Re: [patch V6 27/37] x86/entry: Convert KVM vectors to IDTENTRY_SYSVEC
From: Andy Lutomirski
Date: Tue May 19 2020 - 20:30:26 EST
On Fri, May 15, 2020 at 5:10 PM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>
>
> Convert KVM specific system vectors to IDTENTRY_SYSVEC*:
>
> The two empty stub handlers which only increment the stats counter do no
> need to run on the interrupt stack. Use IDTENTRY_SYSVEC_DIRECT for them.
>
> The wakeup handler does more work and runs on the interrupt stack.
>
> None of these handlers need to save and restore the irq_regs pointer.
Acked-by: Andy Lutomirski <luto@xxxxxxxxxx>