Re: [PATCH v2 1/2] KVM: VMX: Move IRQ invocation to assembly subroutine

From: Uros Bizjak
Date: Tue Sep 15 2020 - 15:38:58 EST


On Tue, Sep 15, 2020 at 9:15 PM Sean Christopherson
<sean.j.christopherson@xxxxxxxxx> wrote:
>
> Move the asm blob that invokes the appropriate IRQ handler after VM-Exit
> into a proper subroutine. Unconditionally create a stack frame in the
> subroutine so that, as objtool sees things, the function has standard
> stack behavior. The dynamic stack adjustment makes using unwind hints
> problematic.
>
> Suggested-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
> Cc: Uros Bizjak <ubizjak@xxxxxxxxx>
> Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>

Acked-by: Uros Bizjak <ubizjak@xxxxxxxxx>

Uros.