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| author | Borislav Petkov (AMD) <bp@alien8.de> | 2023-05-15 17:07:26 +0300 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2023-05-17 13:14:21 +0300 |
| commit | f220125b999b2c9694149c6bda2798d8096f47ed (patch) | |
| tree | 7cee09cfdcadf0a27866192d98be136f3a388130 /arch/x86/include/asm/fpu/sched.h | |
| parent | 7583e8fbdc49a4dbd916d14863cf1deeddb982f9 (diff) | |
| download | linux-f220125b999b2c9694149c6bda2798d8096f47ed.tar.xz | |
x86/retbleed: Add __x86_return_thunk alignment checks
Add a linker assertion and compute the 0xcc padding dynamically so that
__x86_return_thunk is always cacheline-aligned. Leave the SYM_START()
macro in as the untraining doesn't need ENDBR annotations anyway.
Suggested-by: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
Link: https://lore.kernel.org/r/20230515140726.28689-1-bp@alien8.de
Diffstat (limited to 'arch/x86/include/asm/fpu/sched.h')
0 files changed, 0 insertions, 0 deletions