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

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Message-ID: <186227.1576107233@turing-police>
Date:   Wed, 11 Dec 2019 18:33:53 -0500
From:   "Valdis Klētnieks" <valdis.kletnieks@...edu>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86/microcode: make stub function static inline

On Wed, 11 Dec 2019 22:38:19 +0100, Borislav Petkov said:

> >   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.

Were you building with W=1 (so gcc issues extra warnings) and C=1 or 2 so sparse is run?


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