linux-kernel - Re: [PATCH 02/10] x86, asm: use bool for bitops and other assembly outputs

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Message-ID: <990829a2-036a-c1c7-35ac-d5dfecaa7b0d@zytor.com>
Date:	Wed, 8 Jun 2016 02:43:14 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Ingo Molnar <mingo@...nel.org>,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andy Lutomirski <luto@...capital.net>,
	Borislav Petkov <bp@...en8.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH 02/10] x86, asm: use bool for bitops and other assembly
 outputs

On 06/08/16 02:39, Peter Zijlstra wrote:
> 
> So I think using bool as return type or argument is fine, using it in
> structures is 'insane'.
> 

Yes, scalar use only, and not across the kernel boundary, please.

	-hpa