linux-kernel - Re: [PATCH] x86/kvm: Fix broken irq restoration in kvm

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Message-ID: <e363db67-598b-619a-f844-d68dfb1d041a@redhat.com>
Date:   Sat, 13 Mar 2021 10:29:53 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Wanpeng Li <kernellwp@...il.com>,
        Sean Christopherson <seanjc@...gle.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, kvm <kvm@...r.kernel.org>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>,
        Mark Rutland <mark.rutland@....com>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] x86/kvm: Fix broken irq restoration in kvm_wait

On 13/03/21 01:57, Wanpeng Li wrote:
>> A third option would be to split the paths.  In the end, it's only the ptr/val
>> line that's shared.
> I just sent out a formal patch for my alternative fix, I think the
> whole logic in kvm_wait is more clear w/ my version.
> 

I don't know, having three "if"s in 10 lines of code is a bit daunting.

Paolo