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authorJann Horn <[email protected]>2018-11-27 14:32:00 +0100
committerBorislav Petkov <[email protected]>2018-11-27 17:55:45 +0100
commitac26d1f74cfc19c8dc9d533b5f20e99dbee3d9bd (patch)
treef62acf791b13705b3b0d76ea330b9fc749b7b398 /tools/perf/scripts/python
parent68239654acafe6aad5a3c1dc7237e60accfebc03 (diff)
x86/fpu: Use the correct exception table macro in the XSTATE_OP wrapper
Commit 75045f77f7a7 ("x86/extable: Introduce _ASM_EXTABLE_UA for uaccess fixups") incorrectly replaced the fixup entry for XSTATE_OP with a user-#PF-only fixup. XRSTOR can also raise #GP if the xstate content is invalid, and _ASM_EXTABLE_UA doesn't expect that. Change this fixup back to _ASM_EXTABLE so that #GP gets fixed up. Fixes: 75045f77f7a7 ("x86/extable: Introduce _ASM_EXTABLE_UA for uaccess fixups") Reported-by: Sebastian Andrzej Siewior <[email protected]> Signed-off-by: Jann Horn <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Acked-by: Sebastian Andrzej Siewior <[email protected]> Tested-by: Sebastian Andrzej Siewior <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: "Naveen N. Rao" <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: [email protected] Cc: x86-ml <[email protected]> Link: https://lkml.kernel.org/r/[email protected] Link: https://lkml.kernel.org/r/[email protected]
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