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| author | Andi Kleen <ak@suse.de> | 2007-06-20 12:23:35 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-06-20 14:27:26 -0700 |
| commit | 55181000cd60334fe920c65ffbcdfe0e3f1de406 (patch) | |
| tree | 64ecf0214b425e42013b631d8acdcacfafa43048 /arch | |
| parent | 9f1f79e641c548ee93fb20f69c9a404b92ee4fdd (diff) | |
| download | kernel_samsung_smdk4412-55181000cd60334fe920c65ffbcdfe0e3f1de406.zip kernel_samsung_smdk4412-55181000cd60334fe920c65ffbcdfe0e3f1de406.tar.gz kernel_samsung_smdk4412-55181000cd60334fe920c65ffbcdfe0e3f1de406.tar.bz2 | |
x86: Disable KPROBES with DEBUG_RODATA for now
Right now Kprobes cannot write to the write protected kernel text when
DEBUG_RODATA is enabled. Disallow this in Kconfig for now.
Temporary fix for 2.6.22. In .23 add code to temporarily
unprotect it.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/i386/Kconfig.debug | 1 | ||||
| -rw-r--r-- | arch/x86_64/Kconfig.debug | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/arch/i386/Kconfig.debug b/arch/i386/Kconfig.debug index b31c080..6293920 100644 --- a/arch/i386/Kconfig.debug +++ b/arch/i386/Kconfig.debug @@ -49,6 +49,7 @@ config DEBUG_PAGEALLOC config DEBUG_RODATA bool "Write protect kernel read-only data structures" depends on DEBUG_KERNEL + depends on !KPROBES # temporary for 2.6.22 help Mark the kernel read-only data as write-protected in the pagetables, in order to catch accidental (and incorrect) writes to such const diff --git a/arch/x86_64/Kconfig.debug b/arch/x86_64/Kconfig.debug index 775d211..8a86775 100644 --- a/arch/x86_64/Kconfig.debug +++ b/arch/x86_64/Kconfig.debug @@ -9,6 +9,7 @@ source "lib/Kconfig.debug" config DEBUG_RODATA bool "Write protect kernel read-only data structures" depends on DEBUG_KERNEL + depends on !KPROBES # temporary for 2.6.22 help Mark the kernel read-only data as write-protected in the pagetables, in order to catch accidental (and incorrect) writes to such const data. |