linux-kernel - Re: [PATCH v5 21/21] x86/pvlocks: Move paravirt spinlock functions into own header

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Message-ID: <20260113065718.GD3099059@liuwe-devbox-debian-v2.local>
Date: Tue, 13 Jan 2026 06:57:18 +0000
From: Wei Liu <wei.liu@...nel.org>
To: Juergen Gross <jgross@...e.com>
Cc: linux-kernel@...r.kernel.org, x86@...nel.org,
	linux-hyperv@...r.kernel.org, virtualization@...ts.linux.dev,
	kvm@...r.kernel.org, "K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
	Long Li <longli@...rosoft.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Ajay Kaher <ajay.kaher@...adcom.com>,
	Alexey Makhalov <alexey.makhalov@...adcom.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Vitaly Kuznetsov <vkuznets@...hat.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	Josh Poimboeuf <jpoimboe@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	xen-devel@...ts.xenproject.org
Subject: Re: [PATCH v5 21/21] x86/pvlocks: Move paravirt spinlock functions
 into own header

On Mon, Jan 05, 2026 at 12:05:20PM +0100, Juergen Gross wrote:
> Instead of having the pv spinlock function definitions in paravirt.h,
> move them into the new header paravirt-spinlock.h.
> 
> Signed-off-by: Juergen Gross <jgross@...e.com>
> ---
> V2:
> - use new header instead of qspinlock.h
> - use dedicated pv_ops_lock array
> - move more paravirt related lock code
> V3:
> - hide native_pv_lock_init() with CONFIG_SMP (kernel test robot)
> V4:
> - don't reference pv_ops_lock without CONFIG_PARAVIRT_SPINLOCKS
>   (kernel test robot)
> V5:
> - move paravirt_set_cap() declaration into paravirt-base.h
>   (kernel test robot)
> ---
>  arch/x86/hyperv/hv_spinlock.c            |  10 +-

Acked-by: Wei Liu (Microsoft) <wei.liu@...nel.org