Re: [PATCH v22 8/8] x86/vdso: Add ENDBR64 to __vdso_sgx_enter_enclave
- From
- Borislav Petkov <bp@alien8.de>
- Date
- 2021-03-10 23:18:36
- Also in
- linux-api, linux-arch, linux-mm, lkml
- Reply to
- Yu, Yu-cheng, 2021-03-10
On Wed, Mar 10, 2021 at 02:55:55PM -0800, Yu, Yu-cheng wrote:
quoted
quoted
@@ -27,6 +27,9 @@ SYM_FUNC_START(__vdso_sgx_enter_enclave) /* Prolog */ .cfi_startproc +#ifdef CONFIG_X86_CET + endbr64 +#endif
You can hide this ifdeffery in a macro and have
ENDBR64
at the callsite and define
.macro ENDBR64
#ifdef CONFIG_X86_CET
endbr64
#endif
.endm
or so, perhaps. Ditto for endbr32.
Thx.
--
Regards/Gruss,
Boris.
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