Re: [PATCH 09/11] x86/boot: Support parallel startup of secondary CPUs

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Subject: Re: [PATCH 09/11] x86/boot: Support parallel startup of secondary CPUs
From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Thu, 9 Dec 2021 16:50:55 +0100
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, x86@xxxxxxxxxx, "H. Peter Anvin" <hpa@xxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, "Paul E. McKenney" <paulmck@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, rcu@xxxxxxxxxxxxxxx, mimoja@xxxxxxxxx, hewenliang4@xxxxxxxxxx, hushiyuan@xxxxxxxxxx, luolongjun@xxxxxxxxxx, hejingxian@xxxxxxxxxx
In-reply-to: <20211209150938.3518-10-dwmw2@infradead.org>
References: <20211209150938.3518-1-dwmw2@infradead.org> <20211209150938.3518-10-dwmw2@infradead.org>

On Thu, Dec 09, 2021 at 03:09:36PM +0000, David Woodhouse wrote:

> +	lock
> +	btrl	$0, (%rax)


> +	lock
> +	btsw	$0, tr_lock

I find that really weird style, but whatever..

Follow-Ups:
- Re: [PATCH 09/11] x86/boot: Support parallel startup of secondary CPUs
  - From: David Woodhouse

References:
- [PATCH 00/11] Parallel CPU bringup for x86_64
  - From: David Woodhouse
- [PATCH 09/11] x86/boot: Support parallel startup of secondary CPUs
  - From: David Woodhouse

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