linux-kernel - RE: [PATCH] x86/microcode: make stub function static inline

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Date:   Thu, 12 Dec 2019 12:22:01 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Borislav Petkov' <bp@...en8.de>,
        Valdis Klētnieks <valdis.kletnieks@...edu>
CC:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] x86/microcode: make stub function static inline

From Borislav Petkov
> Sent: 11 December 2019 21:38
> On Thu, Dec 05, 2019 at 10:44:33PM -0500, Valdis Klētnieks wrote:
> > When building with C=1 W=1, both sparse and gcc complain:
> >
> >   CHECK   arch/x86/kernel/cpu/microcode/core.c
> > ./arch/x86/include/asm/microcode_amd.h:56:6: warning: symbol 'reload_ucode_amd' was not declared. Should it be static?
> >   CC      arch/x86/kernel/cpu/microcode/core.o
> > In file included from arch/x86/kernel/cpu/microcode/core.c:36:
> > ./arch/x86/include/asm/microcode_amd.h:56:6: warning: no previous prototype for 'reload_ucode_amd' [-Wmissing-prototypes
> > ]
> 
> Hmm, I don't see this with gcc 9.2 and sparse 0.6.1 here.

ISTR it is gcc-version dependant.

	David

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