Re: [PATCH 0/6] IBPB cleanups and a fixup

Josh Poimboeuf
2025-02-20T20:47:26Z

On Thu, Feb 20, 2025 at 07:59:54PM +0000, Yosry Ahmed wrote:
> > static inline void indirect_branch_prediction_barrier(void)
> > {
> > asm volatile(ALTERNATIVE("", "call write_ibpb", X86_FEATURE_IBPB)
> > : ASM_CALL_CONSTRAINT
> > : : "rax", "rcx", "rdx", "memory");
> > }
> >
> > I also renamed "entry_ibpb" -> "write_ibpb" since it's no longer just
> > for entry code.
>
> Do you want me to add this in this series or do you want to do it on top
> of it? If you have a patch lying around I can also include it as-is.

Your patches are already an improvement and can be taken as-is:

Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>

I'll try to dust off my patches soon and rebase them on yours.

--
Josh