diff options
| author | Anthony Steinhauser <asteinhauser@google.com> | 2019-12-26 23:45:12 +0300 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-01-02 12:54:53 +0300 |
| commit | fae7bfcc78146057ac2730719de8d5e41de19540 (patch) | |
| tree | 6e27c7be61dc2c63dcf4f9f47745e6f52ef3006f /arch/x86/include/asm/nospec-branch.h | |
| parent | bff47c2302cc249bcd550b17067f8dddbd4b6f77 (diff) | |
| download | linux-fae7bfcc78146057ac2730719de8d5e41de19540.tar.xz | |
x86/nospec: Remove unused RSB_FILL_LOOPS
It was never really used, see
117cc7a908c8 ("x86/retpoline: Fill return stack buffer on vmexit")
[ bp: Massage. ]
Signed-off-by: Anthony Steinhauser <asteinhauser@google.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/20191226204512.24524-1-asteinhauser@google.com
Diffstat (limited to 'arch/x86/include/asm/nospec-branch.h')
| -rw-r--r-- | arch/x86/include/asm/nospec-branch.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h index 5c24a7b35166..07e95dcb40ad 100644 --- a/arch/x86/include/asm/nospec-branch.h +++ b/arch/x86/include/asm/nospec-branch.h @@ -37,7 +37,6 @@ */ #define RSB_CLEAR_LOOPS 32 /* To forcibly overwrite all entries */ -#define RSB_FILL_LOOPS 16 /* To avoid underflow */ /* * Google experimented with loop-unrolling and this turned out to be |