tlbmiss_handler_setup_pgd is run-time generated code and it was convenient
to pretend the symbol was an array in the generator but a function for
the users. LTO gcc won't tolerate this kind of lie anymore so solve the
problem through a cast and function pointer instead.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
The code was written as it is because it's more expressive, a bit easier.
But it's always been dirty, if not a bug. But we can't cheat with LTO
compilers, so this results in:
[...]
LDFINAL vmlinux.o
In file included from arch/mips/kernel/topology.c:604:0,
from arch/mips/kernel/time.c:212,
from arch/mips/kernel/syscall.c:300,
from arch/mips/kernel/signal.c:853,
from arch/mips/kernel/setup.c:1030,
from arch/mips/kernel/reset.c:354,
from arch/mips/kernel/ptrace.c:562,
from arch/mips/kernel/process.c:770,
from arch/mips/kernel/irq.c:350,
from arch/mips/kernel/branch.c:321,
from arch/mips/kernel/cpu-probe.c:1370,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:345,
from arch/mips/sgi-ip22/ip22-gio.c:660,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/sgialib.h:219,
from arch/mips/sgi-ip22/ip22-reset.c:224,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/paccess.h:116,
from arch/mips/sgi-ip22/ip22-nvram.c:334,
from include/linux/kernel_stat.h:79,
from arch/mips/sgi-ip22/ip22-int.c:592,
from arch/mips/sgi-ip22/ip22-hpc.c:470,
from arch/mips/sgi-ip22/ip22-mc.c:135,
from init/init_task.c:54,
from init/calibrate.c:744,
from init/noinitramfs.c:62,
from init/do_mounts.c:573,
from init/version.c:1009,
from init/main.c:777,
from :729:
arch/mips/kernel/traps.c:63:49: error: variable ‘handle_tlbl’ redeclared as function
In file included from arch/mips/mm/page.c:310:0,
from arch/mips/mm/mmap.c:208,
from arch/mips/mm/init.c:641,
from arch/mips/mm/gup.c:811,
from arch/mips/mm/fault.c:659,
from include/linux/module.h:682,
from arch/mips/mm/dma-default.c:161,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:397,
from arch/mips/kernel/i8253.c:538,
from arch/mips/kernel/proc.c:145,
from arch/mips/kernel/irq_cpu.c:129,
from arch/mips/kernel/i8259.c:229,
from include/uapi/linux/elf.h:251,
from arch/mips/kernel/mips_ksyms.c:129,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/time.h:50,
from arch/mips/kernel/cevt-r4k.c:90,
from arch/mips/kernel/vdso.c:136,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:351,
from arch/mips/kernel/unaligned.c:809,
from arch/mips/kernel/traps.c:1720,
from arch/mips/kernel/topology.c:684,
from arch/mips/kernel/time.c:212,
from arch/mips/kernel/syscall.c:300,
from arch/mips/kernel/signal.c:853,
from arch/mips/kernel/setup.c:1030,
from arch/mips/kernel/reset.c:354,
from arch/mips/kernel/ptrace.c:562,
from arch/mips/kernel/process.c:770,
from arch/mips/kernel/irq.c:350,
from arch/mips/kernel/branch.c:321,
from arch/mips/kernel/cpu-probe.c:1370,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:345,
from arch/mips/sgi-ip22/ip22-gio.c:660,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/sgialib.h:219,
from arch/mips/sgi-ip22/ip22-reset.c:224,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/paccess.h:116,
from arch/mips/sgi-ip22/ip22-nvram.c:334,
from include/linux/kernel_stat.h:79,
from arch/mips/sgi-ip22/ip22-int.c:592,
from arch/mips/sgi-ip22/ip22-hpc.c:470,
from arch/mips/sgi-ip22/ip22-mc.c:135,
from init/init_task.c:54,
from init/calibrate.c:744,
from init/noinitramfs.c:62,
from init/do_mounts.c:573,
from init/version.c:1009,
from init/main.c:777,
from :729:
arch/mips/mm/tlbex.c:1448:5: note: previously declared here
In file included from arch/mips/kernel/topology.c:604:0,
from arch/mips/kernel/time.c:212,
from arch/mips/kernel/syscall.c:300,
from arch/mips/kernel/signal.c:853,
from arch/mips/kernel/setup.c:1030,
from arch/mips/kernel/reset.c:354,
from arch/mips/kernel/ptrace.c:562,
from arch/mips/kernel/process.c:770,
from arch/mips/kernel/irq.c:350,
from arch/mips/kernel/branch.c:321,
from arch/mips/kernel/cpu-probe.c:1370,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:345,
from arch/mips/sgi-ip22/ip22-gio.c:660,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/sgialib.h:219,
from arch/mips/sgi-ip22/ip22-reset.c:224,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/paccess.h:116,
from arch/mips/sgi-ip22/ip22-nvram.c:334,
from include/linux/kernel_stat.h:79,
from arch/mips/sgi-ip22/ip22-int.c:592,
from arch/mips/sgi-ip22/ip22-hpc.c:470,
from arch/mips/sgi-ip22/ip22-mc.c:135,
from init/init_task.c:54,
from init/calibrate.c:744,
from init/noinitramfs.c:62,
from init/do_mounts.c:573,
from init/version.c:1009,
from init/main.c:777,
from :729:
arch/mips/kernel/traps.c:62:49: error: variable ‘handle_tlbm’ redeclared as function
In file included from arch/mips/mm/page.c:310:0,
from arch/mips/mm/mmap.c:208,
from arch/mips/mm/init.c:641,
from arch/mips/mm/gup.c:811,
from arch/mips/mm/fault.c:659,
from include/linux/module.h:682,
from arch/mips/mm/dma-default.c:161,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:397,
from arch/mips/kernel/i8253.c:538,
from arch/mips/kernel/proc.c:145,
from arch/mips/kernel/irq_cpu.c:129,
from arch/mips/kernel/i8259.c:229,
from include/uapi/linux/elf.h:251,
from arch/mips/kernel/mips_ksyms.c:129,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/time.h:50,
from arch/mips/kernel/cevt-r4k.c:90,
from arch/mips/kernel/vdso.c:136,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:351,
from arch/mips/kernel/unaligned.c:809,
from arch/mips/kernel/traps.c:1720,
from arch/mips/kernel/topology.c:684,
from arch/mips/kernel/time.c:212,
from arch/mips/kernel/syscall.c:300,
from arch/mips/kernel/signal.c:853,
from arch/mips/kernel/setup.c:1030,
from arch/mips/kernel/reset.c:354,
from arch/mips/kernel/ptrace.c:562,
from arch/mips/kernel/process.c:770,
from arch/mips/kernel/irq.c:350,
from arch/mips/kernel/branch.c:321,
from arch/mips/kernel/cpu-probe.c:1370,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:345,
from arch/mips/sgi-ip22/ip22-gio.c:660,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/sgialib.h:219,
from arch/mips/sgi-ip22/ip22-reset.c:224,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/paccess.h:116,
from arch/mips/sgi-ip22/ip22-nvram.c:334,
from include/linux/kernel_stat.h:79,
from arch/mips/sgi-ip22/ip22-int.c:592,
from arch/mips/sgi-ip22/ip22-hpc.c:470,
from arch/mips/sgi-ip22/ip22-mc.c:135,
from init/init_task.c:54,
from init/calibrate.c:744,
from init/noinitramfs.c:62,
from init/do_mounts.c:573,
from init/version.c:1009,
from init/main.c:777,
from :729:
arch/mips/mm/tlbex.c:1450:5: note: previously declared here
In file included from arch/mips/kernel/topology.c:604:0,
from arch/mips/kernel/time.c:212,
from arch/mips/kernel/syscall.c:300,
from arch/mips/kernel/signal.c:853,
from arch/mips/kernel/setup.c:1030,
from arch/mips/kernel/reset.c:354,
from arch/mips/kernel/ptrace.c:562,
from arch/mips/kernel/process.c:770,
from arch/mips/kernel/irq.c:350,
from arch/mips/kernel/branch.c:321,
from arch/mips/kernel/cpu-probe.c:1370,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:345,
from arch/mips/sgi-ip22/ip22-gio.c:660,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/sgialib.h:219,
from arch/mips/sgi-ip22/ip22-reset.c:224,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/paccess.h:116,
from arch/mips/sgi-ip22/ip22-nvram.c:334,
from include/linux/kernel_stat.h:79,
from arch/mips/sgi-ip22/ip22-int.c:592,
from arch/mips/sgi-ip22/ip22-hpc.c:470,
from arch/mips/sgi-ip22/ip22-mc.c:135,
from init/init_task.c:54,
from init/calibrate.c:744,
from init/noinitramfs.c:62,
from init/do_mounts.c:573,
from init/version.c:1009,
from init/main.c:777,
from :729:
arch/mips/kernel/traps.c:64:49: error: variable ‘handle_tlbs’ redeclared as function
In file included from arch/mips/mm/page.c:310:0,
from arch/mips/mm/mmap.c:208,
from arch/mips/mm/init.c:641,
from arch/mips/mm/gup.c:811,
from arch/mips/mm/fault.c:659,
from include/linux/module.h:682,
from arch/mips/mm/dma-default.c:161,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:397,
from arch/mips/kernel/i8253.c:538,
from arch/mips/kernel/proc.c:145,
from arch/mips/kernel/irq_cpu.c:129,
from arch/mips/kernel/i8259.c:229,
from include/uapi/linux/elf.h:251,
from arch/mips/kernel/mips_ksyms.c:129,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/time.h:50,
from arch/mips/kernel/cevt-r4k.c:90,
from arch/mips/kernel/vdso.c:136,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:351,
from arch/mips/kernel/unaligned.c:809,
from arch/mips/kernel/traps.c:1720,
from arch/mips/kernel/topology.c:684,
from arch/mips/kernel/time.c:212,
from arch/mips/kernel/syscall.c:300,
from arch/mips/kernel/signal.c:853,
from arch/mips/kernel/setup.c:1030,
from arch/mips/kernel/reset.c:354,
from arch/mips/kernel/ptrace.c:562,
from arch/mips/kernel/process.c:770,
from arch/mips/kernel/irq.c:350,
from arch/mips/kernel/branch.c:321,
from arch/mips/kernel/cpu-probe.c:1370,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/thread_info.h:345,
from arch/mips/sgi-ip22/ip22-gio.c:660,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/sgialib.h:219,
from arch/mips/sgi-ip22/ip22-reset.c:224,
from /fluff/home/ralf/src/linux/lto/linux-misc/arch/mips/include/asm/paccess.h:116,
from arch/mips/sgi-ip22/ip22-nvram.c:334,
from include/linux/kernel_stat.h:79,
from arch/mips/sgi-ip22/ip22-int.c:592,
from arch/mips/sgi-ip22/ip22-hpc.c:470,
from arch/mips/sgi-ip22/ip22-mc.c:135,
from init/init_task.c:54,
from init/calibrate.c:744,
from init/noinitramfs.c:62,
from init/do_mounts.c:573,
from init/version.c:1009,
from init/main.c:777,
from :729:
arch/mips/mm/tlbex.c:1449:5: note: previously declared here
lto1: fatal error: errors during merging of translation units
compilation terminated.
lto-wrapper: /usr/bin/mips-linux-gcc returned 1 exit status
/usr/lib64/gcc/mips-linux/4.7.1/../../../../mips-linux/bin/ld: lto-wrapper failed
collect2: error: ld returned 1 exit status
make: *** [vmlinux] Error 1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
With LTE this fixes this issue:
LDFINAL vmlinux.o
arch/mips/built-in.o (symbol from plugin): In function `sgimc_init':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
kernel/built-in.o (symbol from plugin): In function `get_task_mm':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
mm/built-in.o (symbol from plugin): In function `iov_iter_single_seg_count':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
fs/built-in.o (symbol from plugin): In function `finish_no_open':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
ipc/built-in.o (symbol from plugin): In function `ipc_init_ids':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
security/built-in.o (symbol from plugin): In function `key_schedule_gc':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
crypto/built-in.o (symbol from plugin): In function `crypto_find_alg':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
block/built-in.o (symbol from plugin): In function `elv_rb_find':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
argv_split.o (symbol from plugin): In function `argv_free':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
dec_and_lock.o (symbol from plugin): In function `_atomic_dec_and_lock':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
extable.o (symbol from plugin): In function `sort_extable':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
flex_proportions.o (symbol from plugin): In function `fprop_global_init':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
idr.o (symbol from plugin): In function `idr_for_each':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
is_single_threaded.o (symbol from plugin): In function `current_is_single_threaded':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
kobject.o (symbol from plugin): In function `kobject_get':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
kobject_uevent.o (symbol from plugin): In function `add_uevent_var':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
plist.o (symbol from plugin): In function `plist_add':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
radix-tree.o (symbol from plugin): In function `radix_tree_lookup_slot':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
ratelimit.o (symbol from plugin): In function `___ratelimit':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
rwsem-spinlock.o (symbol from plugin): In function `__init_rwsem':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
show_mem.o (symbol from plugin): In function `show_mem':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
timerqueue.o (symbol from plugin): In function `timerqueue_iterate_next':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
vsprintf.o (symbol from plugin): In function `simple_strtoull':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
delay.o (symbol from plugin): In function `__delay':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
mips-atomic.o (symbol from plugin): In function `arch_local_irq_disable':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
uncached.o (symbol from plugin): In function `run_uncached':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
lib/built-in.o (symbol from plugin): In function `_bcd2bin':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
arch/mips/lib/built-in.o (symbol from plugin): In function `ioread8':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
drivers/built-in.o (symbol from plugin): In function `fb_notifier_call_chain':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
net/built-in.o (symbol from plugin): In function `sock_from_file':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
klist.o (symbol from plugin): In function `klist_init':
(.text+0x0): multiple definition of `$28'
init/built-in.o (symbol from plugin):(.text+0x0): first defined here
It also makes the code a little more readable, so let's merge it.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
With the addition of transparent huge pages, pgtable.h uses struct page.
However, it is possible to include pgtable.h without anything defining
struct page. So add the include to get it.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
All synthesizable CPU cores that could be loaded into a SEAD3's FPGA are
MIPS32 or MIPS64 CPUs that have ll/sc.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Commit f7ade3c168 ("MIPS: Get rid of
CONFIG_CPU_HAS_LLSC") did what it promised to do. But since then that
macro and its Kconfig symbol popped up again. Get rid of those again.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Cc: Jonas Gorski <jogo@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/4978/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
The MIPS implementation of transparent huge-pages (THP) is 64-bit only,
and of course also requires that the CPU supports huge-pages.
Currently it's entirely possible to enable THP in other configurations,
which then fail to build due to pfn_pmd() not being defined.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: linux-mips@linux-mips.org
Acked-by: David Daney <david.daney@cavium.com>
Patchwork: https://patchwork.linux-mips.org/patch/4972/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
commit 92d11594f6 (MIPS: Remove irqflags.h dependency from bitops.h)
factored some of the bitops code out into a separate file
(arch/mips/lib/bitops.c). Unfortunately the logic converting a bit
mask into a boolean result was lost in some of the functions. We had:
int res;
unsigned long shifted_result_bit;
.
.
.
res = shifted_result_bit;
return res;
Which truncates off the high 32 bits (thus yielding an incorrect
value) on 64-bit systems.
The manifestation of this is that a non-SMP 64-bit kernel will not
boot as the bitmap operations in bootmem.c are all screwed up.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: Jim Quinlan <jim2101024@gmail.com>
Cc: stable@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/4965/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
The csum_partial implementation contain optimalizations for the MIPS R2
instruction set. This optimization is never enabled however because the
if directive uses the CPU_MIPSR2 constant which is not defined anywhere.
Use the CONFIG_CPU_MIPSR2 constant instead.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4971/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Pull watchdog updates from Wim Van Sebroeck:
"This contains:
- fixes and improvements
- devicetree bindings
- conversion to watchdog generic framework of the following drivers:
- booke_wdt
- bcm47xx_wdt.c
- at91sam9_wdt
- Removal of old STMP3xxx driver
- Addition of following new drivers:
- new driver for STMP3xxx and i.MX23/28
- Retu watchdog driver"
* git://www.linux-watchdog.org/linux-watchdog: (30 commits)
watchdog: sp805_wdt depends on ARM
watchdog: davinci_wdt: update to devm_* API
watchdog: davinci_wdt: use devm managed clk get
watchdog: at91rm9200: add DT support
watchdog: add timeout-sec property binding
watchdog: at91sam9_wdt: Convert to use the watchdog framework
watchdog: omap_wdt: Add option nowayout
watchdog: core: dt: add support for the timeout-sec dt property
watchdog: bcm47xx_wdt.c: add hard timer
watchdog: bcm47xx_wdt.c: rename wdt_time to timeout
watchdog: bcm47xx_wdt.c: rename ops methods
watchdog: bcm47xx_wdt.c: use platform device
watchdog: bcm47xx_wdt.c: convert to watchdog core api
watchdog: Convert BookE watchdog driver to watchdog infrastructure
watchdog: s3c2410_wdt: Use devm_* functions
watchdog: remove old STMP3xxx driver
watchdog: add new driver for STMP3xxx and i.MX23/28
rtc: stmp3xxx: add wdt-accessor function
watchdog: introduce retu_wdt driver
watchdog: intel_scu_watchdog: fix Kconfig dependency
...
Pull signal/compat fixes from Al Viro:
"Fixes for several regressions introduced in the last signal.git pile,
along with fixing bugs in truncate and ftruncate compat (on just about
anything biarch at least one of those two had been done wrong)."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal:
compat: restore timerfd settime and gettime compat syscalls
[regression] braino in "sparc: convert to ksignal"
fix compat truncate/ftruncate
switch lseek to COMPAT_SYSCALL_DEFINE
lseek() and truncate() on sparc really need sign extension
Pull MIPS updates from Ralf Baechle:
o Add basic support for the Mediatek/Ralink Wireless SoC family.
o The Qualcomm Atheros platform is extended by support for the new
QCA955X SoC series as well as a bunch of patches that get the code
ready for OF support.
o Lantiq and BCM47XX platform have a few improvements and bug fixes.
o MIPS has sent a few patches that get the kernel ready for the
upcoming microMIPS support.
o The rest of the series is made up of small bug fixes and cleanups
that relate to various parts of the MIPS code. The biggy in there is
a whitespace cleanup. After I was sent another set of whitespace
cleanup patches I decided it was the time to clean the whitespace
"issues" for once and and that touches many files below arch/mips/.
Fix up silly conflicts, mostly due to whitespace cleanups.
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (105 commits)
MIPS: Quit exporting kernel internel break codes to uapi/asm/break.h
MIPS: remove broken conditional inside vpe loader code
MIPS: SMTC: fix implicit declaration of set_vi_handler
MIPS: early_printk: drop __init annotations
MIPS: Probe for and report hardware virtualization support.
MIPS: ath79: add support for the Qualcomm Atheros AP136-010 board
MIPS: ath79: add USB controller registration code for the QCA955X SoCs
MIPS: ath79: add PCI controller registration code for the QCA955X SoCs
MIPS: ath79: add WMAC registration code for the QCA955X SoCs
MIPS: ath79: register UART for the QCA955X SoCs
MIPS: ath79: add QCA955X specific glue to ath79_device_reset_{set, clear}
MIPS: ath79: add GPIO setup code for the QCA955X SoCs
MIPS: ath79: add IRQ handling code for the QCA955X SoCs
MIPS: ath79: add clock setup code for the QCA955X SoCs
MIPS: ath79: add SoC detection code for the QCA955X SoCs
MIPS: ath79: add early printk support for the QCA955X SoCs
MIPS: ath79: fix WMAC IRQ resource assignment
mips: reserve elfcorehdr
mips: Make sure kernel memory is in iomem
MIPS: ath79: use dynamically allocated USB platform devices
...
The ath79_wdt driver uses a fixed memory address
currently. Although this is working with each
currently supported SoCs, but this may change
in the future. Additionally, the driver includes
platform specific header files in order to be
able to get the memory base of the watchdog
device.
The patch adds a memory resource to the platform
device, and converts the driver to get the base
address of the watchdog device from that.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Remove the static watchdog device variable and use
the 'platform_device_register_simple' helper to
allocate and register the device in one step.
This allows us to save a few bytes in the kernel image.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
I'm not sure why, but the hlist for each entry iterators were conceived
list_for_each_entry(pos, head, member)
The hlist ones were greedy and wanted an extra parameter:
hlist_for_each_entry(tpos, pos, head, member)
Why did they need an extra pos parameter? I'm not quite sure. Not only
they don't really need it, it also prevents the iterator from looking
exactly like the list iterator, which is unfortunate.
Besides the semantic patch, there was some manual work required:
- Fix up the actual hlist iterators in linux/list.h
- Fix up the declaration of other iterators based on the hlist ones.
- A very small amount of places were using the 'node' parameter, this
was modified to use 'obj->member' instead.
- Coccinelle didn't handle the hlist_for_each_entry_safe iterator
properly, so those had to be fixed up manually.
The semantic patch which is mostly the work of Peter Senna Tschudin is here:
@@
iterator name hlist_for_each_entry, hlist_for_each_entry_continue, hlist_for_each_entry_from, hlist_for_each_entry_rcu, hlist_for_each_entry_rcu_bh, hlist_for_each_entry_continue_rcu_bh, for_each_busy_worker, ax25_uid_for_each, ax25_for_each, inet_bind_bucket_for_each, sctp_for_each_hentry, sk_for_each, sk_for_each_rcu, sk_for_each_from, sk_for_each_safe, sk_for_each_bound, hlist_for_each_entry_safe, hlist_for_each_entry_continue_rcu, nr_neigh_for_each, nr_neigh_for_each_safe, nr_node_for_each, nr_node_for_each_safe, for_each_gfn_indirect_valid_sp, for_each_gfn_sp, for_each_host;
type T;
expression a,c,d,e;
identifier b;
statement S;
@@
-T b;
<+... when != b
(
hlist_for_each_entry(a,
- b,
c, d) S
|
hlist_for_each_entry_continue(a,
- b,
c) S
|
hlist_for_each_entry_from(a,
- b,
c) S
|
hlist_for_each_entry_rcu(a,
- b,
c, d) S
|
hlist_for_each_entry_rcu_bh(a,
- b,
c, d) S
|
hlist_for_each_entry_continue_rcu_bh(a,
- b,
c) S
|
for_each_busy_worker(a, c,
- b,
d) S
|
ax25_uid_for_each(a,
- b,
c) S
|
ax25_for_each(a,
- b,
c) S
|
inet_bind_bucket_for_each(a,
- b,
c) S
|
sctp_for_each_hentry(a,
- b,
c) S
|
sk_for_each(a,
- b,
c) S
|
sk_for_each_rcu(a,
- b,
c) S
|
sk_for_each_from
-(a, b)
+(a)
S
+ sk_for_each_from(a) S
|
sk_for_each_safe(a,
- b,
c, d) S
|
sk_for_each_bound(a,
- b,
c) S
|
hlist_for_each_entry_safe(a,
- b,
c, d, e) S
|
hlist_for_each_entry_continue_rcu(a,
- b,
c) S
|
nr_neigh_for_each(a,
- b,
c) S
|
nr_neigh_for_each_safe(a,
- b,
c, d) S
|
nr_node_for_each(a,
- b,
c) S
|
nr_node_for_each_safe(a,
- b,
c, d) S
|
- for_each_gfn_sp(a, c, d, b) S
+ for_each_gfn_sp(a, c, d) S
|
- for_each_gfn_indirect_valid_sp(a, c, d, b) S
+ for_each_gfn_indirect_valid_sp(a, c, d) S
|
for_each_host(a,
- b,
c) S
|
for_each_host_safe(a,
- b,
c, d) S
|
for_each_mesh_entry(a,
- b,
c, d) S
)
...+>
[akpm@linux-foundation.org: drop bogus change from net/ipv4/raw.c]
[akpm@linux-foundation.org: drop bogus hunk from net/ipv6/raw.c]
[akpm@linux-foundation.org: checkpatch fixes]
[akpm@linux-foundation.org: fix warnings]
[akpm@linux-foudnation.org: redo intrusive kvm changes]
Tested-by: Peter Senna Tschudin <peter.senna@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Change it to CONFIG_HAVE_VIRT_TO_BUS and set it in all architecures
that already provide virt_to_bus().
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: H Hartley Sweeten <hartleys@visionengravers.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull vfs pile (part one) from Al Viro:
"Assorted stuff - cleaning namei.c up a bit, fixing ->d_name/->d_parent
locking violations, etc.
The most visible changes here are death of FS_REVAL_DOT (replaced with
"has ->d_weak_revalidate()") and a new helper getting from struct file
to inode. Some bits of preparation to xattr method interface changes.
Misc patches by various people sent this cycle *and* ocfs2 fixes from
several cycles ago that should've been upstream right then.
PS: the next vfs pile will be xattr stuff."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (46 commits)
saner proc_get_inode() calling conventions
proc: avoid extra pde_put() in proc_fill_super()
fs: change return values from -EACCES to -EPERM
fs/exec.c: make bprm_mm_init() static
ocfs2/dlm: use GFP_ATOMIC inside a spin_lock
ocfs2: fix possible use-after-free with AIO
ocfs2: Fix oops in ocfs2_fast_symlink_readpage() code path
get_empty_filp()/alloc_file() leave both ->f_pos and ->f_version zero
target: writev() on single-element vector is pointless
export kernel_write(), convert open-coded instances
fs: encode_fh: return FILEID_INVALID if invalid fid_type
kill f_vfsmnt
vfs: kill FS_REVAL_DOT by adding a d_weak_revalidate dentry op
nfsd: handle vfs_getattr errors in acl protocol
switch vfs_getattr() to struct path
default SET_PERSONALITY() in linux/elf.h
ceph: prepopulate inodes only when request is aborted
d_hash_and_lookup(): export, switch open-coded instances
9p: switch v9fs_set_create_acl() to inode+fid, do it before d_instantiate()
9p: split dropping the acls from v9fs_set_create_acl()
...
lockdep, but it's a mechanical change.
Cheers,
Rusty.
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Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull module update from Rusty Russell:
"The sweeping change is to make add_taint() explicitly indicate whether
to disable lockdep, but it's a mechanical change."
* tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
MODSIGN: Add option to not sign modules during modules_install
MODSIGN: Add -s <signature> option to sign-file
MODSIGN: Specify the hash algorithm on sign-file command line
MODSIGN: Simplify Makefile with a Kconfig helper
module: clean up load_module a little more.
modpost: Ignore ARC specific non-alloc sections
module: constify within_module_*
taint: add explicit flag to show whether lock dep is still OK.
module: printk message when module signature fail taints kernel.
Pull signal handling cleanups from Al Viro:
"This is the first pile; another one will come a bit later and will
contain SYSCALL_DEFINE-related patches.
- a bunch of signal-related syscalls (both native and compat)
unified.
- a bunch of compat syscalls switched to COMPAT_SYSCALL_DEFINE
(fixing several potential problems with missing argument
validation, while we are at it)
- a lot of now-pointless wrappers killed
- a couple of architectures (cris and hexagon) forgot to save
altstack settings into sigframe, even though they used the
(uninitialized) values in sigreturn; fixed.
- microblaze fixes for delivery of multiple signals arriving at once
- saner set of helpers for signal delivery introduced, several
architectures switched to using those."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: (143 commits)
x86: convert to ksignal
sparc: convert to ksignal
arm: switch to struct ksignal * passing
alpha: pass k_sigaction and siginfo_t using ksignal pointer
burying unused conditionals
make do_sigaltstack() static
arm64: switch to generic old sigaction() (compat-only)
arm64: switch to generic compat rt_sigaction()
arm64: switch compat to generic old sigsuspend
arm64: switch to generic compat rt_sigqueueinfo()
arm64: switch to generic compat rt_sigpending()
arm64: switch to generic compat rt_sigprocmask()
arm64: switch to generic sigaltstack
sparc: switch to generic old sigsuspend
sparc: COMPAT_SYSCALL_DEFINE does all sign-extension as well as SYSCALL_DEFINE
sparc: kill sign-extending wrappers for native syscalls
kill sparc32_open()
sparc: switch to use of generic old sigaction
sparc: switch sys_compat_rt_sigaction() to COMPAT_SYSCALL_DEFINE
mips: switch to generic sys_fork() and sys_clone()
...
Conflicts:
include/linux/ssb/ssb_driver_gige.h
Also resolves a logical merge conflict in drivers/net/ethernet/broadcom/-
bgmac.c due to change of an API.
Pull x86 mm changes from Peter Anvin:
"This is a huge set of several partly interrelated (and concurrently
developed) changes, which is why the branch history is messier than
one would like.
The *really* big items are two humonguous patchsets mostly developed
by Yinghai Lu at my request, which completely revamps the way we
create initial page tables. In particular, rather than estimating how
much memory we will need for page tables and then build them into that
memory -- a calculation that has shown to be incredibly fragile -- we
now build them (on 64 bits) with the aid of a "pseudo-linear mode" --
a #PF handler which creates temporary page tables on demand.
This has several advantages:
1. It makes it much easier to support things that need access to data
very early (a followon patchset uses this to load microcode way
early in the kernel startup).
2. It allows the kernel and all the kernel data objects to be invoked
from above the 4 GB limit. This allows kdump to work on very large
systems.
3. It greatly reduces the difference between Xen and native (Xen's
equivalent of the #PF handler are the temporary page tables created
by the domain builder), eliminating a bunch of fragile hooks.
The patch series also gets us a bit closer to W^X.
Additional work in this pull is the 64-bit get_user() work which you
were also involved with, and a bunch of cleanups/speedups to
__phys_addr()/__pa()."
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (105 commits)
x86, mm: Move reserving low memory later in initialization
x86, doc: Clarify the use of asm("%edx") in uaccess.h
x86, mm: Redesign get_user with a __builtin_choose_expr hack
x86: Be consistent with data size in getuser.S
x86, mm: Use a bitfield to mask nuisance get_user() warnings
x86/kvm: Fix compile warning in kvm_register_steal_time()
x86-32: Add support for 64bit get_user()
x86-32, mm: Remove reference to alloc_remap()
x86-32, mm: Remove reference to resume_map_numa_kva()
x86-32, mm: Rip out x86_32 NUMA remapping code
x86/numa: Use __pa_nodebug() instead
x86: Don't panic if can not alloc buffer for swiotlb
mm: Add alloc_bootmem_low_pages_nopanic()
x86, 64bit, mm: hibernate use generic mapping_init
x86, 64bit, mm: Mark data/bss/brk to nx
x86: Merge early kernel reserve for 32bit and 64bit
x86: Add Crash kernel low reservation
x86, kdump: Remove crashkernel range find limit for 64bit
memblock: Add memblock_mem_size()
x86, boot: Not need to check setup_header version for setup_data
...
Pull trivial tree from Jiri Kosina:
"Assorted tiny fixes queued in trivial tree"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (22 commits)
DocBook: update EXPORT_SYMBOL entry to point at export.h
Documentation: update top level 00-INDEX file with new additions
ARM: at91/ide: remove unsused at91-ide Kconfig entry
percpu_counter.h: comment code for better readability
x86, efi: fix comment typo in head_32.S
IB: cxgb3: delay freeing mem untill entirely done with it
net: mvneta: remove unneeded version.h include
time: x86: report_lost_ticks doesn't exist any more
pcmcia: avoid static analysis complaint about use-after-free
fs/jfs: Fix typo in comment : 'how may' -> 'how many'
of: add missing documentation for of_platform_populate()
btrfs: remove unnecessary cur_trans set before goto loop in join_transaction
sound: soc: Fix typo in sound/codecs
treewide: Fix typo in various drivers
btrfs: fix comment typos
Update ibmvscsi module name in Kconfig.
powerpc: fix typo (utilties -> utilities)
of: fix spelling mistake in comment
h8300: Fix home page URL in h8300/README
xtensa: Fix home page URL in Kconfig
...
Here's the big tty/serial driver patches for 3.9-rc1.
More tty port rework and fixes from Jiri here, as well as lots of
individual serial driver updates and fixes.
All of these have been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial patches from Greg Kroah-Hartman:
"Here's the big tty/serial driver patches for 3.9-rc1.
More tty port rework and fixes from Jiri here, as well as lots of
individual serial driver updates and fixes.
All of these have been in the linux-next tree for a while."
* tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (140 commits)
tty: mxser: improve error handling in mxser_probe() and mxser_module_init()
serial: imx: fix uninitialized variable warning
serial: tegra: assume CONFIG_OF
TTY: do not update atime/mtime on read/write
lguest: select CONFIG_TTY to build properly.
ARM defconfigs: add missing inclusions of linux/platform_device.h
fb/exynos: include platform_device.h
ARM: sa1100/assabet: include platform_device.h directly
serial: imx: Fix recursive locking bug
pps: Fix build breakage from decoupling pps from tty
tty: Remove ancient hardpps()
pps: Additional cleanups in uart_handle_dcd_change
pps: Move timestamp read into PPS code proper
pps: Don't crash the machine when exiting will do
pps: Fix a use-after free bug when unregistering a source.
pps: Use pps_lookup_dev to reduce ldisc coupling
pps: Add pps_lookup_dev() function
tty: serial: uartlite: Support uartlite on big and little endian systems
tty: serial: uartlite: Fix sparse and checkpatch warnings
serial/arc-uart: Miscll DT related updates (Grant's review comments)
...
Fix up trivial conflicts, mostly just due to the TTY config option
clashing with the EXPERIMENTAL removal.
Here is the big driver core merge for 3.9-rc1
There are two major series here, both of which touch lots of drivers all
over the kernel, and will cause you some merge conflicts:
- add a new function called devm_ioremap_resource() to properly be
able to check return values.
- remove CONFIG_EXPERIMENTAL
If you need me to provide a merged tree to handle these resolutions,
please let me know.
Other than those patches, there's not much here, some minor fixes and
updates.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core patches from Greg Kroah-Hartman:
"Here is the big driver core merge for 3.9-rc1
There are two major series here, both of which touch lots of drivers
all over the kernel, and will cause you some merge conflicts:
- add a new function called devm_ioremap_resource() to properly be
able to check return values.
- remove CONFIG_EXPERIMENTAL
Other than those patches, there's not much here, some minor fixes and
updates"
Fix up trivial conflicts
* tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (221 commits)
base: memory: fix soft/hard_offline_page permissions
drivercore: Fix ordering between deferred_probe and exiting initcalls
backlight: fix class_find_device() arguments
TTY: mark tty_get_device call with the proper const values
driver-core: constify data for class_find_device()
firmware: Ignore abort check when no user-helper is used
firmware: Reduce ifdef CONFIG_FW_LOADER_USER_HELPER
firmware: Make user-mode helper optional
firmware: Refactoring for splitting user-mode helper code
Driver core: treat unregistered bus_types as having no devices
watchdog: Convert to devm_ioremap_resource()
thermal: Convert to devm_ioremap_resource()
spi: Convert to devm_ioremap_resource()
power: Convert to devm_ioremap_resource()
mtd: Convert to devm_ioremap_resource()
mmc: Convert to devm_ioremap_resource()
mfd: Convert to devm_ioremap_resource()
media: Convert to devm_ioremap_resource()
iommu: Convert to devm_ioremap_resource()
drm: Convert to devm_ioremap_resource()
...
Pull networking update from David Miller:
1) Checkpoint/restarted TCP sockets now can properly propagate the TCP
timestamp offset. From Andrey Vagin.
2) VMWARE VM VSOCK layer, from Andy King.
3) Much improved support for virtual functions and SR-IOV in bnx2x,
from Ariel ELior.
4) All protocols on ipv4 and ipv6 are now network namespace aware, and
all the compatability checks for initial-namespace-only protocols is
removed. Thanks to Tom Parkin for helping deal with the last major
holdout, L2TP.
5) IPV6 support in netpoll and network namespace support in pktgen,
from Cong Wang.
6) Multiple Registration Protocol (MRP) and Multiple VLAN Registration
Protocol (MVRP) support, from David Ward.
7) Compute packet lengths more accurately in the packet scheduler, from
Eric Dumazet.
8) Use per-task page fragment allocator in skb_append_datato_frags(),
also from Eric Dumazet.
9) Add support for connection tracking labels in netfilter, from
Florian Westphal.
10) Fix default multicast group joining on ipv6, and add anti-spoofing
checks to 6to4 and 6rd. From Hannes Frederic Sowa.
11) Make ipv4/ipv6 fragmentation memory limits more reasonable in modern
times, rearrange inet frag datastructures for better cacheline
locality, and move more operations outside of locking. From Jesper
Dangaard Brouer.
12) Instead of strict master <--> slave relationships, allow arbitrary
scenerios with "upper device lists". From Jiri Pirko.
13) Improve rate limiting accuracy in TBF and act_police, also from Jiri
Pirko.
14) Add a BPF filter netfilter match target, from Willem de Bruijn.
15) Orphan and delete a bunch of pre-historic networking drivers from
Paul Gortmaker.
16) Add TSO support for GRE tunnels, from Pravin B SHelar. Although
this still needs some minor bug fixing before it's %100 correct in
all cases.
17) Handle unresolved IPSEC states like ARP, with a resolution packet
queue. From Steffen Klassert.
18) Remove TCP Appropriate Byte Count support (ABC), from Stephen
Hemminger. This was long overdue.
19) Support SO_REUSEPORT, from Tom Herbert.
20) Allow locking a socket BPF filter, so that it cannot change after a
process drops capabilities.
21) Add VLAN filtering to bridge, from Vlad Yasevich.
22) Bring ipv6 on-par with ipv4 and do not cache neighbour entries in
the ipv6 routes, from YOSHIFUJI Hideaki.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1538 commits)
ipv6: fix race condition regarding dst->expires and dst->from.
net: fix a wrong assignment in skb_split()
ip_gre: remove an extra dst_release()
ppp: set qdisc_tx_busylock to avoid LOCKDEP splat
atl1c: restore buffer state
net: fix a build failure when !CONFIG_PROC_FS
net: ipv4: fix waring -Wunused-variable
net: proc: fix build failed when procfs is not configured
Revert "xen: netback: remove redundant xenvif_put"
net: move procfs code to net/core/net-procfs.c
qmi_wwan, cdc-ether: add ADU960S
bonding: set sysfs device_type to 'bond'
bonding: fix bond_release_all inconsistencies
b44: use netdev_alloc_skb_ip_align()
xen: netback: remove redundant xenvif_put
net: fec: Do a sanity check on the gpio number
ip_gre: propogate target device GSO capability to the tunnel device
ip_gre: allow CSUM capable devices to handle packets
bonding: Fix initialize after use for 3ad machine state spinlock
bonding: Fix race condition between bond_enslave() and bond_3ad_update_lacp_rate()
...
The internal codes are not part of the kernel's ABI.
Signed-off-by: David Daney <david.daney@cavium.com>
Patchwork: http://patchwork.linux-mips.org/patch/4932/
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Pull irq core changes from Ingo Molnar:
"The biggest changes are the IRQ-work and printk changes from Frederic
Weisbecker, which prepare the code for 'full dynticks' (the ability to
stop or slow down the periodic tick arbitrarily, not just in idle time
as today):
- Don't stop tick with irq works pending. This fix is generally
useful and concerns archs that can't raise self IPIs.
- Flush irq works before CPU offlining.
- Introduce "lazy" irq works that can wait for the next tick to be
executed, unless it's stopped.
- Implement klogd wake up using irq work. This removes the ad-hoc
printk_tick()/printk_needs_cpu() hooks and make it working even in
dynticks mode.
- Cleanups and fixes."
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Export enable/disable_percpu_irq()
arch Kconfig: Remove references to IRQ_PER_CPU
irq_work: Remove return value from the irq_work_queue() function
genirq: Avoid deadlock in spurious handling
printk: Wake up klogd using irq_work
irq_work: Make self-IPIs optable
irq_work: Warn if there's still work on cpu_down
irq_work: Flush work on CPU_DYING
irq_work: Don't stop the tick with pending works
nohz: Add API to check tick state
irq_work: Remove CONFIG_HAVE_IRQ_WORK
irq_work: Fix racy check on work pending flag
irq_work: Fix racy IRQ_WORK_BUSY flag setting
The commit [1] breaks builds and results in the following error
arch/mips/kernel/vpe.c: In function 'vpe_run':
arch/mips/kernel/vpe.c:708:16: error: invalid type argument of '->' (have 'struct list_head')
Taking a closer look at the conditional we notice that list_first_entry wont
ever return NULL. The easiest fix is to just drop the dead code.
[1]
commit 3d2d032476
MIPS: vpe.c: Fix null pointer dereference in print arguments.
Signed-off-by: John Crispin <blogic@openwrt.org>
This patch fixes the following implicit declaration while building with
MIPS SMTC support enabled:
arch/mips/kernel/smtc.c: In function 'setup_cross_vpe_interrupts':
arch/mips/kernel/smtc.c:1205:2: error: implicit declaration of function
'set_vi_handler' [-Werror=implicit-function-declaration]
cc1: all warnings being treated as errors
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4931/
Signed-off-by: John Crispin <blogic@openwrt.org>
We cannot use __init for earlyprintk code or data, since the kernel
parameter "keep_bootcon" allows leaving the boot console enabled.
Currently MIPS will crash/hang/die if you use keep_bootcon. The patch
fixes it at least on Lemote FuLoong mini-PC. Changes for other boards
were done based on what I could find with grep...
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Patchwork: http://patchwork.linux-mips.org/patch/4935/
Signed-off-by: John Crispin <blogic@openwrt.org>
The presence of the MIPS Virtualization Application-Specific Extension
is indicated by CP0_Config3[23]. Probe for this and report it in
/proc/cpuinfo.
Signed-off-by: David Daney <david.daney@cavium.com>
Patchwork: http://patchwork.linux-mips.org/patch/4904/
Signed-off-by: John Crispin <blogic@openwrt.org>
Also enable the board in the default configuration.
Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4953/
Signed-off-by: John Crispin <blogic@openwrt.org>
Register platfom devices for the built-in USB
controllers of the SoCs.
Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4952/
Signed-off-by: John Crispin <blogic@openwrt.org>
Add SoC specific PCI IRQ map, and register platform
devices for the two built-in PCIe RCs.
Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4951/
Signed-off-by: John Crispin <blogic@openwrt.org>
The SoC has a built-in wireless MAC. Register a platform
device for that to make it usable with the ath9k driver.
Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4956/
Signed-off-by: John Crispin <blogic@openwrt.org>
Similarly to the preceding SoCs, the QCA955X SoCs
also have a built-in NS16650 compatible UART.
Register the platform device for that to make
it usable.
Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4949/
Signed-off-by: John Crispin <blogic@openwrt.org>
The ath79_device_reset_* are causing BUG when
those are used on the QCA955x SoCs. The patch
adds the required code to avoid that.
Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4948/
Signed-off-by: John Crispin <blogic@openwrt.org>
The existing code can handle the GPIO controller of
the QCA955x SoCs. Add a minimal glue code to make it
working.
Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4947/
Signed-off-by: John Crispin <blogic@openwrt.org>
The IRQ routing in the QCA955x SoCs is slightly
different from the routing implemented in the
already supported SoCs.
Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4955/
Signed-off-by: John Crispin <blogic@openwrt.org>
The patch adds code to get various clock frequencies
from the PLLs used in the QCA955x SoCs.
Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4945/
Signed-off-by: John Crispin <blogic@openwrt.org>
Also add 'soc_is_qca955[68x]' helper functions
and a Kconfig symbol for the SoC family.
Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4943/
Signed-off-by: John Crispin <blogic@openwrt.org>
The patch allows to see kernel messages on the
QCA955X SoCs in early boot stage.
Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4944/
Signed-off-by: John Crispin <blogic@openwrt.org>
The '.start' field of the IRQ resource assigned twice
in ar934x_wmac_setup(). The second assignment must
set the '.end' field. Fix it.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4954/
Signed-off-by: John Crispin <blogic@openwrt.org>
/proc/vmcore wasn't showing up in kdump kernels. It turns that that
for Octeon, the memory used by elfcorehdr wasn't being set aside
properly and it was getting clobbered before /proc/vmcore could get
it. So reserve the memory if it shows up in a memory area managed
by the kernel.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Acked-by: David Daney <ddaney@caviumnetworks.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/4936/
Kernel memory isn't necessarily added to the memory tables, so it
wouldn't show up in /proc/iomem. This was breaking kdump, which
requires these memory addresses to work correctly.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Acked-by: David Daney <ddaney@caviumnetworks.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/4937/
