The following commit has been merged into the x86/entry branch of tip:
Commit-ID: 3d51507f29f2153a658df4a0674ec5b592b62085 Gitweb: https://git.kernel.org/tip/3d51507f29f2153a658df4a0674ec5b592b62085 Author: Thomas Gleixner tglx@linutronix.de AuthorDate: Tue, 25 Feb 2020 22:36:37 +01:00 Committer: Thomas Gleixner tglx@linutronix.de CommitterDate: Thu, 27 Feb 2020 14:48:38 +01:00
x86/entry/32: Add missing ASM_CLAC to general_protection entry
All exception entry points must have ASM_CLAC right at the beginning. The general_protection entry is missing one.
Fixes: e59d1b0a2419 ("x86-32, smap: Add STAC/CLAC instructions to 32-bit kernel entry") Signed-off-by: Thomas Gleixner tglx@linutronix.de Reviewed-by: Frederic Weisbecker frederic@kernel.org Reviewed-by: Alexandre Chartre alexandre.chartre@oracle.com Reviewed-by: Andy Lutomirski luto@kernel.org Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20200225220216.219537887@linutronix.de
--- arch/x86/entry/entry_32.S | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index 7e05604..39243df 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -1694,6 +1694,7 @@ SYM_CODE_START(int3) SYM_CODE_END(int3)
SYM_CODE_START(general_protection) + ASM_CLAC pushl $do_general_protection jmp common_exception SYM_CODE_END(general_protection)