2ce9804fbd
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> |
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| .. | ||
| apm.c | ||
| armksyms.c | ||
| arthur.c | ||
| asm-offsets.c | ||
| bios32.c | ||
| calls.S | ||
| compat.c | ||
| compat.h | ||
| debug.S | ||
| dma-isa.c | ||
| dma.c | ||
| ecard.c | ||
| entry-armv.S | ||
| entry-common.S | ||
| entry-header.S | ||
| fiq.c | ||
| head.S | ||
| init_task.c | ||
| io.c | ||
| irq.c | ||
| isa.c | ||
| iwmmxt.S | ||
| Makefile | ||
| module.c | ||
| process.c | ||
| ptrace.c | ||
| ptrace.h | ||
| semaphore.c | ||
| setup.c | ||
| signal.c | ||
| signal.h | ||
| smp.c | ||
| sys_arm.c | ||
| sys_oabi-compat.c | ||
| time.c | ||
| traps.c | ||
| vmlinux.lds.S | ||