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From: Nathan Chancellor <natechancellor@gmail.com>
To: Sasha Levin <sashal@kernel.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>,
	Nick Desaulniers <ndesaulniers@google.com>,
	stable@vger.kernel.org
Subject: Re: [PATCH] Makefile: Add '-fno-builtin-bcmp' to CLANG_FLAGS
Date: Mon, 25 Mar 2019 07:02:36 -0700	[thread overview]
Message-ID: <20190325140236.GB13100@archlinux-ryzen> (raw)
In-Reply-To: <20190325003834.2F24E2133F@mail.kernel.org>

On Mon, Mar 25, 2019 at 12:38:33AM +0000, Sasha Levin wrote:
> Hi,
> 
> [This is an automated email]
> 
> This commit has been processed because it contains a -stable tag.
> The stable tag indicates that it's relevant for the following trees: all
> 
> The bot has tested the following trees: v5.0.3, v4.19.30, v4.14.107, v4.9.164, v4.4.176, v3.18.136.
> 
> v5.0.3: Build OK!
> v4.19.30: Build OK!
> v4.14.107: Build OK!
> v4.9.164: Build OK!
> v4.4.176: Failed to apply! Possible dependencies:
>     238bcbc4e07f ("kbuild: consolidate Clang compiler flags")
>     dbe27a002ef8 ("kbuild: add -no-integrated-as Clang option unconditionally")
> 
> v3.18.136: Failed to apply! Possible dependencies:
>     238bcbc4e07f ("kbuild: consolidate Clang compiler flags")
>     35288e30ebca ("Kbuild: fix file name in comment about extra gcc checks")
>     5631d9c42985 ("kbuild: Fix clang detection")
>     665d92e38f65 ("kbuild: do not add $(call ...) to invoke cc-version or cc-fullversion")
>     785f11aa595b ("kbuild: Add better clang cross build support")
>     92d6cf2dab83 ("powerpc: Don't use -mno-strict-align on clang")
>     a37c45cd82e6 ("kbuild: clang: add -no-integrated-as to KBUILD_[AC]FLAGS")
>     ae6b289a3789 ("kbuild: Set KBUILD_CFLAGS before incl. arch Makefile")
>     bb3f38c3c5b7 ("kbuild: clang: fix build failures with sparse check")
>     bfb38988c51e ("kbuild: clang: Disable 'address-of-packed-member' warning")
>     dd33c03b18b3 ("kbuild: fix cc-ifversion macro")
>     e79c8385c878 ("powerpc: Don't do gcc version checks if we're building with clang")
>     ee4eb20dbce9 ("Makefile: Fix detection of clang when cross-compiling")
>     ef8c4ed9db80 ("kbuild: allow to use GCC toolchain not in Clang search path")
> 
> 
> How should we proceed with this patch?
> 
> --
> Thanks,
> Sasha

Hi Sasha,

This patch will not be picked up, Nick's patch is a much better fix,
which should apply cleanly to all stable branches after it makes it into
mainline.

https://lore.kernel.org/lkml/20190313211335.165605-1-ndesaulniers@google.com/

Thanks for letting us know!
Nathan

      parent reply	other threads:[~2019-03-25 14:02 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-12 21:52 [PATCH] Makefile: Add '-fno-builtin-bcmp' to CLANG_FLAGS Nathan Chancellor
2019-03-12 22:55 ` Nick Desaulniers
2019-03-13  8:13 ` Rasmus Villemoes
2019-03-13 10:58   ` Masahiro Yamada
2019-03-13 13:44   ` Nathan Chancellor
2019-03-13 13:48     ` Arnd Bergmann
2019-03-13 15:32       ` Nathan Chancellor
2019-03-13 17:21         ` Nick Desaulniers
2019-03-13 17:27           ` Nick Desaulniers
2019-03-13 18:02             ` [PATCH] lib/string.c: implement a basic bcmp Nick Desaulniers
2019-03-13 18:11               ` Nick Desaulniers
2019-03-13 18:17                 ` [PATCH v2] " Nick Desaulniers
2019-03-13 18:40                   ` Steven Rostedt
2019-03-13 18:51                     ` Nick Desaulniers
2019-03-13 19:01                       ` Steven Rostedt
2019-03-13 19:34                         ` Rasmus Villemoes
2019-03-13 20:12                           ` Steven Rostedt
2019-03-13 20:37                             ` [PATCH v3] " Nick Desaulniers
2019-03-13 21:03                               ` Steven Rostedt
2019-03-13 21:13                                 ` [PATCH v4] " Nick Desaulniers
2019-03-14  3:15                                   ` Nathan Chancellor
2019-03-14  5:00                                   ` Masahiro Yamada
2019-03-14  8:33                                   ` Andy Shevchenko
2019-03-14  9:57                                   ` David Laight
2019-03-14 11:07                                     ` Rasmus Villemoes
2019-03-21  2:11                                   ` Andrew Morton
2019-03-21 17:02                                     ` Nick Desaulniers
2019-03-21 17:20                                       ` Nick Desaulniers
2019-03-21 21:05                                       ` Andrew Morton
2019-03-13 19:38             ` [PATCH] Makefile: Add '-fno-builtin-bcmp' to CLANG_FLAGS Arnd Bergmann
     [not found] ` <20190325003834.2F24E2133F@mail.kernel.org>
2019-03-25 14:02   ` Nathan Chancellor [this message]

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