linux-kernel - Re: [PATCH] x86/apic: KVM: Use guard() instead of mutex

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Message-ID: <aMnB36jJ14o68mGF@google.com>
Date: Tue, 16 Sep 2025 13:00:31 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Paolo Bonzini <pbonzini@...hat.com>, Thomas Gleixner <tglx@...utronix.de>, 
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org, 
	"H. Peter Anvin" <hpa@...or.com>, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Liao Yuanhong <liaoyuanhong@...o.com>
Subject: Re: [PATCH] x86/apic: KVM: Use guard() instead of mutex_lock() to
 simplify code

On Mon, Sep 15, 2025, Sean Christopherson wrote:
> On Mon, 01 Sep 2025 21:18:21 +0800, Liao Yuanhong wrote:
> > Using guard(mutex) instead of mutex_lock/mutex_unlock pair. Simplifies the
> > error handling to just return in case of error. No need for the 'out' label
> > and variable 'ret' anymore so remove it.
> 
> Applied to kvm-x86 misc, thanks!
> 
> [1/1] x86/apic: KVM: Use guard() instead of mutex_lock() to simplify code
>       https://github.com/kvm-x86/linux/commit/50f4db196766

I force pushed to fixup an unrelated commit, new hash:

      https://github.com/kvm-x86/linux/commit/4319fa120f0f