From: Borislav Petkov <bp@alien8.de>
To: Nick Desaulniers <ndesaulniers@google.com>
Cc: Yang Li <yang.lee@linux.alibaba.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
"maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)"
<x86@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
Nathan Chancellor <nathan@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
clang-built-linux <clang-built-linux@googlegroups.com>,
Masahiro Yamada <masahiroy@kernel.org>
Subject: Re: [PATCH] x86/kernel: remove unneeded dead-store initialization
Date: Wed, 7 Apr 2021 21:03:28 +0200 [thread overview]
Message-ID: <20210407190328.GM25319@zn.tnic> (raw)
In-Reply-To: <CAKwvOdnuKazNhqXAM9Qj7DgCW=PqVHkyyfYWytmkyBzv0QeYsw@mail.gmail.com>
On Wed, Apr 07, 2021 at 10:41:26AM -0700, Nick Desaulniers wrote:
> You do have clang-tidy installed right? `which clang-tidy`?
Yah, installed that and was able to repro:
arch/x86/kernel/cpu/cacheinfo.c:880:24: warning: Value stored to 'this_cpu_ci' during its initialization is never read [clang-analyzer-deadcode.DeadStores]
struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
arch/x86/kernel/cpu/cacheinfo.c:880:24: note: Value stored to 'this_cpu_ci' during its initialization is never read
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2021-04-07 19:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-31 8:00 [PATCH] x86/kernel: remove unneeded dead-store initialization Yang Li
2021-03-31 17:49 ` Nick Desaulniers
2021-04-07 12:02 ` Borislav Petkov
2021-04-07 17:41 ` Nick Desaulniers
2021-04-07 19:03 ` Borislav Petkov [this message]
2021-04-07 19:07 ` Borislav Petkov
2021-04-07 21:31 ` Nick Desaulniers
2021-04-07 19:22 ` [tip: x86/cleanups] x86/cacheinfo: Remove " tip-bot2 for Yang Li
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