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linux/arch/parisc/kernel
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John David Anglin f0a18819e2 parisc: fix SMP races when updating PTE and TLB entries in entry.S 
Currently, race conditions exist in the handling of TLB interruptions in
entry.S.  In particular, dirty bit updates can be lost if an accessed
interruption occurs just after the dirty bit interruption on a different
cpu.  Lost dirty bit updates result in user pages not being flushed and
general system instability.  This change adds lock and unlock macros to
synchronize all PTE and TLB updates done in entry.S.  As a result,
userspace stability is significantly improved.

Signed-off-by: John David Anglin  <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>
2013-05-11 21:13:04 +02:00
..
.gitignore parisc: add arch/parisc/kernel/.gitignore 2008-10-10 16:32:28 +00:00
asm-offsets.c parisc: Use of align_frame provides stack frame. 2010-05-30 05:38:27 -04:00
binfmt_elf32.c parisc: fix redefinition of SET_PERSONALITY 2013-03-02 20:15:28 +01:00
cache.c parisc: remove the second argument of kmap_atomic 2013-05-06 22:19:00 +02:00
drivers.c parisc: Add export.h to files needing EXPORT_SYMBOL/THIS_MODULE 2011-10-31 19:31:00 -04:00
entry.S parisc: fix SMP races when updating PTE and TLB entries in entry.S 2013-05-11 21:13:04 +02:00
firmware.c Disintegrate asm/system.h for PA-RISC 2012-03-28 18:30:02 +01:00
ftrace.c sched_clock: Add local_clock() API and improve documentation 2010-06-09 10:34:49 +02:00
hardware.c ARCH: drivers remove __dev* attributes. 2013-01-03 15:57:13 -08:00
head.S [PARISC] only make executable areas executable 2011-04-15 12:55:18 -05:00
hpmc.S parisc: fix partly 16/64k PAGE_SIZE boot 2013-05-06 23:08:32 +02:00
inventory.c parisc: fix possible memory leak in pat_query_module() 2013-02-20 22:47:11 +01:00
irq.c parisc: implement irq stacks - part 2 (v2) 2013-05-11 21:10:15 +02:00
Makefile parisc: Fix init_task fallout 2012-05-07 11:38:46 +02:00
module.c modules: don't hand 0 to vmalloc. 2012-12-14 13:06:43 +10:30
pa7300lc.c
pacache.S parisc: fix partly 16/64k PAGE_SIZE boot 2013-05-06 23:08:32 +02:00
parisc_ksyms.c parisc: Provide __ucmpdi2 to resolve undefined references in 32 bit builds. 2013-04-25 22:36:15 +02:00
pci-dma.c parisc: Add export.h to files needing EXPORT_SYMBOL/THIS_MODULE 2011-10-31 19:31:00 -04:00
pci.c parisc/PCI: factor out pcibios_setup() 2012-07-05 15:09:13 -06:00
pdc_chassis.c parisc: single_open() leaks 2013-05-05 00:10:41 -04:00
pdc_cons.c TTY: switch tty_flip_buffer_push 2013-01-15 22:30:15 -08:00
perf_asm.S Revert "parisc: fix trivial section name warnings" 2008-06-13 10:49:45 -04:00
perf_images.h [PARISC] Use kzalloc and other janitor-style cleanups 2006-01-22 20:26:31 -05:00
perf.c parisc: remove big kernel lock 2010-10-16 22:43:08 +02:00
process.c parisc: Use generic idle loop 2013-04-08 17:39:27 +02:00
processor.c parisc: processor.c, fix bloated stack frame 2009-07-03 03:34:11 +00:00
ptrace.c parisc: improve ptrace support for gdb single-step 2013-01-07 23:06:27 +01:00
real2.S parisc: move pdc_result to real2.S 2008-10-10 16:32:28 +00:00
setup.c parisc: fix partly 16/64k PAGE_SIZE boot 2013-05-06 23:08:32 +02:00
signal32.c parisc: fix error return codes for rt_sigaction and rt_sigprocmask 2013-02-20 22:57:02 +01:00
signal32.h parisc: switch to generic compat rt_sigaction() 2013-02-03 18:16:07 -05:00
signal.c parisc: remove unused variable 'compat_val' 2013-03-02 19:56:18 +01:00
smp.c parisc: tlb flush counting fix for SMP and UP 2013-05-07 23:44:04 +02:00
stacktrace.c parisc: add LATENCYTOP_SUPPORT and CONFIG_STACKTRACE_SUPPORT 2009-03-31 02:51:34 +00:00
sys32.h parisc: switch to generic compat rt_sigaction() 2013-02-03 18:16:07 -05:00
sys_parisc32.c unify compat fanotify_mark(2), switch to COMPAT_SYSCALL_DEFINE 2013-05-09 13:46:38 -04:00
sys_parisc.c mm: use vm_unmapped_area() on parisc architecture 2013-02-27 19:10:09 -08:00
syscall_table.S get rid of union semop in sys_semctl(2) arguments 2013-03-05 15:14:16 -05:00
syscall.S parisc: document the parisc gateway page 2013-05-06 23:09:10 +02:00
time.c parisc: move definition of PAGE0 to asm/page.h 2012-05-10 15:12:08 -07:00
topology.c parisc: Replace NR_CPUS in parisc code 2009-01-05 19:09:02 +00:00
traps.c parisc: fix whitespace errors in arch/parisc/kernel/traps.c 2013-05-06 22:24:57 +02:00
unaligned.c arch/parisc: Removing undead ifdef CONFIG_PA20 2010-10-21 21:13:29 -04:00
unwind.c parisc: unwind - optimise linked-list searches for modules 2010-10-21 21:12:19 -04:00
vmlinux.lds.S parisc: add kernel stack overflow check 2013-05-07 21:34:07 +02:00