Re: [PATCH v22 8/8] x86/vdso: Add ENDBR64 to __vdso_sgx_enter_enclave

[Borislav Petkov]

On Wed, Mar 10, 2021 at 02:55:55PM -0800, Yu, Yu-cheng wrote:
> > > @@ -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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