linux-kernel - Re: [PATCH v6 0/2] x86/asm/bitops: optimize ff{s,z} functions for constant expressions

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Message-ID: <CAMZ6RqJJZSsnd8e=WATDVN2S2gFq1h-iCNstaakUXSubWP+img@mail.gmail.com>
Date:   Fri, 2 Sep 2022 10:19:00 +0900
From:   Vincent MAILHOL <mailhol.vincent@...adoo.fr>
To:     Yury Norov <yury.norov@...il.com>
Cc:     Borislav Petkov <bp@...en8.de>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H . Peter Anvin" <hpa@...or.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Tom Rix <trix@...hat.com>, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev, David Howells <dhowells@...hat.com>,
        Jan Beulich <JBeulich@...e.com>,
        Christophe Jaillet <christophe.jaillet@...adoo.fr>,
        Joe Perches <joe@...ches.com>,
        Josh Poimboeuf <jpoimboe@...nel.org>
Subject: Re: [PATCH v6 0/2] x86/asm/bitops: optimize ff{s,z} functions for
 constant expressions

On Tue. 31 Aug 2022 at 17:51, Yury Norov <yury.norov@...il.com> wrote:
> On Wed, Aug 31, 2022 at 04:57:40PM +0900, Vincent Mailhol wrote:
(...)
> Please keep me in loop in case of new versions.

A side comment, but if you want not to miss such discussion again in
the future, why not do this?

diff --git a/MAINTAINERS b/MAINTAINERS
index 56af0182a93b..f6caf4252799 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3602,6 +3602,7 @@ M:        Yury Norov <yury.norov@...il.com>
 R:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
 R:     Rasmus Villemoes <linux@...musvillemoes.dk>
 S:     Maintained
+F:     arch/*/include/asm/bitops.h
 F:     include/linux/bitmap.h
 F:     include/linux/cpumask.h
 F:     include/linux/find.h

N.B. this is just a suggestion, please feel free to discard it.

> Thanks,
> Yury