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| author |   Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> | 2009-03-19 10:56:29 -0700 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2009-03-20 19:01:31 +0100 |
| commit | 14fc9fbc700dc95b4f46ebd588169324fe6deff8 (patch) | |
| tree | db11b6437bc9600295f415ab4d087da861ecbe97 /arch/x86/mm/fault.c | |
| parent | Merge branches 'x86/cleanups', 'x86/mm', 'x86/setup' and 'linus' into x86/core (diff) | |
| download | linux-dev-14fc9fbc700dc95b4f46ebd588169324fe6deff8.tar.xz linux-dev-14fc9fbc700dc95b4f46ebd588169324fe6deff8.zip | |
x86: signal: check signal stack overflow properly
Impact: cleanup
Check alternate signal stack overflow with proper stack pointer.
The stack pointer of the next signal frame is different if that
task has i387 state.
On x86_64, redzone would be included.
No need to check SA_ONSTACK if we're already using alternate signal stack.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Cc: Roland McGrath <roland@redhat.com>
LKML-Reference: <49C2874D.3080002@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/fault.c')
0 files changed, 0 insertions, 0 deletions