linux-kernel - Re: Missing clobber on alternative use on Linux UM 32-bit

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Message-Id: <9D03E2C9-0571-418E-9075-6DD39DBA724F@gmail.com>
Date:   Mon, 6 Nov 2023 13:33:08 +0200
From:   Nadav Amit <nadav.amit@...il.com>
To:     David Laight <David.Laight@...lab.com>
Cc:     Anton Ivanov <anton.ivanov@...-begemot.co.uk>,
        Richard Weinberger <richard@....at>,
        "linux-um@...ts.infradead.org" <linux-um@...ts.infradead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: Missing clobber on alternative use on Linux UM 32-bit



> On Nov 5, 2023, at 5:47 PM, David Laight <David.Laight@...lab.com> wrote:
> 
> gcc always assumes that inline asm changes "cc" - there is no need
> to add a 'clobber' for it.

Thanks. I was unaware of this behavior.