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linux/arch/sh/kernel
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Paul Mundt 9bbafce2ee sh: Fix occasional FPU register corruption under preempt. 
Presently with preempt enabled there's the possibility to be preempted
after the TIF_USEDFPU test and the register save, leading to bogus
state post-__switch_to(). Use an explicit preempt_disable()/enable()
pair around unlazy_fpu()/clear_fpu() to avoid this. Follows the x86
change.

Reported-by: Takuo Koguchi <takuo.koguchi.sw@hitachi.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-03-26 19:02:47 +09:00
..
cpu
sh: Fix occasional FPU register corruption under preempt.
2008-03-26 19:02:47 +09:00
timers
sh: replace remaining __FUNCTION__ occurrences
2008-03-06 11:18:22 +09:00
vsyscall
sh: Terminate .eh_frame in VDSO with a 4-byte 0.
2007-11-02 12:29:37 +09:00
asm-offsets.c
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
cf-enabler.c
sh: Rip out special unknown machvec.
2007-06-08 02:43:40 +00:00
cpufreq.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
2007-10-13 09:49:04 -07:00
crash_dump.c
sh: kdump support.
2007-05-07 02:11:56 +00:00
debugtraps.S
sh: Use a jump call table for debug trap handlers.
2007-02-13 10:54:43 +09:00
dump_task.c
sh: Fix occasional FPU register corruption under preempt.
2008-03-26 19:02:47 +09:00
early_printk.c
sh: Add support for SH7721 CPU subtype.
2008-01-28 13:19:02 +09:00
entry-common.S
sh: GUSA atomic rollback support.
2008-01-28 13:18:58 +09:00
head_32.S
sh: Provide a 29/32-bit physical hint for bootloaders.
2008-01-28 13:18:57 +09:00
head_64.S
sh: comment tidying for sh64->sh migration.
2008-01-28 13:18:58 +09:00
init_task.c
sh: Provide dummy swapper pt_regs for SH-5 ctx switch.
2008-01-28 13:18:48 +09:00
io_generic.c
sh: trapped io support V2
2008-02-14 14:22:09 +09:00
io_trapped.c
sh: Fix up section mismatches.
2008-03-06 12:43:38 +09:00
io.c
sh: trapped io support V2
2008-02-14 14:22:09 +09:00
irq.c
sh: Kill off more dead symbols.
2008-02-14 14:22:12 +09:00
kgdb_jmp.S
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
kgdb_stub.c
sh: Fix up kgdb build with modular sh-sci.
2007-11-07 11:13:55 +09:00
machine_kexec.c
Use extended crashkernel command line on sh
2007-10-19 11:53:51 -07:00
machvec.c
sh: panic on machvec section misalignment.
2007-08-07 19:13:23 +09:00
Makefile
sh: Have 32-bit use arch/sh/kernel/Makefile_32.
2008-01-28 13:18:41 +09:00
Makefile_32
sh: trapped io support V2
2008-02-14 14:22:09 +09:00
Makefile_64
sh: trapped io support V2
2008-02-14 14:22:09 +09:00
module.c
sh: Merge sh and sh64 module.c.
2008-01-28 13:18:49 +09:00
pm.c
sh: APM/PM support.
2006-09-27 16:20:22 +09:00
process_32.c
sh: Fix occasional FPU register corruption under preempt.
2008-03-26 19:02:47 +09:00
process_64.c
sh: Shut up some trivial build warnings.
2008-02-14 14:22:11 +09:00
ptrace_32.c
sh: fix ptrace copy_from/to_user() compilation error
2008-02-14 14:22:09 +09:00
ptrace_64.c
sh: syscall auditing for sh5, too.
2008-01-28 13:18:58 +09:00
relocate_kernel.S
sh: Fixup various PAGE_SIZE == 4096 assumptions.
2006-12-06 10:45:39 +09:00
semaphore.c
sh: Fixup some uninitialized spinlocks.
2006-09-27 11:31:32 +09:00
setup.c
sh: add support for sh7366 processor
2008-02-14 14:22:10 +09:00
sh_bios.c
sh: Many symbol exports for nommu allmodconfig.
2007-07-20 16:59:49 +09:00
sh_ksyms_32.c
sh: export copy-page() to modules
2008-03-06 11:16:40 +09:00
sh_ksyms_64.c
sh: export copy-page() to modules
2008-03-06 11:16:40 +09:00
signal_32.c
sh: Fix occasional FPU register corruption under preempt.
2008-03-26 19:02:47 +09:00
signal_64.c
sh: comment tidying for sh64->sh migration.
2008-01-28 13:18:58 +09:00
smp.c
SH: Use newer, non-deprecated __SPIN_LOCK_UNLOCKED macro.
2008-03-21 12:19:07 +09:00
stacktrace.c
sh: Fix stacktrace simplification fallout.
2007-05-09 18:55:14 +09:00
sys_sh32.c
sh: sys_sh consolidation for arch_get_unmapped_area().
2008-01-28 13:18:49 +09:00
sys_sh64.c
sh: sys_sh consolidation for arch_get_unmapped_area().
2008-01-28 13:18:49 +09:00
sys_sh.c
sh: sys_sh consolidation for arch_get_unmapped_area().
2008-01-28 13:18:49 +09:00
syscalls_32.S
sh: Wire up new timerfd syscalls.
2008-02-14 14:22:08 +09:00
syscalls_64.S
sh: Wire up new timerfd syscalls.
2008-02-14 14:22:08 +09:00
time_32.c
sh: fix xtime_lock deadlocking.
2008-02-14 14:22:08 +09:00
time_64.c
sh: fix xtime_lock deadlocking.
2008-02-14 14:22:08 +09:00
topology.c
sh: replace remaining __FUNCTION__ occurrences
2008-03-06 11:18:22 +09:00
traps_32.c
sh: trapped io support V2
2008-02-14 14:22:09 +09:00
traps_64.c
sh: replace remaining __FUNCTION__ occurrences
2008-03-06 11:18:22 +09:00
traps.c
sh: Fix the arch/sh/kernel/traps.c build for sh32.
2008-01-28 13:18:57 +09:00
vmlinux_32.lds.S
all archs: consolidate init and exit sections in vmlinux.lds.h
2008-01-28 23:21:17 +01:00
vmlinux_64.lds.S
sh: Kill off more dead symbols.
2008-02-14 14:22:12 +09:00
vmlinux.lds.S
sh: Split out linker script to _32 and _64 variants.
2008-01-28 13:18:45 +09:00