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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

Browse Source 
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sunxvr500: Ignore secondary output PCI devices.
  sparc64: Implement perf_arch_fetch_caller_regs
  sparc64: Update defconfig.
  sparc64: Fix array size reported by vmemmap_populate()
  sparc: Fix regset register window handling.
  drivers/serial/sunsu.c: Correct use after free
This commit is contained in:
Linus Torvalds 2010-04-04 12:14:44 -07:00
commit db217dece3
7 changed files with 120 additions and 21 deletions
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28
arch/sparc/configs/sparc64_defconfig
View File

@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.33
# Wed Mar 3 02:54:29 2010
# Linux kernel version: 2.6.34-rc3
# Sat Apr 3 15:49:56 2010
#
CONFIG_64BIT=y
CONFIG_SPARC=y
@ -23,6 +23,7 @@ CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y
CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK=y
CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
CONFIG_MMU=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_ARCH_NO_VIRT_TO_BUS=y
CONFIG_OF=y
CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
@ -439,6 +440,7 @@ CONFIG_MISC_DEVICES=y
# CONFIG_ENCLOSURE_SERVICES is not set
# CONFIG_HP_ILO is not set
# CONFIG_ISL29003 is not set
# CONFIG_SENSORS_TSL2550 is not set
# CONFIG_DS1682 is not set
# CONFIG_C2PORT is not set
@ -511,6 +513,7 @@ CONFIG_BLK_DEV_IDEDMA=y
#
# SCSI device support
#
CONFIG_SCSI_MOD=y
CONFIG_RAID_ATTRS=m
CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
@ -888,6 +891,7 @@ CONFIG_SERIAL_SUNHV=y
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_JSM is not set
# CONFIG_SERIAL_TIMBERDALE is not set
# CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set
CONFIG_UNIX98_PTYS=y
# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
@ -935,6 +939,7 @@ CONFIG_I2C_ALGOBIT=y
#
# CONFIG_I2C_OCORES is not set
# CONFIG_I2C_SIMTEC is not set
# CONFIG_I2C_XILINX is not set
#
# External I2C/SMBus adapter drivers
@ -948,15 +953,9 @@ CONFIG_I2C_ALGOBIT=y
#
# CONFIG_I2C_PCA_PLATFORM is not set
# CONFIG_I2C_STUB is not set
#
# Miscellaneous I2C Chip support
#
# CONFIG_SENSORS_TSL2550 is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
# CONFIG_I2C_DEBUG_CHIP is not set
# CONFIG_SPI is not set
#
@ -982,10 +981,11 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_ADM1029 is not set
# CONFIG_SENSORS_ADM1031 is not set
# CONFIG_SENSORS_ADM9240 is not set
# CONFIG_SENSORS_ADT7411 is not set
# CONFIG_SENSORS_ADT7462 is not set
# CONFIG_SENSORS_ADT7470 is not set
# CONFIG_SENSORS_ADT7473 is not set
# CONFIG_SENSORS_ADT7475 is not set
# CONFIG_SENSORS_ASC7621 is not set
# CONFIG_SENSORS_ATXP1 is not set
# CONFIG_SENSORS_DS1621 is not set
# CONFIG_SENSORS_I5K_AMB is not set
@ -1052,18 +1052,21 @@ CONFIG_SSB_POSSIBLE=y
# Multifunction device drivers
#
# CONFIG_MFD_CORE is not set
# CONFIG_MFD_88PM860X is not set
# CONFIG_MFD_SM501 is not set
# CONFIG_HTC_PASIC3 is not set
# CONFIG_TWL4030_CORE is not set
# CONFIG_MFD_TMIO is not set
# CONFIG_PMIC_DA903X is not set
# CONFIG_PMIC_ADP5520 is not set
# CONFIG_MFD_MAX8925 is not set
# CONFIG_MFD_WM8400 is not set
# CONFIG_MFD_WM831X is not set
# CONFIG_MFD_WM8350_I2C is not set
# CONFIG_MFD_WM8994 is not set
# CONFIG_MFD_PCF50633 is not set
# CONFIG_AB3100_CORE is not set
# CONFIG_MFD_88PM8607 is not set
# CONFIG_LPC_SCH is not set
# CONFIG_REGULATOR is not set
# CONFIG_MEDIA_SUPPORT is not set
@ -1113,6 +1116,7 @@ CONFIG_FB_FFB=y
# CONFIG_FB_LEO is not set
CONFIG_FB_XVR500=y
CONFIG_FB_XVR2500=y
CONFIG_FB_XVR1000=y
# CONFIG_FB_S1D13XXX is not set
# CONFIG_FB_NVIDIA is not set
# CONFIG_FB_RIVA is not set
@ -1430,7 +1434,6 @@ CONFIG_USB_STORAGE=m
# CONFIG_USB_RIO500 is not set
# CONFIG_USB_LEGOTOWER is not set
# CONFIG_USB_LCD is not set
# CONFIG_USB_BERRY_CHARGE is not set
# CONFIG_USB_LED is not set
# CONFIG_USB_CYPRESS_CY7C63 is not set
# CONFIG_USB_CYTHERM is not set
@ -1443,7 +1446,6 @@ CONFIG_USB_STORAGE=m
# CONFIG_USB_IOWARRIOR is not set
# CONFIG_USB_TEST is not set
# CONFIG_USB_ISIGHTFW is not set
# CONFIG_USB_VST is not set
# CONFIG_USB_GADGET is not set
#
@ -1610,6 +1612,7 @@ CONFIG_MISC_FILESYSTEMS=y
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_LOGFS is not set
# CONFIG_CRAMFS is not set
# CONFIG_SQUASHFS is not set
# CONFIG_VXFS_FS is not set
@ -1624,6 +1627,7 @@ CONFIG_NETWORK_FILESYSTEMS=y
# CONFIG_NFS_FS is not set
# CONFIG_NFSD is not set
# CONFIG_SMB_FS is not set
# CONFIG_CEPH_FS is not set
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set

75
arch/sparc/kernel/helpers.S
View File

@ -46,6 +46,81 @@ stack_trace_flush:
nop
.size stack_trace_flush,.-stack_trace_flush
#ifdef CONFIG_PERF_EVENTS
.globl perf_arch_fetch_caller_regs
.type perf_arch_fetch_caller_regs,#function
perf_arch_fetch_caller_regs:
/* We always read the %pstate into %o5 since we will use
* that to construct a fake %tstate to store into the regs.
*/
rdpr %pstate, %o5
brz,pn %o2, 50f
mov %o2, %g7
/* Turn off interrupts while we walk around the register
* window by hand.
*/
wrpr %o5, PSTATE_IE, %pstate
/* The %canrestore tells us how many register windows are
* still live in the chip above us, past that we have to
* walk the frame as saved on the stack. We stash away
* the %cwp in %g1 so we can return back to the original
* register window.
*/
rdpr %cwp, %g1
rdpr %canrestore, %g2
sub %g1, 1, %g3
/* We have the skip count in %g7, if it hits zero then
* %fp/%i7 are the registers we need. Otherwise if our
* %canrestore count maintained in %g2 hits zero we have
* to start traversing the stack.
*/
10: brz,pn %g2, 4f
sub %g2, 1, %g2
wrpr %g3, %cwp
subcc %g7, 1, %g7
bne,pt %xcc, 10b
sub %g3, 1, %g3
/* We found the values we need in the cpu's register
* windows.
*/
mov %fp, %g3
ba,pt %xcc, 3f
mov %i7, %g2
50: mov %fp, %g3
ba,pt %xcc, 2f
mov %i7, %g2
/* We hit the end of the valid register windows in the
* cpu, start traversing the stack frame.
*/
4: mov %fp, %g3
20: ldx [%g3 + STACK_BIAS + RW_V9_I7], %g2
subcc %g7, 1, %g7
bne,pn %xcc, 20b
ldx [%g3 + STACK_BIAS + RW_V9_I6], %g3
/* Restore the current register window position and
* re-enable interrupts.
*/
3: wrpr %g1, %cwp
wrpr %o5, %pstate
2: stx %g3, [%o0 + PT_V9_FP]
sllx %o5, 8, %o5
stx %o5, [%o0 + PT_V9_TSTATE]
stx %g2, [%o0 + PT_V9_TPC]
add %g2, 4, %g2
retl
stx %g2, [%o0 + PT_V9_TNPC]
.size perf_arch_fetch_caller_regs,.-perf_arch_fetch_caller_regs
#endif /* CONFIG_PERF_EVENTS */
#ifdef CONFIG_SMP
.globl hard_smp_processor_id
.type hard_smp_processor_id,#function

4
arch/sparc/kernel/ptrace_32.c
View File

@ -65,6 +65,7 @@ static int genregs32_get(struct task_struct *target,
*k++ = regs->u_regs[pos++];
reg_window = (unsigned long __user *) regs->u_regs[UREG_I6];
reg_window -= 16;
for (; count > 0 && pos < 32; count--) {
if (get_user(*k++, &reg_window[pos++]))
return -EFAULT;
@ -76,6 +77,7 @@ static int genregs32_get(struct task_struct *target,
}
reg_window = (unsigned long __user *) regs->u_regs[UREG_I6];
reg_window -= 16;
for (; count > 0 && pos < 32; count--) {
if (get_user(reg, &reg_window[pos++]) ||
put_user(reg, u++))
@ -141,6 +143,7 @@ static int genregs32_set(struct task_struct *target,
regs->u_regs[pos++] = *k++;
reg_window = (unsigned long __user *) regs->u_regs[UREG_I6];
reg_window -= 16;
for (; count > 0 && pos < 32; count--) {
if (put_user(*k++, &reg_window[pos++]))
return -EFAULT;
@ -153,6 +156,7 @@ static int genregs32_set(struct task_struct *target,
}
reg_window = (unsigned long __user *) regs->u_regs[UREG_I6];
reg_window -= 16;
for (; count > 0 && pos < 32; count--) {
if (get_user(reg, u++) ||
put_user(reg, &reg_window[pos++]))

4
arch/sparc/kernel/ptrace_64.c
View File

@ -492,6 +492,7 @@ static int genregs32_get(struct task_struct *target,
*k++ = regs->u_regs[pos++];
reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6];
reg_window -= 16;
if (target == current) {
for (; count > 0 && pos < 32; count--) {
if (get_user(*k++, &reg_window[pos++]))
@ -516,6 +517,7 @@ static int genregs32_get(struct task_struct *target,
}
reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6];
reg_window -= 16;
if (target == current) {
for (; count > 0 && pos < 32; count--) {
if (get_user(reg, &reg_window[pos++]) ||
@ -599,6 +601,7 @@ static int genregs32_set(struct task_struct *target,
regs->u_regs[pos++] = *k++;
reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6];
reg_window -= 16;
if (target == current) {
for (; count > 0 && pos < 32; count--) {
if (put_user(*k++, &reg_window[pos++]))
@ -625,6 +628,7 @@ static int genregs32_set(struct task_struct *target,
}
reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6];
reg_window -= 16;
if (target == current) {
for (; count > 0 && pos < 32; count--) {
if (get_user(reg, u++) ||

2
arch/sparc/mm/init_64.c
View File

@ -2117,7 +2117,7 @@ int __meminit vmemmap_populate(struct page *start, unsigned long nr, int node)
"node=%d entry=%lu/%lu\n", start, block, nr,
node,
addr >> VMEMMAP_CHUNK_SHIFT,
VMEMMAP_SIZE >> VMEMMAP_CHUNK_SHIFT);
VMEMMAP_SIZE);
}
}
return 0;

4
drivers/serial/sunsu.c
View File

@ -1453,8 +1453,10 @@ static int __devinit su_probe(struct of_device *op, const struct of_device_id *m
if (up->su_type == SU_PORT_KBD || up->su_type == SU_PORT_MS) {
err = sunsu_kbd_ms_init(up);
if (err) {
of_iounmap(&op->resource[0],
up->port.membase, up->reg_size);
kfree(up);
goto out_unmap;
return err;
}
dev_set_drvdata(&op->dev, up);

24
drivers/video/sunxvr500.c
View File

@ -242,11 +242,27 @@ static int __devinit e3d_set_fbinfo(struct e3d_info *ep)
static int __devinit e3d_pci_register(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
struct device_node *of_node;
const char *device_type;
struct fb_info *info;
struct e3d_info *ep;
unsigned int line_length;
int err;
of_node = pci_device_to_OF_node(pdev);
if (!of_node) {
printk(KERN_ERR "e3d: Cannot find OF node of %s\n",
pci_name(pdev));
return -ENODEV;
}
device_type = of_get_property(of_node, "device_type", NULL);
if (!device_type) {
printk(KERN_INFO "e3d: Ignoring secondary output device "
"at %s\n", pci_name(pdev));
return -ENODEV;
}
err = pci_enable_device(pdev);
if (err < 0) {
printk(KERN_ERR "e3d: Cannot enable PCI device %s\n",
@ -265,13 +281,7 @@ static int __devinit e3d_pci_register(struct pci_dev *pdev,
ep->info = info;
ep->pdev = pdev;
spin_lock_init(&ep->lock);
ep->of_node = pci_device_to_OF_node(pdev);
if (!ep->of_node) {
printk(KERN_ERR "e3d: Cannot find OF node of %s\n",
pci_name(pdev));
err = -ENODEV;
goto err_release_fb;
}
ep->of_node = of_node;
/* Read the PCI base register of the frame buffer, which we
* need in order to interpret the RAMDAC_VID_*FB* values in