linux-kernel - Re: [PATCH] KVM: X86: Use IPI shorthands in kvm guest when support

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Message-ID: <alpine.DEB.2.21.1907260917340.1791@nanos.tec.linutronix.de>
Date:   Fri, 26 Jul 2019 09:20:09 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Wanpeng Li <kernellwp@...il.com>
cc:     LKML <linux-kernel@...r.kernel.org>, kvm <kvm@...r.kernel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Nadav Amit <namit@...are.com>
Subject: Re: [PATCH] KVM: X86: Use IPI shorthands in kvm guest when support

On Fri, 26 Jul 2019, Wanpeng Li wrote:
> On Fri, 26 Jul 2019 at 14:10, Wanpeng Li <kernellwp@...il.com> wrote:
> >  static void kvm_send_ipi_all(int vector)
> >  {
> > -       __send_ipi_mask(cpu_online_mask, vector);
> > +       if (static_branch_likely(&apic_use_ipi_shorthand))
> > +               orig_apic.send_IPI_allbutself(vector);
> 
> Make a mistake here, just resend the patch.

Please don't use [RESEND] if the patch is different. Use [PATCH v2].

[RESEND] is used when you actually resend an unmodified patch, e.g. when
the first submission was ignored for a longer time.

Thanks,

	tglx