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2ce9804fbd
linux/arch/arm/kernel
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Nicolas Pitre 2ce9804fbd [ARM] 3030/2: fix permission check in the obscur cmpxchg syscall 
Patch from Nicolas Pitre

Quoting RMK:

|pte_write() just says that the page _may_ be writable. It doesn't say
|that the MMU is programmed to allow writes. If pte_dirty() doesn't
|return true, that means that the page is _not_ writable from userspace.
|If you write to it from kernel mode (without using put_user) you'll
|bypass the MMU read-only protection and may end up writing to a page
|owned by two separate processes.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-03-25 22:44:05 +00:00
..
apm.c [ARM] Convert kmalloc+memset to kzalloc 2006-03-21 22:06:17 +00:00
armksyms.c [ARM] 3104/1: ARM EABI: new helper function names 2006-01-14 16:18:29 +00:00
arthur.c [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
asm-offsets.c [ARM] iwmmxt thread state alignment 2006-03-12 22:36:06 +00:00
bios32.c [ARM] Convert kmalloc+memset to kzalloc 2006-03-21 22:06:17 +00:00
calls.S [ARM] 3338/1: old ABI compat: sys_socketcall 2006-02-16 22:36:13 +00:00
compat.c [ARM] 3365/1: [cleanup] header for compat.c exported functions 2006-03-15 23:17:30 +00:00
compat.h [ARM] 3365/1: [cleanup] header for compat.c exported functions 2006-03-15 23:17:30 +00:00
debug.S [ARM] Remove unnecessary asm/hardware.h includes 2006-03-21 22:05:50 +00:00
dma-isa.c [ARM] Remove '__address' from scatterlist and convert to DMA API 2006-01-04 15:08:30 +00:00
dma.c [ARM] Move DMA exports to be next to each function 2006-01-04 15:52:45 +00:00
ecard.c [ARM] Convert kmalloc+memset to kzalloc 2006-03-21 22:06:17 +00:00
entry-armv.S [ARM] Move IRQ enable after coprocessor number decode 2006-03-21 22:05:50 +00:00
entry-common.S [ARM] safer handling of syscall table padding 2006-01-19 12:57:01 +00:00
entry-header.S [ARM] Move enable_irq and disable_irq to assembler.h 2006-03-23 16:59:37 +00:00
fiq.c [ARM] 3256/1: Make the function-returning ldm's use sp as the base register 2006-01-12 16:53:51 +00:00
head.S Merge nommu tree 2006-03-25 22:08:55 +00:00
init_task.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
io.c [ARM] Fix compiler warnings for memcpy_toio/memcpy_fromio/memset_io 2005-09-24 10:42:06 +01:00
irq.c [ARM] Quieten spurious IRQ detection 2006-03-22 10:22:58 +00:00
isa.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
iwmmxt.S kbuild: arm - use generic asm-offsets.h support 2005-09-09 21:08:59 +02:00
Makefile [ARM] 3109/1: old ABI compat: syscall wrappers for ABI impedance matching 2006-01-14 16:35:31 +00:00
module.c [ARM] 3205/1: Handle new EABI relocations when loading kernel modules. 2005-12-14 22:04:22 +00:00
process.c [ARM] 3363/1: [cleanup] process.c - fix warnings 2006-03-15 23:17:23 +00:00
ptrace.c [ARM] Fix "thead" typo 2006-03-15 14:57:13 +00:00
ptrace.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
semaphore.c [ARM] 3103/1: ARM EABI: stack pointer must be 64-bit aligned (part 2) 2006-01-14 16:18:09 +00:00
setup.c [ARM] Move read of processor ID out of lookup_processor_type() 2006-03-21 22:03:22 +00:00
signal.c [ARM] 3270/1: ARM EABI: fix sigreturn and rt_sigreturn 2006-01-18 22:38:47 +00:00
signal.h [ARM] 3270/1: ARM EABI: fix sigreturn and rt_sigreturn 2006-01-18 22:38:47 +00:00
smp.c [ARM] SMP: don't set cpu_*_map in smp_prepare_boot_cpu 2006-03-25 21:37:29 +00:00
sys_arm.c [ARM] noMMU: block sys_fork in nommu mode 2006-03-21 22:03:19 +00:00
sys_oabi-compat.c [ARM] 3338/1: old ABI compat: sys_socketcall 2006-02-16 22:36:13 +00:00
time.c [PATCH] fix next_timer_interrupt() for hrtimer 2006-03-06 18:40:44 -08:00
traps.c [ARM] 3030/2: fix permission check in the obscur cmpxchg syscall 2006-03-25 22:44:05 +00:00
vmlinux.lds.S [ARM] Make kernel link address depend on PAGE_OFFSET 2006-01-03 17:28:33 +00:00