

13
arch/s390/include/asm/smp.h
View File

@ -7,6 +7,8 @@
#ifndef __ASM_SMP_H
#define __ASM_SMP_H
#include <asm/sigp.h>
#ifdef CONFIG_SMP
#include <asm/lowcore.h>
@ -50,9 +52,18 @@ static inline int smp_store_status(int cpu) { return 0; }
static inline int smp_vcpu_scheduled(int cpu) { return 1; }
static inline void smp_yield_cpu(int cpu) { }
static inline void smp_yield(void) { }
static inline void smp_stop_cpu(void) { }
static inline void smp_fill_possible_mask(void) { }
static inline void smp_stop_cpu(void)
{
u16 pcpu = stap();
for (;;) {
__pcpu_sigp(pcpu, SIGP_STOP, 0, NULL);
cpu_relax();
}
}
#endif /* CONFIG_SMP */
#ifdef CONFIG_HOTPLUG_CPU

3
arch/s390/include/uapi/asm/unistd.h
View File

@ -282,7 +282,8 @@
#define __NR_finit_module 344
#define __NR_sched_setattr 345
#define __NR_sched_getattr 346
#define NR_syscalls 345
#define __NR_renameat2 347
#define NR_syscalls 348
/*
* There are some system calls that are not present on 64 bit, some

3
arch/s390/kernel/compat_wrapper.c
View File

@ -1,5 +1,5 @@
/*
* Compat sytem call wrappers.
* Compat system call wrappers.
*
* Copyright IBM Corp. 2014
*/
@ -213,3 +213,4 @@ COMPAT_SYSCALL_WRAP5(kcmp, pid_t, pid1, pid_t, pid2, int, type, unsigned long, i
COMPAT_SYSCALL_WRAP3(finit_module, int, fd, const char __user *, uargs, int, flags);
COMPAT_SYSCALL_WRAP3(sched_setattr, pid_t, pid, struct sched_attr __user *, attr, unsigned int, flags);
COMPAT_SYSCALL_WRAP4(sched_getattr, pid_t, pid, struct sched_attr __user *, attr, unsigned int, size, unsigned int, flags);
COMPAT_SYSCALL_WRAP5(renameat2, int, olddfd, const char __user *, oldname, int, newdfd, const char __user *, newname, unsigned int, flags);

8
arch/s390/kernel/dumpstack.c
View File

@ -144,10 +144,10 @@ void show_registers(struct pt_regs *regs)
char *mode;
mode = user_mode(regs) ? "User" : "Krnl";
printk("%s PSW : %p %p (%pSR)\n",
mode, (void *) regs->psw.mask,
(void *) regs->psw.addr,
(void *) regs->psw.addr);
printk("%s PSW : %p %p", mode, (void *)regs->psw.mask, (void *)regs->psw.addr);
if (!user_mode(regs))
printk(" (%pSR)", (void *)regs->psw.addr);
printk("\n");
printk(" R:%x T:%x IO:%x EX:%x Key:%x M:%x W:%x "
"P:%x AS:%x CC:%x PM:%x", mask_bits(regs, PSW_MASK_PER),
mask_bits(regs, PSW_MASK_DAT), mask_bits(regs, PSW_MASK_IO),

2
arch/s390/kernel/ptrace.c
View File

@ -64,7 +64,7 @@ void update_cr_regs(struct task_struct *task)
if (task->thread.per_flags & PER_FLAG_NO_TE)
cr_new &= ~(1UL << 55);
if (cr_new != cr)
__ctl_load(cr, 0, 0);
__ctl_load(cr_new, 0, 0);
/* Set or clear transaction execution TDC bits 62 and 63. */
__ctl_store(cr, 2, 2);
cr_new = cr & ~3UL;

32
arch/s390/kernel/setup.c
View File

@ -1027,3 +1027,35 @@ void __init setup_arch(char **cmdline_p)
/* Setup zfcpdump support */
setup_zfcpdump();
}
#ifdef CONFIG_32BIT
static int no_removal_warning __initdata;
static int __init parse_no_removal_warning(char *str)
{
no_removal_warning = 1;
return 0;
}
__setup("no_removal_warning", parse_no_removal_warning);
static int __init removal_warning(void)
{
if (no_removal_warning)
return 0;
printk(KERN_ALERT "\n\n");
printk(KERN_CONT "Warning - you are using a 31 bit kernel!\n\n");
printk(KERN_CONT "We plan to remove 31 bit kernel support from the kernel sources in March 2015.\n");
printk(KERN_CONT "Currently we assume that nobody is using the 31 bit kernel on old 31 bit\n");
printk(KERN_CONT "hardware anymore. If you think that the code should not be removed and also\n");
printk(KERN_CONT "future versions of the Linux kernel should be able to run in 31 bit mode\n");
printk(KERN_CONT "please let us know. Please write to:\n");
printk(KERN_CONT "linux390@de.ibm.com (mail address) and/or\n");
printk(KERN_CONT "linux-s390@vger.kernel.org (mailing list).\n\n");
printk(KERN_CONT "Thank you!\n\n");
printk(KERN_CONT "If this kernel runs on a 64 bit machine you may consider using a 64 bit kernel.\n");
printk(KERN_CONT "This message can be disabled with the \"no_removal_warning\" kernel parameter.\n");
schedule_timeout_uninterruptible(300 * HZ);
return 0;
}
early_initcall(removal_warning);
#endif

15
arch/s390/kernel/smp.c
View File

@ -82,21 +82,6 @@ DEFINE_MUTEX(smp_cpu_state_mutex);
/*
* Signal processor helper functions.
*/
static inline int __pcpu_sigp(u16 addr, u8 order, u32 parm, u32 *status)
{
register unsigned int reg1 asm ("1") = parm;
int cc;
asm volatile(
" sigp %1,%2,0(%3)\n"
" ipm %0\n"
" srl %0,28\n"
: "=d" (cc), "+d" (reg1) : "d" (addr), "a" (order) : "cc");
if (status && cc == 1)
*status = reg1;
return cc;
}
static inline int __pcpu_sigp_relax(u16 addr, u8 order, u32 parm, u32 *status)
{
int cc;

1
arch/s390/kernel/syscalls.S
View File

@ -355,3 +355,4 @@ SYSCALL(sys_kcmp,sys_kcmp,compat_sys_kcmp)
SYSCALL(sys_finit_module,sys_finit_module,compat_sys_finit_module)
SYSCALL(sys_sched_setattr,sys_sched_setattr,compat_sys_sched_setattr) /* 345 */
SYSCALL(sys_sched_getattr,sys_sched_getattr,compat_sys_sched_getattr)
SYSCALL(sys_renameat2,sys_renameat2,compat_sys_renameat2)

5
arch/s390/lib/uaccess.c
View File

@ -338,9 +338,6 @@ static inline unsigned long strnlen_user_srst(const char __user *src,
register unsigned long reg0 asm("0") = 0;
unsigned long tmp1, tmp2;
if (unlikely(!size))
return 0;
update_primary_asce(current);
asm volatile(
" la %2,0(%1)\n"
" la %3,0(%0,%1)\n"
@ -359,6 +356,8 @@ static inline unsigned long strnlen_user_srst(const char __user *src,
unsigned long __strnlen_user(const char __user *src, unsigned long size)
{
if (unlikely(!size))
return 0;
update_primary_asce(current);
return strnlen_user_srst(src, size);
}

140
arch/s390/mm/fault.c
View File

@ -126,6 +126,133 @@ static inline int user_space_fault(struct pt_regs *regs)
return 0;
}
static int bad_address(void *p)
{
unsigned long dummy;
return probe_kernel_address((unsigned long *)p, dummy);
}
#ifdef CONFIG_64BIT
static void dump_pagetable(unsigned long asce, unsigned long address)
{
unsigned long *table = __va(asce & PAGE_MASK);
pr_alert("AS:%016lx ", asce);
switch (asce & _ASCE_TYPE_MASK) {
case _ASCE_TYPE_REGION1:
table = table + ((address >> 53) & 0x7ff);
if (bad_address(table))
goto bad;
pr_cont("R1:%016lx ", *table);
if (*table & _REGION_ENTRY_INVALID)
goto out;
table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
/* fallthrough */
case _ASCE_TYPE_REGION2:
table = table + ((address >> 42) & 0x7ff);
if (bad_address(table))
goto bad;
pr_cont("R2:%016lx ", *table);
if (*table & _REGION_ENTRY_INVALID)
goto out;
table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
/* fallthrough */
case _ASCE_TYPE_REGION3:
table = table + ((address >> 31) & 0x7ff);
if (bad_address(table))
goto bad;
pr_cont("R3:%016lx ", *table);
if (*table & (_REGION_ENTRY_INVALID | _REGION3_ENTRY_LARGE))
goto out;
table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
/* fallthrough */
case _ASCE_TYPE_SEGMENT:
table = table + ((address >> 20) & 0x7ff);
if (bad_address(table))
goto bad;
pr_cont(KERN_CONT "S:%016lx ", *table);
if (*table & (_SEGMENT_ENTRY_INVALID | _SEGMENT_ENTRY_LARGE))
goto out;
table = (unsigned long *)(*table & _SEGMENT_ENTRY_ORIGIN);
}
table = table + ((address >> 12) & 0xff);
if (bad_address(table))
goto bad;
pr_cont("P:%016lx ", *table);
out:
pr_cont("\n");
return;
bad:
pr_cont("BAD\n");
}
#else /* CONFIG_64BIT */
static void dump_pagetable(unsigned long asce, unsigned long address)
{
unsigned long *table = __va(asce & PAGE_MASK);
pr_alert("AS:%08lx ", asce);
table = table + ((address >> 20) & 0x7ff);
if (bad_address(table))
goto bad;
pr_cont("S:%08lx ", *table);
if (*table & _SEGMENT_ENTRY_INVALID)
goto out;
table = (unsigned long *)(*table & _SEGMENT_ENTRY_ORIGIN);
table = table + ((address >> 12) & 0xff);
if (bad_address(table))
goto bad;
pr_cont("P:%08lx ", *table);
out:
pr_cont("\n");
return;
bad:
pr_cont("BAD\n");
}
#endif /* CONFIG_64BIT */
static void dump_fault_info(struct pt_regs *regs)
{
unsigned long asce;
pr_alert("Fault in ");
switch (regs->int_parm_long & 3) {
case 3:
pr_cont("home space ");
break;
case 2:
pr_cont("secondary space ");
break;
case 1:
pr_cont("access register ");
break;
case 0:
pr_cont("primary space ");
break;
}
pr_cont("mode while using ");
if (!user_space_fault(regs)) {
asce = S390_lowcore.kernel_asce;
pr_cont("kernel ");
}
#ifdef CONFIG_PGSTE
else if ((current->flags & PF_VCPU) && S390_lowcore.gmap) {
struct gmap *gmap = (struct gmap *)S390_lowcore.gmap;
asce = gmap->asce;
pr_cont("gmap ");
}
#endif
else {
asce = S390_lowcore.user_asce;
pr_cont("user ");
}
pr_cont("ASCE.\n");
dump_pagetable(asce, regs->int_parm_long & __FAIL_ADDR_MASK);
}
static inline void report_user_fault(struct pt_regs *regs, long signr)
{
if ((task_pid_nr(current) > 1) && !show_unhandled_signals)
@ -138,8 +265,9 @@ static inline void report_user_fault(struct pt_regs *regs, long signr)
regs->int_code);
print_vma_addr(KERN_CONT "in ", regs->psw.addr & PSW_ADDR_INSN);
printk(KERN_CONT "\n");
printk(KERN_ALERT "failing address: %lX\n",
regs->int_parm_long & __FAIL_ADDR_MASK);
printk(KERN_ALERT "failing address: %016lx TEID: %016lx\n",
regs->int_parm_long & __FAIL_ADDR_MASK, regs->int_parm_long);
dump_fault_info(regs);
show_regs(regs);
}
@ -177,11 +305,13 @@ static noinline void do_no_context(struct pt_regs *regs)
address = regs->int_parm_long & __FAIL_ADDR_MASK;
if (!user_space_fault(regs))
printk(KERN_ALERT "Unable to handle kernel pointer dereference"
" at virtual kernel address %p\n", (void *)address);
" in virtual kernel address space\n");
else
printk(KERN_ALERT "Unable to handle kernel paging request"
" at virtual user address %p\n", (void *)address);
" in virtual user address space\n");
printk(KERN_ALERT "failing address: %016lx TEID: %016lx\n",
regs->int_parm_long & __FAIL_ADDR_MASK, regs->int_parm_long);
dump_fault_info(regs);
die(regs, "Oops");
do_exit(SIGKILL);
}

4
arch/x86/Makefile
View File

@ -250,8 +250,8 @@ archclean:
PHONY += kvmconfig
kvmconfig:
$(if $(wildcard $(objtree)/.config),, $(error You need an existing .config for this target))
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config arch/x86/configs/kvm_guest.config
$(Q)yes "" | $(MAKE) oldconfig
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config $(srctree)/arch/x86/configs/kvm_guest.config
$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
define archhelp
echo '* bzImage - Compressed kernel image (arch/x86/boot/bzImage)'

2
arch/x86/include/asm/kvm_host.h
View File

@ -60,7 +60,7 @@
| X86_CR4_PSE | X86_CR4_PAE | X86_CR4_MCE \
| X86_CR4_PGE | X86_CR4_PCE | X86_CR4_OSFXSR | X86_CR4_PCIDE \
| X86_CR4_OSXSAVE | X86_CR4_SMEP | X86_CR4_FSGSBASE \
| X86_CR4_OSXMMEXCPT | X86_CR4_VMXE))
| X86_CR4_OSXMMEXCPT | X86_CR4_VMXE | X86_CR4_SMAP))
#define CR8_RESERVED_BITS (~(unsigned long)X86_CR8_TPR)

12
arch/x86/kernel/cpu/perf_event_intel_rapl.c
View File

@ -535,6 +535,7 @@ static int rapl_cpu_prepare(int cpu)
struct rapl_pmu *pmu = per_cpu(rapl_pmu, cpu);
int phys_id = topology_physical_package_id(cpu);
u64 ms;
u64 msr_rapl_power_unit_bits;
if (pmu)
return 0;
@ -542,6 +543,9 @@ static int rapl_cpu_prepare(int cpu)
if (phys_id < 0)
return -1;
if (!rdmsrl_safe(MSR_RAPL_POWER_UNIT, &msr_rapl_power_unit_bits))
return -1;
pmu = kzalloc_node(sizeof(*pmu), GFP_KERNEL, cpu_to_node(cpu));
if (!pmu)
return -1;
@ -555,8 +559,7 @@ static int rapl_cpu_prepare(int cpu)
*
* we cache in local PMU instance
*/
rdmsrl(MSR_RAPL_POWER_UNIT, pmu->hw_unit);
pmu->hw_unit = (pmu->hw_unit >> 8) & 0x1FULL;
pmu->hw_unit = (msr_rapl_power_unit_bits >> 8) & 0x1FULL;
pmu->pmu = &rapl_pmu_class;
/*
@ -677,7 +680,9 @@ static int __init rapl_pmu_init(void)
cpu_notifier_register_begin();
for_each_online_cpu(cpu) {
rapl_cpu_prepare(cpu);
ret = rapl_cpu_prepare(cpu);
if (ret)
goto out;
rapl_cpu_init(cpu);
}
@ -700,6 +705,7 @@ static int __init rapl_pmu_init(void)
hweight32(rapl_cntr_mask),
ktime_to_ms(pmu->timer_interval));
out:
cpu_notifier_register_done();
return 0;

2
arch/x86/kernel/early-quirks.c
View File

@ -240,7 +240,7 @@ static u32 __init intel_stolen_base(int num, int slot, int func, size_t stolen_s
return base;
}
#define KB(x) ((x) * 1024)
#define KB(x) ((x) * 1024UL)
#define MB(x) (KB (KB (x)))
#define GB(x) (MB (KB (x)))

16
arch/x86/kernel/kprobes/core.c
View File

@ -897,9 +897,10 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
struct kprobe *cur = kprobe_running();
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
switch (kcb->kprobe_status) {
case KPROBE_HIT_SS:
case KPROBE_REENTER:
if (unlikely(regs->ip == (unsigned long)cur->ainsn.insn)) {
/* This must happen on single-stepping */
WARN_ON(kcb->kprobe_status != KPROBE_HIT_SS &&
kcb->kprobe_status != KPROBE_REENTER);
/*
* We are here because the instruction being single
* stepped caused a page fault. We reset the current
@ -914,9 +915,8 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
else
reset_current_kprobe();
preempt_enable_no_resched();
break;
case KPROBE_HIT_ACTIVE:
case KPROBE_HIT_SSDONE:
} else if (kcb->kprobe_status == KPROBE_HIT_ACTIVE ||
kcb->kprobe_status == KPROBE_HIT_SSDONE) {
/*
* We increment the nmissed count for accounting,
* we can also use npre/npostfault count for accounting
@ -945,10 +945,8 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
* fixup routine could not handle it,
* Let do_page_fault() fix it.
*/
break;
default:
break;
}
return 0;
}

72
arch/x86/kernel/reboot.c
View File

@ -114,8 +114,8 @@ EXPORT_SYMBOL(machine_real_restart);
*/
static int __init set_pci_reboot(const struct dmi_system_id *d)
{
if (reboot_type != BOOT_CF9) {
reboot_type = BOOT_CF9;
if (reboot_type != BOOT_CF9_FORCE) {
reboot_type = BOOT_CF9_FORCE;
pr_info("%s series board detected. Selecting %s-method for reboots.\n",
d->ident, "PCI");
}
@ -458,20 +458,23 @@ void __attribute__((weak)) mach_reboot_fixups(void)
}
/*
* Windows compatible x86 hardware expects the following on reboot:
* To the best of our knowledge Windows compatible x86 hardware expects
* the following on reboot:
*
* 1) If the FADT has the ACPI reboot register flag set, try it
* 2) If still alive, write to the keyboard controller
* 3) If still alive, write to the ACPI reboot register again
* 4) If still alive, write to the keyboard controller again
* 5) If still alive, call the EFI runtime service to reboot
* 6) If still alive, write to the PCI IO port 0xCF9 to reboot
* 7) If still alive, inform BIOS to do a proper reboot
* 6) If no EFI runtime service, call the BIOS to do a reboot
*
* If the machine is still alive at this stage, it gives up. We default to
* following the same pattern, except that if we're still alive after (7) we'll
* try to force a triple fault and then cycle between hitting the keyboard
* controller and doing that
* We default to following the same pattern. We also have
* two other reboot methods: 'triple fault' and 'PCI', which
* can be triggered via the reboot= kernel boot option or
* via quirks.
*
* This means that this function can never return, it can misbehave
* by not rebooting properly and hanging.
*/
static void native_machine_emergency_restart(void)
{
@ -492,6 +495,11 @@ static void native_machine_emergency_restart(void)
for (;;) {
/* Could also try the reset bit in the Hammer NB */
switch (reboot_type) {
case BOOT_ACPI:
acpi_reboot();
reboot_type = BOOT_KBD;
break;
case BOOT_KBD:
mach_reboot_fixups(); /* For board specific fixups */
@ -509,43 +517,29 @@ static void native_machine_emergency_restart(void)
}
break;
case BOOT_TRIPLE:
load_idt(&no_idt);
__asm__ __volatile__("int3");
/* We're probably dead after this, but... */
reboot_type = BOOT_KBD;
break;
case BOOT_BIOS:
machine_real_restart(MRR_BIOS);
/* We're probably dead after this, but... */
reboot_type = BOOT_TRIPLE;
break;
case BOOT_ACPI:
acpi_reboot();
reboot_type = BOOT_KBD;
break;
case BOOT_EFI:
if (efi_enabled(EFI_RUNTIME_SERVICES))
efi.reset_system(reboot_mode == REBOOT_WARM ?
EFI_RESET_WARM :
EFI_RESET_COLD,
EFI_SUCCESS, 0, NULL);
reboot_type = BOOT_CF9_COND;
reboot_type = BOOT_BIOS;
break;
case BOOT_CF9:
case BOOT_BIOS:
machine_real_restart(MRR_BIOS);
/* We're probably dead after this, but... */
reboot_type = BOOT_CF9_SAFE;
break;
case BOOT_CF9_FORCE:
port_cf9_safe = true;
/* Fall through */
case BOOT_CF9_COND:
case BOOT_CF9_SAFE:
if (port_cf9_safe) {
u8 reboot_code = reboot_mode == REBOOT_WARM ?
0x06 : 0x0E;
u8 reboot_code = reboot_mode == REBOOT_WARM ? 0x06 : 0x0E;
u8 cf9 = inb(0xcf9) & ~reboot_code;
outb(cf9|2, 0xcf9); /* Request hard reset */
udelay(50);
@ -553,7 +547,15 @@ static void native_machine_emergency_restart(void)
outb(cf9|reboot_code, 0xcf9);
udelay(50);
}
reboot_type = BOOT_BIOS;
reboot_type = BOOT_TRIPLE;
break;
case BOOT_TRIPLE:
load_idt(&no_idt);
__asm__ __volatile__("int3");
/* We're probably dead after this, but... */
reboot_type = BOOT_KBD;
break;
}
}

2
arch/x86/kvm/cpuid.c
View File

@ -308,7 +308,7 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
const u32 kvm_supported_word9_x86_features =
F(FSGSBASE) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) |
F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | f_mpx | F(RDSEED) |
F(ADX);
F(ADX) | F(SMAP);
/* all calls to cpuid_count() should be made on the same cpu */
get_cpu();

8
arch/x86/kvm/cpuid.h
View File

@ -48,6 +48,14 @@ static inline bool guest_cpuid_has_smep(struct kvm_vcpu *vcpu)
return best && (best->ebx & bit(X86_FEATURE_SMEP));
}
static inline bool guest_cpuid_has_smap(struct kvm_vcpu *vcpu)
{
struct kvm_cpuid_entry2 *best;
best = kvm_find_cpuid_entry(vcpu, 7, 0);
return best && (best->ebx & bit(X86_FEATURE_SMAP));
}
static inline bool guest_cpuid_has_fsgsbase(struct kvm_vcpu *vcpu)
{
struct kvm_cpuid_entry2 *best;

38
arch/x86/kvm/mmu.c
View File

@ -3601,20 +3601,27 @@ static void reset_rsvds_bits_mask_ept(struct kvm_vcpu *vcpu,
}
}
static void update_permission_bitmask(struct kvm_vcpu *vcpu,
void update_permission_bitmask(struct kvm_vcpu *vcpu,
struct kvm_mmu *mmu, bool ept)
{
unsigned bit, byte, pfec;
u8 map;
bool fault, x, w, u, wf, uf, ff, smep;
bool fault, x, w, u, wf, uf, ff, smapf, cr4_smap, cr4_smep, smap = 0;
smep = kvm_read_cr4_bits(vcpu, X86_CR4_SMEP);
cr4_smep = kvm_read_cr4_bits(vcpu, X86_CR4_SMEP);
cr4_smap = kvm_read_cr4_bits(vcpu, X86_CR4_SMAP);
for (byte = 0; byte < ARRAY_SIZE(mmu->permissions); ++byte) {
pfec = byte << 1;
map = 0;
wf = pfec & PFERR_WRITE_MASK;
uf = pfec & PFERR_USER_MASK;
ff = pfec & PFERR_FETCH_MASK;
/*
* PFERR_RSVD_MASK bit is set in PFEC if the access is not
* subject to SMAP restrictions, and cleared otherwise. The
* bit is only meaningful if the SMAP bit is set in CR4.
*/
smapf = !(pfec & PFERR_RSVD_MASK);
for (bit = 0; bit < 8; ++bit) {
x = bit & ACC_EXEC_MASK;
w = bit & ACC_WRITE_MASK;
@ -3626,12 +3633,33 @@ static void update_permission_bitmask(struct kvm_vcpu *vcpu,
/* Allow supervisor writes if !cr0.wp */
w |= !is_write_protection(vcpu) && !uf;
/* Disallow supervisor fetches of user code if cr4.smep */
x &= !(smep && u && !uf);
x &= !(cr4_smep && u && !uf);
/*
* SMAP:kernel-mode data accesses from user-mode
* mappings should fault. A fault is considered
* as a SMAP violation if all of the following
* conditions are ture:
* - X86_CR4_SMAP is set in CR4
* - An user page is accessed
* - Page fault in kernel mode
* - if CPL = 3 or X86_EFLAGS_AC is clear
*
* Here, we cover the first three conditions.
* The fourth is computed dynamically in
* permission_fault() and is in smapf.
*
* Also, SMAP does not affect instruction
* fetches, add the !ff check here to make it
* clearer.
*/
smap = cr4_smap && u && !uf && !ff;
} else
/* Not really needed: no U/S accesses on ept */
u = 1;
fault = (ff && !x) || (uf && !u) || (wf && !w);
fault = (ff && !x) || (uf && !u) || (wf && !w) ||
(smapf && smap);
map |= fault << bit;
}
mmu->permissions[byte] = map;

44
arch/x86/kvm/mmu.h
View File

@ -44,11 +44,17 @@
#define PT_DIRECTORY_LEVEL 2
#define PT_PAGE_TABLE_LEVEL 1
#define PFERR_PRESENT_MASK (1U << 0)
#define PFERR_WRITE_MASK (1U << 1)
#define PFERR_USER_MASK (1U << 2)
#define PFERR_RSVD_MASK (1U << 3)
#define PFERR_FETCH_MASK (1U << 4)
#define PFERR_PRESENT_BIT 0
#define PFERR_WRITE_BIT 1
#define PFERR_USER_BIT 2
#define PFERR_RSVD_BIT 3
#define PFERR_FETCH_BIT 4
#define PFERR_PRESENT_MASK (1U << PFERR_PRESENT_BIT)
#define PFERR_WRITE_MASK (1U << PFERR_WRITE_BIT)
#define PFERR_USER_MASK (1U << PFERR_USER_BIT)
#define PFERR_RSVD_MASK (1U << PFERR_RSVD_BIT)
#define PFERR_FETCH_MASK (1U << PFERR_FETCH_BIT)
int kvm_mmu_get_spte_hierarchy(struct kvm_vcpu *vcpu, u64 addr, u64 sptes[4]);
void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask);
@ -73,6 +79,8 @@ int handle_mmio_page_fault_common(struct kvm_vcpu *vcpu, u64 addr, bool direct);
void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *context);
void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *context,
bool execonly);
void update_permission_bitmask(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
bool ept);
static inline unsigned int kvm_mmu_available_pages(struct kvm *kvm)
{
@ -110,10 +118,30 @@ static inline bool is_write_protection(struct kvm_vcpu *vcpu)
* Will a fault with a given page-fault error code (pfec) cause a permission
* fault with the given access (in ACC_* format)?
*/
static inline bool permission_fault(struct kvm_mmu *mmu, unsigned pte_access,
unsigned pfec)
static inline bool permission_fault(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
unsigned pte_access, unsigned pfec)
{
return (mmu->permissions[pfec >> 1] >> pte_access) & 1;
int cpl = kvm_x86_ops->get_cpl(vcpu);
unsigned long rflags = kvm_x86_ops->get_rflags(vcpu);
/*
* If CPL < 3, SMAP prevention are disabled if EFLAGS.AC = 1.
*
* If CPL = 3, SMAP applies to all supervisor-mode data accesses
* (these are implicit supervisor accesses) regardless of the value
* of EFLAGS.AC.
*
* This computes (cpl < 3) && (rflags & X86_EFLAGS_AC), leaving
* the result in X86_EFLAGS_AC. We then insert it in place of
* the PFERR_RSVD_MASK bit; this bit will always be zero in pfec,
* but it will be one in index if SMAP checks are being overridden.
* It is important to keep this branchless.
*/
unsigned long smap = (cpl - 3) & (rflags & X86_EFLAGS_AC);
int index = (pfec >> 1) +
(smap >> (X86_EFLAGS_AC_BIT - PFERR_RSVD_BIT + 1));
return (mmu->permissions[index] >> pte_access) & 1;
}
void kvm_mmu_invalidate_zap_all_pages(struct kvm *kvm);

2
arch/x86/kvm/paging_tmpl.h
View File

@ -353,7 +353,7 @@ retry_walk:
walker->ptes[walker->level - 1] = pte;
} while (!is_last_gpte(mmu, walker->level, pte));
if (unlikely(permission_fault(mmu, pte_access, access))) {
if (unlikely(permission_fault(vcpu, mmu, pte_access, access))) {
errcode |= PFERR_PRESENT_MASK;
goto error;
}

11
arch/x86/kvm/vmx.c
View File

@ -3484,13 +3484,14 @@ static int vmx_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
hw_cr4 &= ~X86_CR4_PAE;
hw_cr4 |= X86_CR4_PSE;
/*
* SMEP is disabled if CPU is in non-paging mode in
* hardware. However KVM always uses paging mode to
* SMEP/SMAP is disabled if CPU is in non-paging mode
* in hardware. However KVM always uses paging mode to
* emulate guest non-paging mode with TDP.
* To emulate this behavior, SMEP needs to be manually
* disabled when guest switches to non-paging mode.
* To emulate this behavior, SMEP/SMAP needs to be
* manually disabled when guest switches to non-paging
* mode.
*/
hw_cr4 &= ~X86_CR4_SMEP;
hw_cr4 &= ~(X86_CR4_SMEP | X86_CR4_SMAP);
} else if (!(cr4 & X86_CR4_PAE)) {
hw_cr4 &= ~X86_CR4_PAE;
}

10
arch/x86/kvm/x86.c
View File

@ -652,6 +652,9 @@ int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
if (!guest_cpuid_has_smep(vcpu) && (cr4 & X86_CR4_SMEP))
return 1;
if (!guest_cpuid_has_smap(vcpu) && (cr4 & X86_CR4_SMAP))
return 1;
if (!guest_cpuid_has_fsgsbase(vcpu) && (cr4 & X86_CR4_FSGSBASE))
return 1;
@ -680,6 +683,9 @@ int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
(!(cr4 & X86_CR4_PCIDE) && (old_cr4 & X86_CR4_PCIDE)))
kvm_mmu_reset_context(vcpu);
if ((cr4 ^ old_cr4) & X86_CR4_SMAP)
update_permission_bitmask(vcpu, vcpu->arch.walk_mmu, false);
if ((cr4 ^ old_cr4) & X86_CR4_OSXSAVE)
kvm_update_cpuid(vcpu);
@ -1117,7 +1123,6 @@ static inline u64 get_kernel_ns(void)
{
struct timespec ts;
WARN_ON(preemptible());
ktime_get_ts(&ts);
monotonic_to_bootbased(&ts);
return timespec_to_ns(&ts);
@ -4164,7 +4169,8 @@ static int vcpu_mmio_gva_to_gpa(struct kvm_vcpu *vcpu, unsigned long gva,
| (write ? PFERR_WRITE_MASK : 0);
if (vcpu_match_mmio_gva(vcpu, gva)
&& !permission_fault(vcpu->arch.walk_mmu, vcpu->arch.access, access)) {
&& !permission_fault(vcpu, vcpu->arch.walk_mmu,
vcpu->arch.access, access)) {
*gpa = vcpu->arch.mmio_gfn << PAGE_SHIFT |
(gva & (PAGE_SIZE - 1));
trace_vcpu_match_mmio(gva, *gpa, write, false);

2
arch/x86/syscalls/Makefile
View File

@ -54,5 +54,7 @@ syshdr-$(CONFIG_X86_64) += syscalls_64.h
targets += $(uapisyshdr-y) $(syshdr-y)
PHONY += all
all: $(addprefix $(uapi)/,$(uapisyshdr-y))
all: $(addprefix $(out)/,$(syshdr-y))
@:

1
arch/x86/syscalls/syscall_32.tbl
View File

@ -359,3 +359,4 @@
350 i386 finit_module sys_finit_module
351 i386 sched_setattr sys_sched_setattr
352 i386 sched_getattr sys_sched_getattr
353 i386 renameat2 sys_renameat2

2
arch/x86/tools/Makefile
View File

@ -40,4 +40,6 @@ $(obj)/insn_sanity.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/ina
HOST_EXTRACFLAGS += -I$(srctree)/tools/include
hostprogs-y += relocs
relocs-objs := relocs_32.o relocs_64.o relocs_common.o
PHONY += relocs
relocs: $(obj)/relocs
@:

10
drivers/char/hw_random/bcm2835-rng.c
View File

@ -61,18 +61,18 @@ static int bcm2835_rng_probe(struct platform_device *pdev)
}
bcm2835_rng_ops.priv = (unsigned long)rng_base;
/* set warm-up count & enable */
__raw_writel(RNG_WARMUP_COUNT, rng_base + RNG_STATUS);
__raw_writel(RNG_RBGEN, rng_base + RNG_CTRL);
/* register driver */
err = hwrng_register(&bcm2835_rng_ops);
if (err) {
dev_err(dev, "hwrng registration failed\n");
iounmap(rng_base);
} else {
} else
dev_info(dev, "hwrng registered\n");
/* set warm-up count & enable */
__raw_writel(RNG_WARMUP_COUNT, rng_base + RNG_STATUS);
__raw_writel(RNG_RBGEN, rng_base + RNG_CTRL);
}
return err;
}

6
drivers/irqchip/irq-vic.c
View File

@ -24,6 +24,7 @@
#include <linux/list.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/irqchip/chained_irq.h>
#include <linux/irqdomain.h>
#include <linux/of.h>
#include <linux/of_address.h>
@ -228,12 +229,17 @@ static int handle_one_vic(struct vic_device *vic, struct pt_regs *regs)
static void vic_handle_irq_cascaded(unsigned int irq, struct irq_desc *desc)
{
u32 stat, hwirq;
struct irq_chip *host_chip = irq_desc_get_chip(desc);
struct vic_device *vic = irq_desc_get_handler_data(desc);
chained_irq_enter(host_chip, desc);
while ((stat = readl_relaxed(vic->base + VIC_IRQ_STATUS))) {
hwirq = ffs(stat) - 1;
generic_handle_irq(irq_find_mapping(vic->domain, hwirq));
}
chained_irq_exit(host_chip, desc);
}
/*

2
drivers/net/ethernet/broadcom/bnx2.c
View File

@ -8627,6 +8627,7 @@ bnx2_remove_one(struct pci_dev *pdev)
pci_disable_device(pdev);
}
#ifdef CONFIG_PM_SLEEP
static int
bnx2_suspend(struct device *device)
{
@ -8665,7 +8666,6 @@ bnx2_resume(struct device *device)
return 0;
}
#ifdef CONFIG_PM_SLEEP
static SIMPLE_DEV_PM_OPS(bnx2_pm_ops, bnx2_suspend, bnx2_resume);
#define BNX2_PM_OPS (&bnx2_pm_ops)

6
drivers/net/ethernet/cadence/Kconfig
View File

@ -4,7 +4,7 @@
config NET_CADENCE
bool "Cadence devices"
depends on HAS_IOMEM
depends on HAS_IOMEM && (ARM || AVR32 || COMPILE_TEST)
default y
---help---
If you have a network (Ethernet) card belonging to this class, say Y.
@ -22,7 +22,7 @@ if NET_CADENCE
config ARM_AT91_ETHER
tristate "AT91RM9200 Ethernet support"
depends on HAS_DMA
depends on HAS_DMA && (ARCH_AT91RM9200 || COMPILE_TEST)
select MACB
---help---
If you wish to compile a kernel for the AT91RM9200 and enable
@ -30,7 +30,7 @@ config ARM_AT91_ETHER
config MACB
tristate "Cadence MACB/GEM support"
depends on HAS_DMA
depends on HAS_DMA && (PLATFORM_AT32AP || ARCH_AT91 || ARCH_PICOXCELL || ARCH_ZYNQ || COMPILE_TEST)
select PHYLIB
---help---
The Cadence MACB ethernet interface is found on many Atmel AT32 and

4
drivers/net/ethernet/chelsio/cxgb4/l2t.c
View File

@ -154,7 +154,7 @@ static int write_l2e(struct adapter *adap, struct l2t_entry *e, int sync)
req->params = htons(L2T_W_PORT(e->lport) | L2T_W_NOREPLY(!sync));
req->l2t_idx = htons(e->idx);
req->vlan = htons(e->vlan);
if (e->neigh)
if (e->neigh && !(e->neigh->dev->flags & IFF_LOOPBACK))
memcpy(e->dmac, e->neigh->ha, sizeof(e->dmac));
memcpy(req->dst_mac, e->dmac, sizeof(req->dst_mac));
@ -394,6 +394,8 @@ struct l2t_entry *cxgb4_l2t_get(struct l2t_data *d, struct neighbour *neigh,
if (e) {
spin_lock(&e->lock); /* avoid race with t4_l2t_free */
e->state = L2T_STATE_RESOLVING;
if (neigh->dev->flags & IFF_LOOPBACK)
memcpy(e->dmac, physdev->dev_addr, sizeof(e->dmac));
memcpy(e->addr, addr, addr_len);
e->ifindex = ifidx;
e->hash = hash;

2
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
View File

@ -682,7 +682,7 @@ enum {
SF_RD_ID = 0x9f, /* read ID */
SF_ERASE_SECTOR = 0xd8, /* erase sector */
FW_MAX_SIZE = 512 * 1024,
FW_MAX_SIZE = 16 * SF_SEC_SIZE,
};
/**

1
drivers/net/ethernet/emulex/benet/be.h
View File

@ -374,6 +374,7 @@ enum vf_state {
#define BE_FLAGS_NAPI_ENABLED (1 << 9)
#define BE_FLAGS_QNQ_ASYNC_EVT_RCVD (1 << 11)
#define BE_FLAGS_VXLAN_OFFLOADS (1 << 12)
#define BE_FLAGS_SETUP_DONE (1 << 13)
#define BE_UC_PMAC_COUNT 30
#define BE_VF_UC_PMAC_COUNT 2

17
drivers/net/ethernet/emulex/benet/be_main.c
View File

@ -2033,11 +2033,13 @@ static void be_tx_compl_clean(struct be_adapter *adapter)
bool dummy_wrb;
int i, pending_txqs;
/* Wait for a max of 200ms for all the tx-completions to arrive. */
/* Stop polling for compls when HW has been silent for 10ms */
do {
pending_txqs = adapter->num_tx_qs;
for_all_tx_queues(adapter, txo, i) {
cmpl = 0;
num_wrbs = 0;
txq = &txo->q;
while ((txcp = be_tx_compl_get(&txo->cq))) {
end_idx =
@ -2050,14 +2052,13 @@ static void be_tx_compl_clean(struct be_adapter *adapter)
if (cmpl) {
be_cq_notify(adapter, txo->cq.id, false, cmpl);
atomic_sub(num_wrbs, &txq->used);
cmpl = 0;
num_wrbs = 0;
timeo = 0;
}
if (atomic_read(&txq->used) == 0)
pending_txqs--;
}
if (pending_txqs == 0 || ++timeo > 200)
if (pending_txqs == 0 || ++timeo > 10 || be_hw_error(adapter))
break;
mdelay(1);
@ -2725,6 +2726,12 @@ static int be_close(struct net_device *netdev)
struct be_eq_obj *eqo;
int i;
/* This protection is needed as be_close() may be called even when the
* adapter is in cleared state (after eeh perm failure)
*/
if (!(adapter->flags & BE_FLAGS_SETUP_DONE))
return 0;
be_roce_dev_close(adapter);
if (adapter->flags & BE_FLAGS_NAPI_ENABLED) {
@ -3055,6 +3062,7 @@ static int be_clear(struct be_adapter *adapter)
be_clear_queues(adapter);
be_msix_disable(adapter);
adapter->flags &= ~BE_FLAGS_SETUP_DONE;
return 0;
}
@ -3559,6 +3567,7 @@ static int be_setup(struct be_adapter *adapter)
adapter->phy.fc_autoneg = 1;
be_schedule_worker(adapter);
adapter->flags |= BE_FLAGS_SETUP_DONE;
return 0;
err:
be_clear(adapter);

41
drivers/net/ethernet/marvell/mvneta.c
View File

@ -89,9 +89,8 @@
#define MVNETA_TX_IN_PRGRS BIT(1)
#define MVNETA_TX_FIFO_EMPTY BIT(8)
#define MVNETA_RX_MIN_FRAME_SIZE 0x247c
#define MVNETA_SERDES_CFG 0x24A0
#define MVNETA_SGMII_SERDES_CFG 0x24A0
#define MVNETA_SGMII_SERDES_PROTO 0x0cc7
#define MVNETA_RGMII_SERDES_PROTO 0x0667
#define MVNETA_TYPE_PRIO 0x24bc
#define MVNETA_FORCE_UNI BIT(21)
#define MVNETA_TXQ_CMD_1 0x24e4
@ -712,6 +711,35 @@ static void mvneta_rxq_bm_disable(struct mvneta_port *pp,
mvreg_write(pp, MVNETA_RXQ_CONFIG_REG(rxq->id), val);
}
/* Sets the RGMII Enable bit (RGMIIEn) in port MAC control register */
static void mvneta_gmac_rgmii_set(struct mvneta_port *pp, int enable)
{
u32 val;
val = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
if (enable)
val |= MVNETA_GMAC2_PORT_RGMII;
else
val &= ~MVNETA_GMAC2_PORT_RGMII;
mvreg_write(pp, MVNETA_GMAC_CTRL_2, val);
}
/* Config SGMII port */
static void mvneta_port_sgmii_config(struct mvneta_port *pp)
{
u32 val;
val = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
val |= MVNETA_GMAC2_PCS_ENABLE;
mvreg_write(pp, MVNETA_GMAC_CTRL_2, val);
mvreg_write(pp, MVNETA_SGMII_SERDES_CFG, MVNETA_SGMII_SERDES_PROTO);
}
/* Start the Ethernet port RX and TX activity */
static void mvneta_port_up(struct mvneta_port *pp)
{
@ -2729,15 +2757,12 @@ static void mvneta_port_power_up(struct mvneta_port *pp, int phy_mode)
mvreg_write(pp, MVNETA_UNIT_INTR_CAUSE, 0);
if (phy_mode == PHY_INTERFACE_MODE_SGMII)
mvreg_write(pp, MVNETA_SERDES_CFG, MVNETA_SGMII_SERDES_PROTO);
else
mvreg_write(pp, MVNETA_SERDES_CFG, MVNETA_RGMII_SERDES_PROTO);
mvneta_port_sgmii_config(pp);
val = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
val |= MVNETA_GMAC2_PCS_ENABLE | MVNETA_GMAC2_PORT_RGMII;
mvneta_gmac_rgmii_set(pp, 1);
/* Cancel Port Reset */
val = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
val &= ~MVNETA_GMAC2_PORT_RESET;
mvreg_write(pp, MVNETA_GMAC_CTRL_2, val);

195
drivers/net/ethernet/mellanox/mlx4/main.c
View File

@ -2301,13 +2301,8 @@ static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data)
/* Allow large DMA segments, up to the firmware limit of 1 GB */
dma_set_max_seg_size(&pdev->dev, 1024 * 1024 * 1024);
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv) {
err = -ENOMEM;
goto err_release_regions;
}
dev = &priv->dev;
dev = pci_get_drvdata(pdev);
priv = mlx4_priv(dev);
dev->pdev = pdev;
INIT_LIST_HEAD(&priv->ctx_list);
spin_lock_init(&priv->ctx_lock);
@ -2374,10 +2369,10 @@ static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data)
} else {
atomic_inc(&pf_loading);
err = pci_enable_sriov(pdev, total_vfs);
atomic_dec(&pf_loading);
if (err) {
mlx4_err(dev, "Failed to enable SR-IOV, continuing without SR-IOV (err = %d).\n",
err);
atomic_dec(&pf_loading);
err = 0;
} else {
mlx4_warn(dev, "Running in master mode\n");
@ -2535,8 +2530,10 @@ slave_start:
mlx4_sense_init(dev);
mlx4_start_sense(dev);
priv->pci_dev_data = pci_dev_data;
pci_set_drvdata(pdev, dev);
priv->removed = 0;
if (mlx4_is_master(dev) && dev->num_vfs)
atomic_dec(&pf_loading);
return 0;
@ -2588,6 +2585,9 @@ err_rel_own:
if (!mlx4_is_slave(dev))
mlx4_free_ownership(dev);
if (mlx4_is_master(dev) && dev->num_vfs)
atomic_dec(&pf_loading);
kfree(priv->dev.dev_vfs);
err_free_dev:
@ -2604,85 +2604,110 @@ err_disable_pdev:
static int mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct mlx4_priv *priv;
struct mlx4_dev *dev;
printk_once(KERN_INFO "%s", mlx4_version);
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
dev = &priv->dev;
pci_set_drvdata(pdev, dev);
priv->pci_dev_data = id->driver_data;
return __mlx4_init_one(pdev, id->driver_data);
}
static void __mlx4_remove_one(struct pci_dev *pdev)
{
struct mlx4_dev *dev = pci_get_drvdata(pdev);
struct mlx4_priv *priv = mlx4_priv(dev);
int pci_dev_data;
int p;
if (priv->removed)
return;
pci_dev_data = priv->pci_dev_data;
/* in SRIOV it is not allowed to unload the pf's
* driver while there are alive vf's */
if (mlx4_is_master(dev) && mlx4_how_many_lives_vf(dev))
printk(KERN_ERR "Removing PF when there are assigned VF's !!!\n");
mlx4_stop_sense(dev);
mlx4_unregister_device(dev);
for (p = 1; p <= dev->caps.num_ports; p++) {
mlx4_cleanup_port_info(&priv->port[p]);
mlx4_CLOSE_PORT(dev, p);
}
if (mlx4_is_master(dev))
mlx4_free_resource_tracker(dev,
RES_TR_FREE_SLAVES_ONLY);
mlx4_cleanup_counters_table(dev);
mlx4_cleanup_qp_table(dev);
mlx4_cleanup_srq_table(dev);
mlx4_cleanup_cq_table(dev);
mlx4_cmd_use_polling(dev);
mlx4_cleanup_eq_table(dev);
mlx4_cleanup_mcg_table(dev);
mlx4_cleanup_mr_table(dev);
mlx4_cleanup_xrcd_table(dev);
mlx4_cleanup_pd_table(dev);
if (mlx4_is_master(dev))
mlx4_free_resource_tracker(dev,
RES_TR_FREE_STRUCTS_ONLY);
iounmap(priv->kar);
mlx4_uar_free(dev, &priv->driver_uar);
mlx4_cleanup_uar_table(dev);
if (!mlx4_is_slave(dev))
mlx4_clear_steering(dev);
mlx4_free_eq_table(dev);
if (mlx4_is_master(dev))
mlx4_multi_func_cleanup(dev);
mlx4_close_hca(dev);
if (mlx4_is_slave(dev))
mlx4_multi_func_cleanup(dev);
mlx4_cmd_cleanup(dev);
if (dev->flags & MLX4_FLAG_MSI_X)
pci_disable_msix(pdev);
if (dev->flags & MLX4_FLAG_SRIOV) {
mlx4_warn(dev, "Disabling SR-IOV\n");
pci_disable_sriov(pdev);
dev->num_vfs = 0;
}
if (!mlx4_is_slave(dev))
mlx4_free_ownership(dev);
kfree(dev->caps.qp0_tunnel);
kfree(dev->caps.qp0_proxy);
kfree(dev->caps.qp1_tunnel);
kfree(dev->caps.qp1_proxy);
kfree(dev->dev_vfs);
pci_release_regions(pdev);
pci_disable_device(pdev);
memset(priv, 0, sizeof(*priv));
priv->pci_dev_data = pci_dev_data;
priv->removed = 1;
}
static void mlx4_remove_one(struct pci_dev *pdev)
{
struct mlx4_dev *dev = pci_get_drvdata(pdev);
struct mlx4_priv *priv = mlx4_priv(dev);
int p;
if (dev) {
/* in SRIOV it is not allowed to unload the pf's
* driver while there are alive vf's */
if (mlx4_is_master(dev)) {
if (mlx4_how_many_lives_vf(dev))
printk(KERN_ERR "Removing PF when there are assigned VF's !!!\n");
}
mlx4_stop_sense(dev);
mlx4_unregister_device(dev);
for (p = 1; p <= dev->caps.num_ports; p++) {
mlx4_cleanup_port_info(&priv->port[p]);
mlx4_CLOSE_PORT(dev, p);
}
if (mlx4_is_master(dev))
mlx4_free_resource_tracker(dev,
RES_TR_FREE_SLAVES_ONLY);
mlx4_cleanup_counters_table(dev);
mlx4_cleanup_qp_table(dev);
mlx4_cleanup_srq_table(dev);
mlx4_cleanup_cq_table(dev);
mlx4_cmd_use_polling(dev);
mlx4_cleanup_eq_table(dev);
mlx4_cleanup_mcg_table(dev);
mlx4_cleanup_mr_table(dev);
mlx4_cleanup_xrcd_table(dev);
mlx4_cleanup_pd_table(dev);
if (mlx4_is_master(dev))
mlx4_free_resource_tracker(dev,
RES_TR_FREE_STRUCTS_ONLY);
iounmap(priv->kar);
mlx4_uar_free(dev, &priv->driver_uar);
mlx4_cleanup_uar_table(dev);
if (!mlx4_is_slave(dev))
mlx4_clear_steering(dev);
mlx4_free_eq_table(dev);
if (mlx4_is_master(dev))
mlx4_multi_func_cleanup(dev);
mlx4_close_hca(dev);
if (mlx4_is_slave(dev))
mlx4_multi_func_cleanup(dev);
mlx4_cmd_cleanup(dev);
if (dev->flags & MLX4_FLAG_MSI_X)
pci_disable_msix(pdev);
if (dev->flags & MLX4_FLAG_SRIOV) {
mlx4_warn(dev, "Disabling SR-IOV\n");
pci_disable_sriov(pdev);
}
if (!mlx4_is_slave(dev))
mlx4_free_ownership(dev);
kfree(dev->caps.qp0_tunnel);
kfree(dev->caps.qp0_proxy);
kfree(dev->caps.qp1_tunnel);
kfree(dev->caps.qp1_proxy);
kfree(dev->dev_vfs);
kfree(priv);
pci_release_regions(pdev);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
}
__mlx4_remove_one(pdev);
kfree(priv);
pci_set_drvdata(pdev, NULL);
}
int mlx4_restart_one(struct pci_dev *pdev)
@ -2692,7 +2717,7 @@ int mlx4_restart_one(struct pci_dev *pdev)
int pci_dev_data;
pci_dev_data = priv->pci_dev_data;
mlx4_remove_one(pdev);
__mlx4_remove_one(pdev);
return __mlx4_init_one(pdev, pci_dev_data);
}
@ -2747,7 +2772,7 @@ MODULE_DEVICE_TABLE(pci, mlx4_pci_table);
static pci_ers_result_t mlx4_pci_err_detected(struct pci_dev *pdev,
pci_channel_state_t state)
{
mlx4_remove_one(pdev);
__mlx4_remove_one(pdev);
return state == pci_channel_io_perm_failure ?
PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_NEED_RESET;
@ -2755,11 +2780,11 @@ static pci_ers_result_t mlx4_pci_err_detected(struct pci_dev *pdev,
static pci_ers_result_t mlx4_pci_slot_reset(struct pci_dev *pdev)
{
const struct pci_device_id *id;
int ret;
struct mlx4_dev *dev = pci_get_drvdata(pdev);
struct mlx4_priv *priv = mlx4_priv(dev);
int ret;
id = pci_match_id(mlx4_pci_table, pdev);
ret = __mlx4_init_one(pdev, id->driver_data);
ret = __mlx4_init_one(pdev, priv->pci_dev_data);
return ret ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
}

1
drivers/net/ethernet/mellanox/mlx4/mlx4.h
View File

@ -800,6 +800,7 @@ struct mlx4_priv {
spinlock_t ctx_lock;
int pci_dev_data;
int removed;
struct list_head pgdir_list;
struct mutex pgdir_mutex;

21
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
View File

@ -2139,8 +2139,6 @@ static int qlcnic_83xx_get_nic_configuration(struct qlcnic_adapter *adapter)
ahw->max_mac_filters = nic_info.max_mac_filters;
ahw->max_mtu = nic_info.max_mtu;
adapter->max_tx_rings = ahw->max_tx_ques;
adapter->max_sds_rings = ahw->max_rx_ques;
/* eSwitch capability indicates vNIC mode.
* vNIC and SRIOV are mutually exclusive operational modes.
* If SR-IOV capability is detected, SR-IOV physical function
@ -2161,6 +2159,7 @@ static int qlcnic_83xx_get_nic_configuration(struct qlcnic_adapter *adapter)
int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
u16 max_sds_rings, max_tx_rings;
int ret;
ret = qlcnic_83xx_get_nic_configuration(adapter);
@ -2173,18 +2172,21 @@ int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter)
if (qlcnic_83xx_config_vnic_opmode(adapter))
return -EIO;
adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
adapter->max_tx_rings = QLCNIC_MAX_VNIC_TX_RINGS;
max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
max_tx_rings = QLCNIC_MAX_VNIC_TX_RINGS;
} else if (ret == QLC_83XX_DEFAULT_OPMODE) {
ahw->nic_mode = QLCNIC_DEFAULT_MODE;
adapter->nic_ops->init_driver = qlcnic_83xx_init_default_driver;
ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry;
adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
adapter->max_tx_rings = QLCNIC_MAX_TX_RINGS;
max_sds_rings = QLCNIC_MAX_SDS_RINGS;
max_tx_rings = QLCNIC_MAX_TX_RINGS;
} else {
return -EIO;
}
adapter->max_sds_rings = min(ahw->max_rx_ques, max_sds_rings);
adapter->max_tx_rings = min(ahw->max_tx_ques, max_tx_rings);
return 0;
}
@ -2348,15 +2350,16 @@ int qlcnic_83xx_init(struct qlcnic_adapter *adapter, int pci_using_dac)
goto disable_intr;
}
INIT_DELAYED_WORK(&adapter->idc_aen_work, qlcnic_83xx_idc_aen_work);
err = qlcnic_83xx_setup_mbx_intr(adapter);
if (err)
goto disable_mbx_intr;
qlcnic_83xx_clear_function_resources(adapter);
INIT_DELAYED_WORK(&adapter->idc_aen_work, qlcnic_83xx_idc_aen_work);
qlcnic_dcb_enable(adapter->dcb);
qlcnic_83xx_initialize_nic(adapter, 1);
qlcnic_dcb_get_info(adapter->dcb);
/* Configure default, SR-IOV or Virtual NIC mode of operation */
err = qlcnic_83xx_configure_opmode(adapter);

3
drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
View File

@ -883,8 +883,6 @@ int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter,
npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
adapter->max_tx_rings = npar_info->max_tx_ques;
adapter->max_sds_rings = npar_info->max_rx_ques;
}
qlcnic_free_mbx_args(&cmd);
@ -1356,6 +1354,7 @@ int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
arg2 &= ~BIT_3;
break;
case QLCNIC_ADD_VLAN:
arg1 &= ~(0x0ffff << 16);
arg1 |= (BIT_2 | BIT_5);
arg1 |= (esw_cfg->vlan_id << 16);
break;

2
drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c
View File

@ -330,8 +330,6 @@ static int __qlcnic_dcb_attach(struct qlcnic_dcb *dcb)
goto out_free_cfg;
}
qlcnic_dcb_get_info(dcb);
return 0;
out_free_cfg:
kfree(dcb->cfg);

33
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
View File

@ -670,7 +670,7 @@ int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
else
num_msix += adapter->drv_tx_rings;
if (adapter->drv_rss_rings > 0)
if (adapter->drv_rss_rings > 0)
num_msix += adapter->drv_rss_rings;
else
num_msix += adapter->drv_sds_rings;
@ -686,19 +686,15 @@ int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
return -ENOMEM;
}
restore:
for (vector = 0; vector < num_msix; vector++)
adapter->msix_entries[vector].entry = vector;
restore:
err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
if (err == 0) {
adapter->ahw->num_msix = num_msix;
if (adapter->drv_tss_rings > 0)
adapter->drv_tx_rings = adapter->drv_tss_rings;
if (err > 0) {
if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
return -ENOSPC;
if (adapter->drv_rss_rings > 0)
adapter->drv_sds_rings = adapter->drv_rss_rings;
} else {
netdev_info(adapter->netdev,
"Unable to allocate %d MSI-X vectors, Available vectors %d\n",
num_msix, err);
@ -716,12 +712,20 @@ restore:
"Restoring %d Tx, %d SDS rings for total %d vectors.\n",
adapter->drv_tx_rings, adapter->drv_sds_rings,
num_msix);
goto restore;
err = -EIO;
goto restore;
} else if (err < 0) {
return err;
}
return err;
adapter->ahw->num_msix = num_msix;
if (adapter->drv_tss_rings > 0)
adapter->drv_tx_rings = adapter->drv_tss_rings;
if (adapter->drv_rss_rings > 0)
adapter->drv_sds_rings = adapter->drv_rss_rings;
return 0;
}
int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
@ -2528,8 +2532,6 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_out_free_hw;
}
qlcnic_dcb_enable(adapter->dcb);
if (qlcnic_read_mac_addr(adapter))
dev_warn(&pdev->dev, "failed to read mac addr\n");
@ -2549,7 +2551,10 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
"Device does not support MSI interrupts\n");
if (qlcnic_82xx_check(adapter)) {
qlcnic_dcb_enable(adapter->dcb);
qlcnic_dcb_get_info(adapter->dcb);
err = qlcnic_setup_intr(adapter);
if (err) {
dev_err(&pdev->dev, "Failed to setup interrupt\n");
goto err_out_disable_msi;

10
drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
View File

@ -461,6 +461,16 @@ static int qlcnic_pci_sriov_disable(struct qlcnic_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
if (pci_vfs_assigned(adapter->pdev)) {
netdev_err(adapter->netdev,
"SR-IOV VFs belonging to port %d are assigned to VMs. SR-IOV can not be disabled on this port\n",
adapter->portnum);
netdev_info(adapter->netdev,
"Please detach SR-IOV VFs belonging to port %d from VMs, and then try to disable SR-IOV on this port\n",
adapter->portnum);
return -EPERM;
}
rtnl_lock();
if (netif_running(netdev))
__qlcnic_down(adapter, netdev);

31
drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
View File

@ -354,7 +354,7 @@ int qlcnic_is_valid_nic_func(struct qlcnic_adapter *adapter, u8 pci_func)
{
int i;
for (i = 0; i < adapter->ahw->max_vnic_func; i++) {
for (i = 0; i < adapter->ahw->total_nic_func; i++) {
if (adapter->npars[i].pci_func == pci_func)
return i;
}
@ -720,6 +720,7 @@ static ssize_t qlcnic_sysfs_read_npar_config(struct file *file,
struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
struct qlcnic_npar_func_cfg *np_cfg;
struct qlcnic_info nic_info;
u8 pci_func;
int i, ret;
u32 count;
@ -729,26 +730,28 @@ static ssize_t qlcnic_sysfs_read_npar_config(struct file *file,
count = size / sizeof(struct qlcnic_npar_func_cfg);
for (i = 0; i < adapter->ahw->total_nic_func; i++) {
if (qlcnic_is_valid_nic_func(adapter, i) < 0)
continue;
if (adapter->npars[i].pci_func >= count) {
dev_dbg(dev, "%s: Total nic functions[%d], App sent function count[%d]\n",
__func__, adapter->ahw->total_nic_func, count);
continue;
}
ret = qlcnic_get_nic_info(adapter, &nic_info, i);
if (ret)
return ret;
if (!adapter->npars[i].eswitch_status)
continue;
np_cfg[i].pci_func = i;
np_cfg[i].op_mode = (u8)nic_info.op_mode;
np_cfg[i].port_num = nic_info.phys_port;
np_cfg[i].fw_capab = nic_info.capabilities;
np_cfg[i].min_bw = nic_info.min_tx_bw;
np_cfg[i].max_bw = nic_info.max_tx_bw;
np_cfg[i].max_tx_queues = nic_info.max_tx_ques;
np_cfg[i].max_rx_queues = nic_info.max_rx_ques;
pci_func = adapter->npars[i].pci_func;
if (qlcnic_is_valid_nic_func(adapter, pci_func) < 0)
continue;
ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
if (ret)
return ret;
np_cfg[pci_func].pci_func = pci_func;
np_cfg[pci_func].op_mode = (u8)nic_info.op_mode;
np_cfg[pci_func].port_num = nic_info.phys_port;
np_cfg[pci_func].fw_capab = nic_info.capabilities;
np_cfg[pci_func].min_bw = nic_info.min_tx_bw;
np_cfg[pci_func].max_bw = nic_info.max_tx_bw;
np_cfg[pci_func].max_tx_queues = nic_info.max_tx_ques;
np_cfg[pci_func].max_rx_queues = nic_info.max_rx_ques;
}
return size;
}

10
drivers/net/ieee802154/at86rf230.c
View File

@ -365,7 +365,7 @@ __at86rf230_read_subreg(struct at86rf230_local *lp,
dev_vdbg(&lp->spi->dev, "buf[1] = %02x\n", buf[1]);
if (status == 0)
*data = buf[1];
*data = (buf[1] & mask) >> shift;
return status;
}
@ -1025,14 +1025,6 @@ static int at86rf230_hw_init(struct at86rf230_local *lp)
return -EINVAL;
}
rc = at86rf230_read_subreg(lp, SR_AVDD_OK, &status);
if (rc)
return rc;
if (!status) {
dev_err(&lp->spi->dev, "AVDD error\n");
return -EINVAL;
}
return 0;
}

4
drivers/net/vxlan.c
View File

@ -1755,8 +1755,8 @@ int vxlan_xmit_skb(struct vxlan_sock *vs,
if (err)
return err;
return iptunnel_xmit(rt, skb, src, dst, IPPROTO_UDP, tos, ttl, df,
false);
return iptunnel_xmit(vs->sock->sk, rt, skb, src, dst, IPPROTO_UDP,
tos, ttl, df, false);
}
EXPORT_SYMBOL_GPL(vxlan_xmit_skb);

4
drivers/net/wan/cosa.c
View File

@ -1521,11 +1521,7 @@ static int cosa_reset_and_read_id(struct cosa_data *cosa, char *idstring)
cosa_putstatus(cosa, 0);
cosa_getdata8(cosa);
cosa_putstatus(cosa, SR_RST);
#ifdef MODULE
msleep(500);
#else
udelay(5*100000);
#endif
/* Disable all IRQs from the card */
cosa_putstatus(cosa, 0);

8
drivers/pinctrl/Kconfig
View File

@ -104,16 +104,16 @@ config PINCTRL_BCM2835
select PINMUX
select PINCONF
config PINCTRL_CAPRI
bool "Broadcom Capri pinctrl driver"
config PINCTRL_BCM281XX
bool "Broadcom BCM281xx pinctrl driver"
depends on OF
select PINMUX
select PINCONF
select GENERIC_PINCONF
select REGMAP_MMIO
help
Say Y here to support Broadcom Capri pinctrl driver, which is used for
the BCM281xx SoC family, including BCM11130, BCM11140, BCM11351,
Say Y here to support Broadcom BCM281xx pinctrl driver, which is used
for the BCM281xx SoC family, including BCM11130, BCM11140, BCM11351,
BCM28145, and BCM28155 SoCs. This driver requires the pinctrl
framework. GPIO is provided by a separate GPIO driver.

2
drivers/pinctrl/Makefile
View File

@ -21,7 +21,7 @@ obj-$(CONFIG_PINCTRL_BF60x) += pinctrl-adi2-bf60x.o
obj-$(CONFIG_PINCTRL_AT91) += pinctrl-at91.o
obj-$(CONFIG_PINCTRL_BCM2835) += pinctrl-bcm2835.o
obj-$(CONFIG_PINCTRL_BAYTRAIL) += pinctrl-baytrail.o
obj-$(CONFIG_PINCTRL_CAPRI) += pinctrl-capri.o
obj-$(CONFIG_PINCTRL_BCM281XX) += pinctrl-bcm281xx.o
obj-$(CONFIG_PINCTRL_IMX) += pinctrl-imx.o
obj-$(CONFIG_PINCTRL_IMX1_CORE) += pinctrl-imx1-core.o
obj-$(CONFIG_PINCTRL_IMX27) += pinctrl-imx27.o

1461
drivers/pinctrl/pinctrl-bcm281xx.c Normal file
View File

File diff suppressed because it is too large Load Diff

1454
drivers/pinctrl/pinctrl-capri.c
View File

File diff suppressed because it is too large Load Diff

6
drivers/pinctrl/pinctrl-msm.c
View File

@ -665,7 +665,10 @@ static void msm_gpio_irq_ack(struct irq_data *d)
spin_lock_irqsave(&pctrl->lock, flags);
val = readl(pctrl->regs + g->intr_status_reg);
val &= ~BIT(g->intr_status_bit);
if (g->intr_ack_high)
val |= BIT(g->intr_status_bit);
else
val &= ~BIT(g->intr_status_bit);
writel(val, pctrl->regs + g->intr_status_reg);
if (test_bit(d->hwirq, pctrl->dual_edge_irqs))
@ -744,6 +747,7 @@ static int msm_gpio_irq_set_type(struct irq_data *d, unsigned int type)
break;
case IRQ_TYPE_EDGE_BOTH:
val |= BIT(g->intr_detection_bit);
val |= BIT(g->intr_polarity_bit);
break;
case IRQ_TYPE_LEVEL_LOW:
break;

1
drivers/pinctrl/pinctrl-msm.h
View File

@ -84,6 +84,7 @@ struct msm_pingroup {
unsigned intr_enable_bit:5;
unsigned intr_status_bit:5;
unsigned intr_ack_high:1;
unsigned intr_target_bit:5;
unsigned intr_raw_status_bit:5;

1
drivers/pinctrl/pinctrl-nomadik.c
View File

@ -877,7 +877,6 @@ static void nmk_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
struct nmk_gpio_chip *nmk_chip = container_of(chip, struct nmk_gpio_chip, chip);
u32 status;
pr_err("PLONK IRQ %d\n", irq);
clk_enable(nmk_chip->clk);
status = readl(nmk_chip->addr + NMK_GPIO_IS);
clk_disable(nmk_chip->clk);

48
drivers/pinctrl/pinctrl-rockchip.c
View File

@ -342,7 +342,7 @@ static const struct pinctrl_ops rockchip_pctrl_ops = {
* @pin: pin to change
* @mux: new mux function to set
*/
static void rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux)
static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux)
{
struct rockchip_pinctrl *info = bank->drvdata;
void __iomem *reg = info->reg_base + info->ctrl->mux_offset;
@ -350,6 +350,20 @@ static void rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux)
u8 bit;
u32 data;
/*
* The first 16 pins of rk3188_bank0 are always gpios and do not have
* a mux register at all.
*/
if (bank->bank_type == RK3188_BANK0 && pin < 16) {
if (mux != RK_FUNC_GPIO) {
dev_err(info->dev,
"pin %d only supports a gpio mux\n", pin);
return -ENOTSUPP;
} else {
return 0;
}
}
dev_dbg(info->dev, "setting mux of GPIO%d-%d to %d\n",
bank->bank_num, pin, mux);
@ -365,6 +379,8 @@ static void rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux)
writel(data, reg);
spin_unlock_irqrestore(&bank->slock, flags);
return 0;
}
#define RK2928_PULL_OFFSET 0x118
@ -560,7 +576,7 @@ static int rockchip_pmx_enable(struct pinctrl_dev *pctldev, unsigned selector,
const unsigned int *pins = info->groups[group].pins;
const struct rockchip_pin_config *data = info->groups[group].data;
struct rockchip_pin_bank *bank;
int cnt;
int cnt, ret = 0;
dev_dbg(info->dev, "enable function %s group %s\n",
info->functions[selector].name, info->groups[group].name);
@ -571,8 +587,18 @@ static int rockchip_pmx_enable(struct pinctrl_dev *pctldev, unsigned selector,
*/
for (cnt = 0; cnt < info->groups[group].npins; cnt++) {
bank = pin_to_bank(info, pins[cnt]);
rockchip_set_mux(bank, pins[cnt] - bank->pin_base,
data[cnt].func);
ret = rockchip_set_mux(bank, pins[cnt] - bank->pin_base,
data[cnt].func);
if (ret)
break;
}
if (ret) {
/* revert the already done pin settings */
for (cnt--; cnt >= 0; cnt--)
rockchip_set_mux(bank, pins[cnt] - bank->pin_base, 0);
return ret;
}
return 0;
@ -607,7 +633,7 @@ static int rockchip_pmx_gpio_set_direction(struct pinctrl_dev *pctldev,
struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
struct rockchip_pin_bank *bank;
struct gpio_chip *chip;
int pin;
int pin, ret;
u32 data;
chip = range->gc;
@ -617,7 +643,9 @@ static int rockchip_pmx_gpio_set_direction(struct pinctrl_dev *pctldev,
dev_dbg(info->dev, "gpio_direction for pin %u as %s-%d to %s\n",
offset, range->name, pin, input ? "input" : "output");
rockchip_set_mux(bank, pin, RK_FUNC_GPIO);
ret = rockchip_set_mux(bank, pin, RK_FUNC_GPIO);
if (ret < 0)
return ret;
data = readl_relaxed(bank->reg_base + GPIO_SWPORT_DDR);
/* set bit to 1 for output, 0 for input */
@ -1144,9 +1172,13 @@ static int rockchip_irq_set_type(struct irq_data *d, unsigned int type)
u32 polarity;
u32 level;
u32 data;
int ret;
/* make sure the pin is configured as gpio input */
rockchip_set_mux(bank, d->hwirq, RK_FUNC_GPIO);
ret = rockchip_set_mux(bank, d->hwirq, RK_FUNC_GPIO);
if (ret < 0)
return ret;
data = readl_relaxed(bank->reg_base + GPIO_SWPORT_DDR);
data &= ~mask;
writel_relaxed(data, bank->reg_base + GPIO_SWPORT_DDR);
@ -1534,7 +1566,7 @@ static struct rockchip_pin_ctrl rk3188_pin_ctrl = {
.nr_banks = ARRAY_SIZE(rk3188_pin_banks),
.label = "RK3188-GPIO",
.type = RK3188,
.mux_offset = 0x68,
.mux_offset = 0x60,
.pull_calc_reg = rk3188_calc_pull_reg_and_bit,
};

2
drivers/s390/char/sclp.c
View File

@ -1252,7 +1252,7 @@ static __init int sclp_initcall(void)
return rc;
sclp_pdev = platform_device_register_simple("sclp", -1, NULL, 0);
rc = PTR_RET(sclp_pdev);
rc = PTR_ERR_OR_ZERO(sclp_pdev);
if (rc)
goto fail_platform_driver_unregister;

2
drivers/s390/char/sclp_cmd.c
View File

@ -515,7 +515,7 @@ static int __init sclp_detect_standby_memory(void)
if (rc)
goto out;
sclp_pdev = platform_device_register_simple("sclp_mem", -1, NULL, 0);
rc = PTR_RET(sclp_pdev);
rc = PTR_ERR_OR_ZERO(sclp_pdev);
if (rc)
goto out_driver;
sclp_add_standby_memory();

16
drivers/s390/char/sclp_vt220.c
View File

@ -97,15 +97,18 @@ static void sclp_vt220_pm_event_fn(struct sclp_register *reg,
static int __sclp_vt220_emit(struct sclp_vt220_request *request);
static void sclp_vt220_emit_current(void);
/* Registration structure for our interest in SCLP event buffers */
/* Registration structure for SCLP output event buffers */
static struct sclp_register sclp_vt220_register = {
.send_mask = EVTYP_VT220MSG_MASK,
.receive_mask = EVTYP_VT220MSG_MASK,
.state_change_fn = NULL,
.receiver_fn = sclp_vt220_receiver_fn,
.pm_event_fn = sclp_vt220_pm_event_fn,
};
/* Registration structure for SCLP input event buffers */
static struct sclp_register sclp_vt220_register_input = {
.receive_mask = EVTYP_VT220MSG_MASK,
.receiver_fn = sclp_vt220_receiver_fn,
};
/*
* Put provided request buffer back into queue and check emit pending
@ -715,9 +718,14 @@ static int __init sclp_vt220_tty_init(void)
rc = tty_register_driver(driver);
if (rc)
goto out_init;
rc = sclp_register(&sclp_vt220_register_input);
if (rc)
goto out_reg;
sclp_vt220_driver = driver;
return 0;
out_reg:
tty_unregister_driver(driver);
out_init:
__sclp_vt220_cleanup();
out_driver:

2
drivers/video/Kconfig
View File

@ -359,6 +359,8 @@ config FB_SA1100
config FB_IMX
tristate "Freescale i.MX1/21/25/27 LCD support"
depends on FB && ARCH_MXC
select BACKLIGHT_LCD_SUPPORT
select LCD_CLASS_DEVICE
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT

2
drivers/video/bf54x-lq043fb.c
View File

@ -49,13 +49,13 @@
#include <linux/spinlock.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <asm/blackfin.h>
#include <asm/irq.h>
#include <asm/dpmc.h>
#include <asm/dma-mapping.h>
#include <asm/dma.h>
#include <asm/gpio.h>
#include <asm/portmux.h>
#include <mach/bf54x-lq043.h>

10
drivers/video/da8xx-fb.c
View File

@ -663,15 +663,7 @@ static int fb_setcolreg(unsigned regno, unsigned red, unsigned green,
(green << info->var.green.offset) |
(blue << info->var.blue.offset);
switch (info->var.bits_per_pixel) {
case 16:
((u16 *) (info->pseudo_palette))[regno] = v;
break;
case 24:
case 32:
((u32 *) (info->pseudo_palette))[regno] = v;
break;
}
((u32 *) (info->pseudo_palette))[regno] = v;
if (palette[0] != 0x4000) {
update_hw = 1;
palette[0] = 0x4000;

67
drivers/video/omap2/dss/dispc.c
View File

@ -101,6 +101,8 @@ static struct {
void __iomem *base;
int irq;
irq_handler_t user_handler;
void *user_data;
unsigned long core_clk_rate;
unsigned long tv_pclk_rate;
@ -113,6 +115,8 @@ static struct {
u32 ctx[DISPC_SZ_REGS / sizeof(u32)];
const struct dispc_features *feat;
bool is_enabled;
} dispc;
enum omap_color_component {
@ -141,12 +145,18 @@ enum mgr_reg_fields {
DISPC_MGR_FLD_NUM,
};
struct dispc_reg_field {
u16 reg;
u8 high;
u8 low;
};
static const struct {
const char *name;
u32 vsync_irq;
u32 framedone_irq;
u32 sync_lost_irq;
struct reg_field reg_desc[DISPC_MGR_FLD_NUM];
struct dispc_reg_field reg_desc[DISPC_MGR_FLD_NUM];
} mgr_desc[] = {
[OMAP_DSS_CHANNEL_LCD] = {
.name = "LCD",
@ -238,13 +248,13 @@ static inline u32 dispc_read_reg(const u16 idx)
static u32 mgr_fld_read(enum omap_channel channel, enum mgr_reg_fields regfld)
{
const struct reg_field rfld = mgr_desc[channel].reg_desc[regfld];
const struct dispc_reg_field rfld = mgr_desc[channel].reg_desc[regfld];
return REG_GET(rfld.reg, rfld.high, rfld.low);
}
static void mgr_fld_write(enum omap_channel channel,
enum mgr_reg_fields regfld, int val) {
const struct reg_field rfld = mgr_desc[channel].reg_desc[regfld];
const struct dispc_reg_field rfld = mgr_desc[channel].reg_desc[regfld];
REG_FLD_MOD(rfld.reg, val, rfld.high, rfld.low);
}
@ -3669,16 +3679,44 @@ static int __init dispc_init_features(struct platform_device *pdev)
return 0;
}
static irqreturn_t dispc_irq_handler(int irq, void *arg)
{
if (!dispc.is_enabled)
return IRQ_NONE;
return dispc.user_handler(irq, dispc.user_data);
}
int dispc_request_irq(irq_handler_t handler, void *dev_id)
{
return devm_request_irq(&dispc.pdev->dev, dispc.irq, handler,
IRQF_SHARED, "OMAP DISPC", dev_id);
int r;
if (dispc.user_handler != NULL)
return -EBUSY;
dispc.user_handler = handler;
dispc.user_data = dev_id;
/* ensure the dispc_irq_handler sees the values above */
smp_wmb();
r = devm_request_irq(&dispc.pdev->dev, dispc.irq, dispc_irq_handler,
IRQF_SHARED, "OMAP DISPC", &dispc);
if (r) {
dispc.user_handler = NULL;
dispc.user_data = NULL;
}
return r;
}
EXPORT_SYMBOL(dispc_request_irq);
void dispc_free_irq(void *dev_id)
{
devm_free_irq(&dispc.pdev->dev, dispc.irq, dev_id);
devm_free_irq(&dispc.pdev->dev, dispc.irq, &dispc);
dispc.user_handler = NULL;
dispc.user_data = NULL;
}
EXPORT_SYMBOL(dispc_free_irq);
@ -3750,6 +3788,12 @@ static int __exit omap_dispchw_remove(struct platform_device *pdev)
static int dispc_runtime_suspend(struct device *dev)
{
dispc.is_enabled = false;
/* ensure the dispc_irq_handler sees the is_enabled value */
smp_wmb();
/* wait for current handler to finish before turning the DISPC off */
synchronize_irq(dispc.irq);
dispc_save_context();
return 0;
@ -3763,12 +3807,15 @@ static int dispc_runtime_resume(struct device *dev)
* _omap_dispc_initial_config(). We can thus use it to detect if
* we have lost register context.
*/
if (REG_GET(DISPC_CONFIG, 2, 1) == OMAP_DSS_LOAD_FRAME_ONLY)
return 0;
if (REG_GET(DISPC_CONFIG, 2, 1) != OMAP_DSS_LOAD_FRAME_ONLY) {
_omap_dispc_initial_config();
_omap_dispc_initial_config();
dispc_restore_context();
}
dispc_restore_context();
dispc.is_enabled = true;
/* ensure the dispc_irq_handler sees the is_enabled value */
smp_wmb();
return 0;
}

20
drivers/video/omap2/dss/dsi.c
View File

@ -297,6 +297,8 @@ struct dsi_data {
int irq;
bool is_enabled;
struct clk *dss_clk;
struct clk *sys_clk;
@ -795,6 +797,9 @@ static irqreturn_t omap_dsi_irq_handler(int irq, void *arg)
dsidev = (struct platform_device *) arg;
dsi = dsi_get_dsidrv_data(dsidev);
if (!dsi->is_enabled)
return IRQ_NONE;
spin_lock(&dsi->irq_lock);
irqstatus = dsi_read_reg(dsidev, DSI_IRQSTATUS);
@ -5671,6 +5676,15 @@ static int __exit omap_dsihw_remove(struct platform_device *dsidev)
static int dsi_runtime_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct dsi_data *dsi = dsi_get_dsidrv_data(pdev);
dsi->is_enabled = false;
/* ensure the irq handler sees the is_enabled value */
smp_wmb();
/* wait for current handler to finish before turning the DSI off */
synchronize_irq(dsi->irq);
dispc_runtime_put();
return 0;
@ -5678,12 +5692,18 @@ static int dsi_runtime_suspend(struct device *dev)
static int dsi_runtime_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct dsi_data *dsi = dsi_get_dsidrv_data(pdev);
int r;
r = dispc_runtime_get();
if (r)
return r;
dsi->is_enabled = true;
/* ensure the irq handler sees the is_enabled value */
smp_wmb();
return 0;
}

4
drivers/video/omap2/dss/dss.c
View File

@ -457,7 +457,7 @@ bool dss_div_calc(unsigned long pck, unsigned long fck_min,
fckd_stop = max(DIV_ROUND_UP(prate * m, fck_hw_max), 1ul);
for (fckd = fckd_start; fckd >= fckd_stop; --fckd) {
fck = prate / fckd * m;
fck = DIV_ROUND_UP(prate, fckd) * m;
if (func(fck, data))
return true;
@ -506,7 +506,7 @@ static int dss_setup_default_clock(void)
fck_div = DIV_ROUND_UP(prate * dss.feat->dss_fck_multiplier,
max_dss_fck);
fck = prate / fck_div * dss.feat->dss_fck_multiplier;
fck = DIV_ROUND_UP(prate, fck_div) * dss.feat->dss_fck_multiplier;
}
r = dss_set_fck_rate(fck);

6
drivers/video/omap2/dss/dss.h
View File

@ -131,12 +131,6 @@ struct dsi_clock_info {
u16 lp_clk_div;
};
struct reg_field {
u16 reg;
u8 high;
u8 low;
};
struct dss_lcd_mgr_config {
enum dss_io_pad_mode io_pad_mode;

8
drivers/video/omap2/dss/hdmi_common.c
View File

@ -347,17 +347,17 @@ int hdmi_compute_acr(u32 pclk, u32 sample_freq, u32 *n, u32 *cts)
case 96000:
case 192000:
if (deep_color == 125)
if (pclk == 27027 || pclk == 74250)
if (pclk == 27027000 || pclk == 74250000)
deep_color_correct = true;
if (deep_color == 150)
if (pclk == 27027)
if (pclk == 27027000)
deep_color_correct = true;
break;
case 44100:
case 88200:
case 176400:
if (deep_color == 125)
if (pclk == 27027)
if (pclk == 27027000)
deep_color_correct = true;
break;
default:
@ -418,7 +418,7 @@ int hdmi_compute_acr(u32 pclk, u32 sample_freq, u32 *n, u32 *cts)
}
}
/* Calculate CTS. See HDMI 1.3a or 1.4a specifications */
*cts = pclk * (*n / 128) * deep_color / (sample_freq / 10);
*cts = (pclk/1000) * (*n / 128) * deep_color / (sample_freq / 10);
return 0;
}

1
include/linux/filter.h
View File

@ -220,7 +220,6 @@ enum {
BPF_S_ANC_RXHASH,
BPF_S_ANC_CPU,
BPF_S_ANC_ALU_XOR_X,
BPF_S_ANC_SECCOMP_LD_W,
BPF_S_ANC_VLAN_TAG,
BPF_S_ANC_VLAN_TAG_PRESENT,
BPF_S_ANC_PAY_OFFSET,

1
include/linux/netfilter/nf_conntrack_proto_gre.h
View File

@ -87,7 +87,6 @@ int nf_ct_gre_keymap_add(struct nf_conn *ct, enum ip_conntrack_dir dir,
/* delete keymap entries */
void nf_ct_gre_keymap_destroy(struct nf_conn *ct);
void nf_ct_gre_keymap_flush(struct net *net);
void nf_nat_need_gre(void);
#endif /* __KERNEL__ */

14
include/linux/reboot.h
View File

@ -20,13 +20,13 @@ enum reboot_mode {
extern enum reboot_mode reboot_mode;
enum reboot_type {
BOOT_TRIPLE = 't',
BOOT_KBD = 'k',
BOOT_BIOS = 'b',
BOOT_ACPI = 'a',
BOOT_EFI = 'e',
BOOT_CF9 = 'p',
BOOT_CF9_COND = 'q',
BOOT_TRIPLE = 't',
BOOT_KBD = 'k',
BOOT_BIOS = 'b',
BOOT_ACPI = 'a',
BOOT_EFI = 'e',
BOOT_CF9_FORCE = 'p',
BOOT_CF9_SAFE = 'q',
};
extern enum reboot_type reboot_type;

14
include/net/dst.h
View File

@ -45,7 +45,7 @@ struct dst_entry {
void *__pad1;
#endif
int (*input)(struct sk_buff *);
int (*output)(struct sk_buff *);
int (*output)(struct sock *sk, struct sk_buff *skb);
unsigned short flags;
#define DST_HOST 0x0001
@ -367,7 +367,11 @@ static inline struct dst_entry *skb_dst_pop(struct sk_buff *skb)
return child;
}
int dst_discard(struct sk_buff *skb);
int dst_discard_sk(struct sock *sk, struct sk_buff *skb);
static inline int dst_discard(struct sk_buff *skb)
{
return dst_discard_sk(skb->sk, skb);
}
void *dst_alloc(struct dst_ops *ops, struct net_device *dev, int initial_ref,
int initial_obsolete, unsigned short flags);
void __dst_free(struct dst_entry *dst);
@ -449,9 +453,13 @@ static inline void dst_set_expires(struct dst_entry *dst, int timeout)
}
/* Output packet to network from transport. */
static inline int dst_output_sk(struct sock *sk, struct sk_buff *skb)
{
return skb_dst(skb)->output(sk, skb);
}
static inline int dst_output(struct sk_buff *skb)
{
return skb_dst(skb)->output(skb);
return dst_output_sk(skb->sk, skb);
}
/* Input packet from network to transport. */

2
include/net/inet6_connection_sock.h
View File

@ -40,7 +40,7 @@ void inet6_csk_reqsk_queue_hash_add(struct sock *sk, struct request_sock *req,
void inet6_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr);
int inet6_csk_xmit(struct sk_buff *skb, struct flowi *fl);
int inet6_csk_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl);
struct dst_entry *inet6_csk_update_pmtu(struct sock *sk, u32 mtu);
#endif /* _INET6_CONNECTION_SOCK_H */

2
include/net/inet_connection_sock.h
View File

@ -36,7 +36,7 @@ struct tcp_congestion_ops;
* (i.e. things that depend on the address family)
*/
struct inet_connection_sock_af_ops {
int (*queue_xmit)(struct sk_buff *skb, struct flowi *fl);
int (*queue_xmit)(struct sock *sk, struct sk_buff *skb, struct flowi *fl);
void (*send_check)(struct sock *sk, struct sk_buff *skb);
int (*rebuild_header)(struct sock *sk);
void (*sk_rx_dst_set)(struct sock *sk, const struct sk_buff *skb);

13
include/net/ip.h
View File

@ -104,14 +104,19 @@ int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt,
struct net_device *orig_dev);
int ip_local_deliver(struct sk_buff *skb);
int ip_mr_input(struct sk_buff *skb);
int ip_output(struct sk_buff *skb);
int ip_mc_output(struct sk_buff *skb);
int ip_output(struct sock *sk, struct sk_buff *skb);
int ip_mc_output(struct sock *sk, struct sk_buff *skb);
int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *));
int ip_do_nat(struct sk_buff *skb);
void ip_send_check(struct iphdr *ip);
int __ip_local_out(struct sk_buff *skb);
int ip_local_out(struct sk_buff *skb);
int ip_queue_xmit(struct sk_buff *skb, struct flowi *fl);
int ip_local_out_sk(struct sock *sk, struct sk_buff *skb);
static inline int ip_local_out(struct sk_buff *skb)
{
return ip_local_out_sk(skb->sk, skb);
}
int ip_queue_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl);
void ip_init(void);
int ip_append_data(struct sock *sk, struct flowi4 *fl4,
int getfrag(void *from, char *to, int offset, int len,

5
include/net/ip6_route.h
View File

@ -32,6 +32,11 @@ struct route_info {
#define RT6_LOOKUP_F_SRCPREF_PUBLIC 0x00000010
#define RT6_LOOKUP_F_SRCPREF_COA 0x00000020
/* We do not (yet ?) support IPv6 jumbograms (RFC 2675)
* Unlike IPv4, hdr->seg_len doesn't include the IPv6 header
*/
#define IP6_MAX_MTU (0xFFFF + sizeof(struct ipv6hdr))
/*
* rt6_srcprefs2flags() and rt6_flags2srcprefs() translate
* between IPV6_ADDR_PREFERENCES socket option values

2
include/net/ip_tunnels.h
View File

@ -153,7 +153,7 @@ static inline u8 ip_tunnel_ecn_encap(u8 tos, const struct iphdr *iph,
}
int iptunnel_pull_header(struct sk_buff *skb, int hdr_len, __be16 inner_proto);
int iptunnel_xmit(struct rtable *rt, struct sk_buff *skb,
int iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb,
__be32 src, __be32 dst, __u8 proto,
__u8 tos, __u8 ttl, __be16 df, bool xnet);

2
include/net/ipv6.h
View File

@ -731,7 +731,7 @@ struct dst_entry *ip6_blackhole_route(struct net *net,
* skb processing functions
*/
int ip6_output(struct sk_buff *skb);
int ip6_output(struct sock *sk, struct sk_buff *skb);
int ip6_forward(struct sk_buff *skb);
int ip6_input(struct sk_buff *skb);
int ip6_mc_input(struct sk_buff *skb);

10
include/net/netfilter/nf_tables_core.h
View File

@ -13,6 +13,16 @@ struct nft_cmp_fast_expr {
u8 len;
};
/* Calculate the mask for the nft_cmp_fast expression. On big endian the
* mask needs to include the *upper* bytes when interpreting that data as
* something smaller than the full u32, therefore a cpu_to_le32 is done.
*/
static inline u32 nft_cmp_fast_mask(unsigned int len)
{
return cpu_to_le32(~0U >> (FIELD_SIZEOF(struct nft_cmp_fast_expr,
data) * BITS_PER_BYTE - len));
}
extern const struct nft_expr_ops nft_cmp_fast_ops;
int nft_cmp_module_init(void);

14
include/net/sctp/structs.h
View File

@ -1653,6 +1653,17 @@ struct sctp_association {
/* This is the last advertised value of rwnd over a SACK chunk. */
__u32 a_rwnd;
/* Number of bytes by which the rwnd has slopped. The rwnd is allowed
* to slop over a maximum of the association's frag_point.
*/
__u32 rwnd_over;
/* Keeps treack of rwnd pressure. This happens when we have
* a window, but not recevie buffer (i.e small packets). This one
* is releases slowly (1 PMTU at a time ).
*/
__u32 rwnd_press;
/* This is the sndbuf size in use for the association.
* This corresponds to the sndbuf size for the association,
* as specified in the sk->sndbuf.
@ -1881,7 +1892,8 @@ void sctp_assoc_update(struct sctp_association *old,
__u32 sctp_association_get_next_tsn(struct sctp_association *);
void sctp_assoc_sync_pmtu(struct sock *, struct sctp_association *);
void sctp_assoc_rwnd_update(struct sctp_association *, bool);
void sctp_assoc_rwnd_increase(struct sctp_association *, unsigned int);
void sctp_assoc_rwnd_decrease(struct sctp_association *, unsigned int);
void sctp_assoc_set_primary(struct sctp_association *,
struct sctp_transport *);
void sctp_assoc_del_nonprimary_peers(struct sctp_association *,

6
include/net/xfrm.h
View File

@ -333,7 +333,7 @@ struct xfrm_state_afinfo {
const xfrm_address_t *saddr);
int (*tmpl_sort)(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n);
int (*state_sort)(struct xfrm_state **dst, struct xfrm_state **src, int n);
int (*output)(struct sk_buff *skb);
int (*output)(struct sock *sk, struct sk_buff *skb);
int (*output_finish)(struct sk_buff *skb);
int (*extract_input)(struct xfrm_state *x,
struct sk_buff *skb);
@ -1540,7 +1540,7 @@ static inline int xfrm4_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi)
int xfrm4_extract_output(struct xfrm_state *x, struct sk_buff *skb);
int xfrm4_prepare_output(struct xfrm_state *x, struct sk_buff *skb);
int xfrm4_output(struct sk_buff *skb);
int xfrm4_output(struct sock *sk, struct sk_buff *skb);
int xfrm4_output_finish(struct sk_buff *skb);
int xfrm4_rcv_cb(struct sk_buff *skb, u8 protocol, int err);
int xfrm4_protocol_register(struct xfrm4_protocol *handler, unsigned char protocol);
@ -1565,7 +1565,7 @@ __be32 xfrm6_tunnel_alloc_spi(struct net *net, xfrm_address_t *saddr);
__be32 xfrm6_tunnel_spi_lookup(struct net *net, const xfrm_address_t *saddr);
int xfrm6_extract_output(struct xfrm_state *x, struct sk_buff *skb);
int xfrm6_prepare_output(struct xfrm_state *x, struct sk_buff *skb);
int xfrm6_output(struct sk_buff *skb);
int xfrm6_output(struct sock *sk, struct sk_buff *skb);
int xfrm6_output_finish(struct sk_buff *skb);
int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb,
u8 **prevhdr);

19
kernel/locking/mutex-debug.c
View File

@ -71,18 +71,17 @@ void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
void debug_mutex_unlock(struct mutex *lock)
{
if (unlikely(!debug_locks))
return;
if (likely(debug_locks)) {
DEBUG_LOCKS_WARN_ON(lock->magic != lock);
DEBUG_LOCKS_WARN_ON(lock->magic != lock);
if (!lock->owner)
DEBUG_LOCKS_WARN_ON(!lock->owner);
else
DEBUG_LOCKS_WARN_ON(lock->owner != current);
if (!lock->owner)
DEBUG_LOCKS_WARN_ON(!lock->owner);
else
DEBUG_LOCKS_WARN_ON(lock->owner != current);
DEBUG_LOCKS_WARN_ON(!lock->wait_list.prev && !lock->wait_list.next);
mutex_clear_owner(lock);
DEBUG_LOCKS_WARN_ON(!lock->wait_list.prev && !lock->wait_list.next);
mutex_clear_owner(lock);
}
/*
* __mutex_slowpath_needs_to_unlock() is explicitly 0 for debug

17
kernel/seccomp.c
View File

@ -69,18 +69,17 @@ static void populate_seccomp_data(struct seccomp_data *sd)
{
struct task_struct *task = current;
struct pt_regs *regs = task_pt_regs(task);
unsigned long args[6];
sd->nr = syscall_get_nr(task, regs);
sd->arch = syscall_get_arch();
/* Unroll syscall_get_args to help gcc on arm. */
syscall_get_arguments(task, regs, 0, 1, (unsigned long *) &sd->args[0]);
syscall_get_arguments(task, regs, 1, 1, (unsigned long *) &sd->args[1]);
syscall_get_arguments(task, regs, 2, 1, (unsigned long *) &sd->args[2]);
syscall_get_arguments(task, regs, 3, 1, (unsigned long *) &sd->args[3]);
syscall_get_arguments(task, regs, 4, 1, (unsigned long *) &sd->args[4]);
syscall_get_arguments(task, regs, 5, 1, (unsigned long *) &sd->args[5]);
syscall_get_arguments(task, regs, 0, 6, args);
sd->args[0] = args[0];
sd->args[1] = args[1];
sd->args[2] = args[2];
sd->args[3] = args[3];
sd->args[4] = args[4];
sd->args[5] = args[5];
sd->instruction_pointer = KSTK_EIP(task);
}

11
kernel/user_namespace.c
View File

@ -152,7 +152,7 @@ static u32 map_id_range_down(struct uid_gid_map *map, u32 id, u32 count)
/* Find the matching extent */
extents = map->nr_extents;
smp_read_barrier_depends();
smp_rmb();
for (idx = 0; idx < extents; idx++) {
first = map->extent[idx].first;
last = first + map->extent[idx].count - 1;
@ -176,7 +176,7 @@ static u32 map_id_down(struct uid_gid_map *map, u32 id)
/* Find the matching extent */
extents = map->nr_extents;
smp_read_barrier_depends();
smp_rmb();
for (idx = 0; idx < extents; idx++) {
first = map->extent[idx].first;
last = first + map->extent[idx].count - 1;
@ -199,7 +199,7 @@ static u32 map_id_up(struct uid_gid_map *map, u32 id)
/* Find the matching extent */
extents = map->nr_extents;
smp_read_barrier_depends();
smp_rmb();
for (idx = 0; idx < extents; idx++) {
first = map->extent[idx].lower_first;
last = first + map->extent[idx].count - 1;
@ -615,9 +615,8 @@ static ssize_t map_write(struct file *file, const char __user *buf,
* were written before the count of the extents.
*
* To achieve this smp_wmb() is used on guarantee the write
* order and smp_read_barrier_depends() is guaranteed that we
* don't have crazy architectures returning stale data.
*
* order and smp_rmb() is guaranteed that we don't have crazy
* architectures returning stale data.
*/
mutex_lock(&id_map_mutex);

2
net/core/dev.c
View File

@ -2284,7 +2284,7 @@ EXPORT_SYMBOL(skb_checksum_help);
__be16 skb_network_protocol(struct sk_buff *skb, int *depth)
{
__be16 type = skb->protocol;
int vlan_depth = ETH_HLEN;
int vlan_depth = skb->mac_len;
/* Tunnel gso handlers can set protocol to ethernet. */
if (type == htons(ETH_P_TEB)) {

15
net/core/dst.c
View File

@ -142,12 +142,12 @@ loop:
mutex_unlock(&dst_gc_mutex);
}
int dst_discard(struct sk_buff *skb)
int dst_discard_sk(struct sock *sk, struct sk_buff *skb)
{
kfree_skb(skb);
return 0;
}
EXPORT_SYMBOL(dst_discard);
EXPORT_SYMBOL(dst_discard_sk);
const u32 dst_default_metrics[RTAX_MAX + 1] = {
/* This initializer is needed to force linker to place this variable
@ -184,7 +184,7 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
dst->xfrm = NULL;
#endif
dst->input = dst_discard;
dst->output = dst_discard;
dst->output = dst_discard_sk;
dst->error = 0;
dst->obsolete = initial_obsolete;
dst->header_len = 0;
@ -209,8 +209,10 @@ static void ___dst_free(struct dst_entry *dst)
/* The first case (dev==NULL) is required, when
protocol module is unloaded.
*/
if (dst->dev == NULL || !(dst->dev->flags&IFF_UP))
dst->input = dst->output = dst_discard;
if (dst->dev == NULL || !(dst->dev->flags&IFF_UP)) {
dst->input = dst_discard;
dst->output = dst_discard_sk;
}
dst->obsolete = DST_OBSOLETE_DEAD;
}
@ -361,7 +363,8 @@ static void dst_ifdown(struct dst_entry *dst, struct net_device *dev,
return;
if (!unregister) {
dst->input = dst->output = dst_discard;
dst->input = dst_discard;
dst->output = dst_discard_sk;
} else {
dst->dev = dev_net(dst->dev)->loopback_dev;
dev_hold(dst->dev);

9
net/core/filter.c
View File

@ -600,6 +600,9 @@ static u64 __skb_get_nlattr(u64 ctx, u64 A, u64 X, u64 r4, u64 r5)
if (skb_is_nonlinear(skb))
return 0;
if (skb->len < sizeof(struct nlattr))
return 0;
if (A > skb->len - sizeof(struct nlattr))
return 0;
@ -618,11 +621,14 @@ static u64 __skb_get_nlattr_nest(u64 ctx, u64 A, u64 X, u64 r4, u64 r5)
if (skb_is_nonlinear(skb))
return 0;
if (skb->len < sizeof(struct nlattr))
return 0;
if (A > skb->len - sizeof(struct nlattr))
return 0;
nla = (struct nlattr *) &skb->data[A];
if (nla->nla_len > A - skb->len)
if (nla->nla_len > skb->len - A)
return 0;
nla = nla_find_nested(nla, X);
@ -1737,7 +1743,6 @@ void sk_decode_filter(struct sock_filter *filt, struct sock_filter *to)
[BPF_S_ANC_RXHASH] = BPF_LD|BPF_B|BPF_ABS,
[BPF_S_ANC_CPU] = BPF_LD|BPF_B|BPF_ABS,
[BPF_S_ANC_ALU_XOR_X] = BPF_LD|BPF_B|BPF_ABS,
[BPF_S_ANC_SECCOMP_LD_W] = BPF_LD|BPF_B|BPF_ABS,
[BPF_S_ANC_VLAN_TAG] = BPF_LD|BPF_B|BPF_ABS,
[BPF_S_ANC_VLAN_TAG_PRESENT] = BPF_LD|BPF_B|BPF_ABS,
[BPF_S_ANC_PAY_OFFSET] = BPF_LD|BPF_B|BPF_ABS,

2
net/dccp/output.c
View File

@ -138,7 +138,7 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb)
DCCP_INC_STATS(DCCP_MIB_OUTSEGS);
err = icsk->icsk_af_ops->queue_xmit(skb, &inet->cork.fl);
err = icsk->icsk_af_ops->queue_xmit(sk, skb, &inet->cork.fl);
return net_xmit_eval(err);
}
return -ENOBUFS;

16
net/decnet/dn_route.c
View File

@ -752,7 +752,7 @@ static int dn_to_neigh_output(struct sk_buff *skb)
return n->output(n, skb);
}
static int dn_output(struct sk_buff *skb)
static int dn_output(struct sock *sk, struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
struct dn_route *rt = (struct dn_route *)dst;
@ -838,6 +838,18 @@ drop:
* Used to catch bugs. This should never normally get
* called.
*/
static int dn_rt_bug_sk(struct sock *sk, struct sk_buff *skb)
{
struct dn_skb_cb *cb = DN_SKB_CB(skb);
net_dbg_ratelimited("dn_rt_bug: skb from:%04x to:%04x\n",
le16_to_cpu(cb->src), le16_to_cpu(cb->dst));
kfree_skb(skb);
return NET_RX_DROP;
}
static int dn_rt_bug(struct sk_buff *skb)
{
struct dn_skb_cb *cb = DN_SKB_CB(skb);
@ -1463,7 +1475,7 @@ make_route:
rt->n = neigh;
rt->dst.lastuse = jiffies;
rt->dst.output = dn_rt_bug;
rt->dst.output = dn_rt_bug_sk;
switch (res.type) {
case RTN_UNICAST:
rt->dst.input = dn_forward;

16
net/ipv4/ip_output.c
View File

@ -101,17 +101,17 @@ int __ip_local_out(struct sk_buff *skb)
skb_dst(skb)->dev, dst_output);
}
int ip_local_out(struct sk_buff *skb)
int ip_local_out_sk(struct sock *sk, struct sk_buff *skb)
{
int err;
err = __ip_local_out(skb);
if (likely(err == 1))
err = dst_output(skb);
err = dst_output_sk(sk, skb);
return err;
}
EXPORT_SYMBOL_GPL(ip_local_out);
EXPORT_SYMBOL_GPL(ip_local_out_sk);
static inline int ip_select_ttl(struct inet_sock *inet, struct dst_entry *dst)
{
@ -226,9 +226,8 @@ static int ip_finish_output(struct sk_buff *skb)
return ip_finish_output2(skb);
}
int ip_mc_output(struct sk_buff *skb)
int ip_mc_output(struct sock *sk, struct sk_buff *skb)
{
struct sock *sk = skb->sk;
struct rtable *rt = skb_rtable(skb);
struct net_device *dev = rt->dst.dev;
@ -287,7 +286,7 @@ int ip_mc_output(struct sk_buff *skb)
!(IPCB(skb)->flags & IPSKB_REROUTED));
}
int ip_output(struct sk_buff *skb)
int ip_output(struct sock *sk, struct sk_buff *skb)
{
struct net_device *dev = skb_dst(skb)->dev;
@ -315,9 +314,9 @@ static void ip_copy_addrs(struct iphdr *iph, const struct flowi4 *fl4)
sizeof(fl4->saddr) + sizeof(fl4->daddr));
}
int ip_queue_xmit(struct sk_buff *skb, struct flowi *fl)
/* Note: skb->sk can be different from sk, in case of tunnels */
int ip_queue_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl)
{
struct sock *sk = skb->sk;
struct inet_sock *inet = inet_sk(sk);
struct ip_options_rcu *inet_opt;
struct flowi4 *fl4;
@ -389,6 +388,7 @@ packet_routed:
ip_select_ident_more(skb, &rt->dst, sk,
(skb_shinfo(skb)->gso_segs ?: 1) - 1);
/* TODO : should we use skb->sk here instead of sk ? */
skb->priority = sk->sk_priority;
skb->mark = sk->sk_mark;

2
net/ipv4/ip_tunnel.c
View File

@ -670,7 +670,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
return;
}
err = iptunnel_xmit(rt, skb, fl4.saddr, fl4.daddr, protocol,
err = iptunnel_xmit(skb->sk, rt, skb, fl4.saddr, fl4.daddr, protocol,
tos, ttl, df, !net_eq(tunnel->net, dev_net(dev)));
iptunnel_xmit_stats(err, &dev->stats, dev->tstats);

4
net/ipv4/ip_tunnel_core.c
View File

@ -46,7 +46,7 @@
#include <net/netns/generic.h>
#include <net/rtnetlink.h>
int iptunnel_xmit(struct rtable *rt, struct sk_buff *skb,
int iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb,
__be32 src, __be32 dst, __u8 proto,
__u8 tos, __u8 ttl, __be16 df, bool xnet)
{
@ -76,7 +76,7 @@ int iptunnel_xmit(struct rtable *rt, struct sk_buff *skb,
iph->ttl = ttl;
__ip_select_ident(iph, &rt->dst, (skb_shinfo(skb)->gso_segs ?: 1) - 1);
err = ip_local_out(skb);
err = ip_local_out_sk(sk, skb);
if (unlikely(net_xmit_eval(err)))
pkt_len = 0;
return pkt_len;

15
net/ipv4/ping.c
View File

@ -252,26 +252,33 @@ int ping_init_sock(struct sock *sk)
{
struct net *net = sock_net(sk);
kgid_t group = current_egid();
struct group_info *group_info = get_current_groups();
int i, j, count = group_info->ngroups;
struct group_info *group_info;
int i, j, count;
kgid_t low, high;
int ret = 0;
inet_get_ping_group_range_net(net, &low, &high);
if (gid_lte(low, group) && gid_lte(group, high))
return 0;
group_info = get_current_groups();
count = group_info->ngroups;
for (i = 0; i < group_info->nblocks; i++) {
int cp_count = min_t(int, NGROUPS_PER_BLOCK, count);
for (j = 0; j < cp_count; j++) {
kgid_t gid = group_info->blocks[i][j];
if (gid_lte(low, gid) && gid_lte(gid, high))
return 0;
goto out_release_group;
}
count -= cp_count;
}
return -EACCES;
ret = -EACCES;
out_release_group:
put_group_info(group_info);
return ret;
}
EXPORT_SYMBOL_GPL(ping_init_sock);

6
net/ipv4/route.c
View File

@ -1129,7 +1129,7 @@ static void ipv4_link_failure(struct sk_buff *skb)
dst_set_expires(&rt->dst, 0);
}
static int ip_rt_bug(struct sk_buff *skb)
static int ip_rt_bug(struct sock *sk, struct sk_buff *skb)
{
pr_debug("%s: %pI4 -> %pI4, %s\n",
__func__, &ip_hdr(skb)->saddr, &ip_hdr(skb)->daddr,
@ -2218,7 +2218,7 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or
new->__use = 1;
new->input = dst_discard;
new->output = dst_discard;
new->output = dst_discard_sk;
new->dev = ort->dst.dev;
if (new->dev)
@ -2357,7 +2357,7 @@ static int rt_fill_info(struct net *net, __be32 dst, __be32 src,
}
} else
#endif
if (nla_put_u32(skb, RTA_IIF, rt->rt_iif))
if (nla_put_u32(skb, RTA_IIF, skb->dev->ifindex))
goto nla_put_failure;
}

2
net/ipv4/tcp_output.c
View File

@ -981,7 +981,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
TCP_ADD_STATS(sock_net(sk), TCP_MIB_OUTSEGS,
tcp_skb_pcount(skb));
err = icsk->icsk_af_ops->queue_xmit(skb, &inet->cork.fl);
err = icsk->icsk_af_ops->queue_xmit(sk, skb, &inet->cork.fl);
if (likely(err <= 0))
return err;

2
net/ipv4/xfrm4_output.c
View File

@ -86,7 +86,7 @@ int xfrm4_output_finish(struct sk_buff *skb)
return xfrm_output(skb);
}
int xfrm4_output(struct sk_buff *skb)
int xfrm4_output(struct sock *sk, struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
struct xfrm_state *x = dst->xfrm;

3
net/ipv6/inet6_connection_sock.c
View File

@ -224,9 +224,8 @@ static struct dst_entry *inet6_csk_route_socket(struct sock *sk,
return dst;
}
int inet6_csk_xmit(struct sk_buff *skb, struct flowi *fl_unused)
int inet6_csk_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl_unused)
{
struct sock *sk = skb->sk;
struct ipv6_pinfo *np = inet6_sk(sk);
struct flowi6 fl6;
struct dst_entry *dst;

Some files were not shown because too many files have changed in this diff Show More