linux-kernel - Re: [PATCH v4 02/11] x86/bhi: Move the BHB sequence to a macro for reuse

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Message-ID: <20251120165702.a6ktnsry5zkupp4g@desk>
Date: Thu, 20 Nov 2025 08:57:02 -0800
From: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
To: Nikolay Borisov <nik.borisov@...e.com>
Cc: x86@...nel.org, David Kaplan <david.kaplan@....com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Josh Poimboeuf <jpoimboe@...nel.org>,
	Sean Christopherson <seanjc@...gle.com>,
	Paolo Bonzini <pbonzini@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	Asit Mallick <asit.k.mallick@...el.com>,
	Tao Zhang <tao1.zhang@...el.com>
Subject: Re: [PATCH v4 02/11] x86/bhi: Move the BHB sequence to a macro for
 reuse

On Thu, Nov 20, 2025 at 06:28:51PM +0200, Nikolay Borisov wrote:
> 
> 
> On 11/20/25 08:18, Pawan Gupta wrote:
> > In preparation to make clear_bhb_loop() work for CPUs with larger BHB, move
> > the sequence to a macro. This will allow setting the depth of BHB-clearing
> > easily via arguments.
> > 
> > No functional change intended.
> > 
> > Signed-off-by: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
> 
> Reviewed-by: Nikolay Borisov <nik.borisov@...e.com>

Thanks.