From: Borislav Petkov <bp@alien8.de>
To: "Valdis Klētnieks" <valdis.kletnieks@vt.edu>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86/microcode: make stub function static inline
Date: Thu, 12 Dec 2019 09:58:09 +0100 [thread overview]
Message-ID: <20191212085757.GA4991@zn.tnic> (raw)
In-Reply-To: <186227.1576107233@turing-police>
On Wed, Dec 11, 2019 at 06:33:53PM -0500, Valdis Klētnieks wrote:
> Were you building with W=1 (so gcc issues extra warnings) and C=1 or 2
> so sparse is run?
[boris@zn: ~/kernel/linux> make W=1 C=1 arch/x86/kernel/cpu/microcode/
...
LINK /mnt/kernel/kernel/linux/tools/objtool/objtool
CHECK arch/x86/kernel/cpu/microcode/core.c
CC arch/x86/kernel/cpu/microcode/core.o
CHECK arch/x86/kernel/cpu/microcode/intel.c
CC arch/x86/kernel/cpu/microcode/intel.o
CHECK arch/x86/kernel/cpu/microcode/amd.c
arch/x86/kernel/cpu/microcode/amd.c:421:35: warning: Using plain integer as NULL pointer
arch/x86/kernel/cpu/microcode/amd.c:546:35: warning: Using plain integer as NULL pointer
CC arch/x86/kernel/cpu/microcode/amd.o
AR arch/x86/kernel/cpu/microcode/built-in.a
[boris@zn: ~/kernel/linux> git clean -dqfx
...
[boris@zn: ~/kernel/linux> make W=1 C=2 arch/x86/kernel/cpu/microcode/
LINK /mnt/kernel/kernel/linux/tools/objtool/objtool
CHECK arch/x86/kernel/cpu/microcode/core.c
CC arch/x86/kernel/cpu/microcode/core.o
CHECK arch/x86/kernel/cpu/microcode/intel.c
CC arch/x86/kernel/cpu/microcode/intel.o
CHECK arch/x86/kernel/cpu/microcode/amd.c
arch/x86/kernel/cpu/microcode/amd.c:421:35: warning: Using plain integer as NULL pointer
arch/x86/kernel/cpu/microcode/amd.c:546:35: warning: Using plain integer as NULL pointer
CC arch/x86/kernel/cpu/microcode/amd.o
AR arch/x86/kernel/cpu/microcode/built-in.a
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2019-12-12 8:58 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-06 3:44 [PATCH] x86/microcode: make stub function static inline Valdis Klētnieks
2019-12-11 21:38 ` Borislav Petkov
2019-12-11 23:33 ` Valdis Klētnieks
2019-12-12 8:58 ` Borislav Petkov [this message]
2019-12-12 10:06 ` Luc Van Oostenryck
2019-12-12 10:49 ` Borislav Petkov
2019-12-12 12:22 ` David Laight
2019-12-12 21:33 ` [tip: x86/microcode] x86/microcode/AMD: Make " tip-bot2 for Valdis Klētnieks
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