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Maarten Lankhorst a41b56efa7 arch: Make __mutex_fastpath_lock_retval return whether fastpath succeeded or not 
This will allow me to call functions that have multiple
arguments if fastpath fails. This is required to support ticket
mutexes, because they need to be able to pass an extra argument
to the fail function.

Originally I duplicated the functions, by adding
__mutex_fastpath_lock_retval_arg. This ended up being just a
duplication of the existing function, so a way to test if
fastpath was called ended up being better.

This also cleaned up the reservation mutex patch some by being
able to call an atomic_set instead of atomic_xchg, and making it
easier to detect if the wrong unlock function was previously
used.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: dri-devel@lists.freedesktop.org
Cc: linaro-mm-sig@lists.linaro.org
Cc: robclark@gmail.com
Cc: rostedt@goodmis.org
Cc: daniel@ffwll.ch
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20130620113105.4001.83929.stgit@patser
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-06-26 12:10:55 +02:00
..
adc.h
addrspace.h sh: nommu: use 32-bit phys mode. 2010-11-04 12:32:24 +09:00
alignment.h sh: Split out the unaligned counters and user bits. 2010-01-12 16:12:25 +09:00
asm-offsets.h kbuild: move asm-offsets.h to include/generated 2009-12-12 13:08:14 +01:00
atomic-grb.h sh: consolidate atomic_cmpxchg()/atomic_add_unless() definitions. 2010-01-08 17:02:17 +09:00
atomic-irq.h Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
atomic-llsc.h sh: consolidate atomic_cmpxchg()/atomic_add_unless() definitions. 2010-01-08 17:02:17 +09:00
atomic.h sh: Fix up tracepoint build fallout from static key introduction. 2012-04-27 11:12:38 +09:30
barrier.h Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
bitops-grb.h
bitops-llsc.h
bitops-op32.h
bitops.h Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
bl_bit.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
bl_bit_32.h Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
bl_bit_64.h Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
bug.h sh: Consolidate die definitions for trap handlers. 2012-06-14 14:18:51 +09:00
bugs.h
cache.h Merge branch 'for-35' of git://repo.or.cz/linux-kbuild 2010-06-01 08:55:52 -07:00
cache_insns.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
cache_insns_32.h Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
cache_insns_64.h Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
cacheflush.h sh: Assume new page cache pages have dirty dcache lines. 2010-12-01 15:39:51 +09:00
checksum.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
checksum_32.h
clkdev.h ARM: 6483/1: arm & sh: factorised duplicated clkdev.c 2010-11-26 10:51:04 +00:00
clock.h sh: sh header sh_clk_ops rename 2012-03-12 22:19:10 +01:00
cmpxchg-grb.h sh: Fix up xchg/cmpxchg corruption with gUSA RB. 2011-06-08 15:22:39 +09:00
cmpxchg-irq.h Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
cmpxchg-llsc.h
cmpxchg.h Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
device.h sh: Defer to asm-generic/device.h. 2012-01-13 16:27:38 +09:00
dma-mapping.h sh: dma_debug: add debug_dma_mapping_error support 2012-11-28 15:29:00 +01:00
dma-register.h dmaengine: shdma: separate DMA headers. 2010-03-02 11:09:04 +09:00
dma.h sh: Kill off MAX_DMA_ADDRESS leftovers. 2012-05-19 18:50:09 +09:00
dmabrg.h
dwarf.h sh: Optimise FDE/CIE lookup by using red-black trees 2010-02-08 11:29:15 +09:00
elf.h sh: Fix FDPIC binary loader 2013-01-11 21:02:57 +09:00
entry-macros.S
fb.h
fixmap.h Revert "sh: Ensure fixmap and store queue space can co-exist." 2012-05-18 19:30:05 +09:00
flat.h
fpu.h sh: Move over to dynamically allocated FPU context. 2010-01-13 12:51:40 +09:00
freq.h
ftrace.h
futex-irq.h Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
futex.h futex: Sanitize futex ops argument types 2011-03-11 12:23:31 +01:00
gpio.h sh: Remove unused sh_pfc_register_info() function 2013-01-25 09:24:30 +09:00
hardirq.h
hd64461.h
heartbeat.h
hugetlb.h mm/hugetlb: add more arch-defined huge_pte functions 2013-04-29 15:54:33 -07:00
hw_breakpoint.h UAPI: (Scripted) Disintegrate arch/sh/include/asm 2012-10-09 09:47:37 +01:00
hw_irq.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
i2c-sh7760.h sh: edosk7760 evt2irq migration. 2012-05-18 14:52:31 +09:00
io.h /dev/mem: use phys_addr_t for physical addresses 2012-10-24 15:32:50 -07:00
io_generic.h sh: machvec IO death. 2010-11-01 09:49:04 -04:00
io_noioport.h SH: Convert out[bwl] macros to inline functions 2012-07-12 13:12:13 +09:00
io_trapped.h
irq.h sh: Kill off machvec IRQ hinting. 2012-05-21 17:54:01 +09:00
irqflags.h Fix IRQ flag handling naming 2010-10-07 14:08:55 +01:00
Kbuild tracing,x86: Add a TSC trace_clock 2012-11-13 15:48:27 -05:00
kdebug.h sh64: Convert to unwinder API. 2012-05-24 15:03:46 +09:00
kexec.h sh: convert kexec crash kernel management to LMB. 2010-05-07 14:54:55 +09:00
kgdb.h sh: kgdb: Unset CACHE_FLUSH_IS_SAFE for SMP. 2012-04-11 10:48:24 +09:00
kmap_types.h
kprobes.h sh: Add kprobe-based event tracer. 2010-06-14 15:16:53 +09:00
linkage.h
machvec.h sh: Kill off machvec IRQ hinting. 2012-05-21 17:54:01 +09:00
mc146818rtc.h
mmu.h sh: Fix up NUMA build for 29-bit. 2010-03-10 16:29:48 +09:00
mmu_context.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
mmu_context_32.h sh: Mass ctrl_in/outX to __raw_read/writeX conversion. 2010-01-26 12:58:40 +09:00
mmu_context_64.h
mmzone.h Fix node_start/end_pfn() definition for mm/page_cgroup.c 2011-06-27 14:13:09 -07:00
module.h Make most arch asm/module.h files use asm-generic/module.h 2012-09-28 14:31:03 +09:30
mutex-llsc.h arch: Make __mutex_fastpath_lock_retval return whether fastpath succeeded or not 2013-06-26 12:10:55 +02:00
mutex.h
page.h sh: Fix cached/uncaced address calculation in 29bit mode 2011-11-04 22:13:50 +09:00
pci.h PCI: collapse pcibios_resource_to_bus 2012-02-23 20:19:04 -07:00
perf_event.h irq_work: Add generic hardirq context callbacks 2010-10-18 19:58:50 +02:00
pgalloc.h sh: default to extended TLB support. 2010-01-13 19:11:14 +09:00
pgtable-2level.h sh: Rename split-level pgtable headers. 2010-01-13 19:18:39 +09:00
pgtable-3level.h sh: Rename split-level pgtable headers. 2010-01-13 19:18:39 +09:00
pgtable.h sh64: asm/pgtable.h needs asm/mmu.h 2011-05-31 14:37:44 +09:00
pgtable_32.h Fix common misspellings 2011-03-31 11:26:23 -03:00
pgtable_64.h sh64: Kill off unused fixed I/O mapping window. 2012-05-14 15:16:11 +09:00
posix_types.h UAPI: (Scripted) Disintegrate arch/sh/include/asm 2012-10-09 09:47:37 +01:00
processor.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
processor_32.h sh: define TASK_UNMAPPED_BASE as a page aligned constant 2013-01-11 20:52:35 +09:00
processor_64.h sh: define TASK_UNMAPPED_BASE as a page aligned constant 2013-01-11 20:52:35 +09:00
ptrace.h UAPI: (Scripted) Disintegrate arch/sh/include/asm 2012-10-09 09:47:37 +01:00
ptrace_32.h UAPI: (Scripted) Disintegrate arch/sh/include/asm 2012-10-09 09:47:37 +01:00
ptrace_64.h UAPI: (Scripted) Disintegrate arch/sh/include/asm 2012-10-09 09:47:37 +01:00
push-switch.h
reboot.h sh: machine_ops based reboot support. 2010-01-20 16:42:52 +09:00
romimage-macros.h
rtc.h
rwsem.h rwsem: Move duplicate function prototypes to linux/rwsem.h 2011-01-27 12:30:39 +01:00
seccomp.h
sections.h mtd/uclinux: Use generic __bss_stop instead of _ebss 2012-06-27 09:59:43 +02:00
segment.h
setup.h UAPI: (Scripted) Disintegrate arch/sh/include/asm 2012-10-09 09:47:37 +01:00
sfp-machine.h
sh7760fb.h
sh_bios.h sh: Kill off more unused sh_bios callbacks. 2010-01-12 15:26:11 +09:00
shmparam.h
siu.h sh: remove unused DMA device pointer from SIU platform data 2012-07-20 11:23:44 +05:30
smc37c93x.h
smp-ops.h sh: CPU hotplug support. 2010-04-26 19:08:55 +09:00
smp.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
sparsemem.h
spi.h
spinlock.h locking: Convert raw_rwlock functions to arch_rwlock 2009-12-14 23:55:32 +01:00
spinlock_types.h locking: Convert raw_rwlock to arch_rwlock 2009-12-14 23:55:32 +01:00
sram.h sh: Provide a generic SRAM pool for tiny memories. 2010-10-15 02:09:00 +09:00
stackprotector.h sh: initial stack protector support. 2012-04-19 15:45:57 +09:00
stacktrace.h sh: remove warning and warning_symbol from struct stacktrace_ops 2011-05-23 14:42:15 +09:00
string.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
string_32.h
string_64.h
suspend.h SH: cpuidle: check error code at init 2013-04-22 00:35:53 +02:00
switch_to.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
switch_to_32.h Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
switch_to_64.h Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
syscall.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
syscall_32.h
syscall_64.h
syscalls.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
syscalls_32.h sh: switch to generic old sigaction() 2013-02-03 18:16:16 -05:00
syscalls_64.h sh: switch to generic fork/vfork/clone 2012-11-28 22:36:47 -05:00
thread_info.h arch: Consolidate tsk_is_polling() 2013-04-08 17:39:22 +02:00
timex.h sh: Only provide a PCLK definition for legacy CPG CPUs. 2009-12-29 11:09:30 +09:00
tlb.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
tlb_64.h
tlbflush.h sh: Provide a global TLB flush for U/I-TLB clear. 2010-07-02 15:44:09 +09:00
topology.h sched/numa: Rewrite the CONFIG_NUMA sched domain support 2012-05-09 15:00:55 +02:00
traps.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
traps_32.h Disintegrate asm/system.h for SH 2012-03-28 18:30:03 +01:00
traps_64.h sh64: Provide EXPEVT helper. 2012-05-14 13:04:08 +09:00
types.h UAPI: (Scripted) Disintegrate arch/sh/include/asm 2012-10-09 09:47:37 +01:00
uaccess.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
uaccess_32.h sh: use the new generic strnlen_user() function 2012-06-13 10:28:37 +09:00
uaccess_64.h sh: use the new generic strnlen_user() function 2012-06-13 10:28:37 +09:00
unaligned-sh4a.h Fix common misspellings 2011-03-31 11:26:23 -03:00
unaligned.h
uncached.h sh: nommu: Support building without an uncached mapping. 2010-11-04 12:46:19 +09:00
unistd.h consolidate cond_syscall and SYSCALL_ALIAS declarations 2013-03-03 22:55:19 -05:00
unwinder.h
user.h
vga.h
vmlinux.lds.h sh64: fix up memory offset calculation. 2010-02-12 15:41:45 +09:00
watchdog.h sh: Mass ctrl_in/outX to __raw_read/writeX conversion. 2010-01-26 12:58:40 +09:00
word-at-a-time.h sh: use the new generic strnlen_user() function 2012-06-13 10:28:37 +09:00