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| author | Jan Beulich <jbeulich@novell.com> | 2006-01-11 22:42:20 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-11 19:01:10 -0800 |
| commit | 505cc4e1d6885acaee008950ac9c6e838f2209f8 (patch) | |
| tree | 068e4d458f02003853d7d9a1a8a6b72338222f94 /arch/x86_64/kernel/entry.S | |
| parent | eca37c18beb306dd9dea4579d7214e1b4414b3fb (diff) | |
| download | linux-505cc4e1d6885acaee008950ac9c6e838f2209f8.tar.gz linux-505cc4e1d6885acaee008950ac9c6e838f2209f8.tar.bz2 linux-505cc4e1d6885acaee008950ac9c6e838f2209f8.zip | |
[PATCH] x86_64: Remove unprotected iret
Make sure no iret can fault without attached recovery code.
Cannot happen in the normal case, but might be useful
with kernel debuggers
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/kernel/entry.S')
| -rw-r--r-- | arch/x86_64/kernel/entry.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S index 9ff42041bb6b..bd21ebafaf66 100644 --- a/arch/x86_64/kernel/entry.S +++ b/arch/x86_64/kernel/entry.S @@ -754,7 +754,7 @@ error_exit: jnz retint_careful swapgs RESTORE_ARGS 0,8,0 - iretq + jmp iret_label CFI_ENDPROC error_kernelspace: |