From: Nathan Chancellor <natechancellor@gmail.com>
To: Sami Tolvanen <samitolvanen@google.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>,
Will Deacon <will@kernel.org>,
Masahiro Yamada <masahiroy@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Paul E. McKenney" <paulmck@kernel.org>,
Kees Cook <keescook@chromium.org>,
clang-built-linux <clang-built-linux@googlegroups.com>,
Kernel Hardening <kernel-hardening@lists.openwall.com>,
linux-arch <linux-arch@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-kbuild <linux-kbuild@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
PCI <linux-pci@vger.kernel.org>, Jian Cai <jiancai@google.com>,
Kristof Beyls <Kristof.Beyls@arm.com>
Subject: Re: [PATCH v8 00/16] Add support for Clang LTO
Date: Mon, 7 Dec 2020 17:46:59 -0700 [thread overview]
Message-ID: <20201208004659.GA587492@ubuntu-m3-large-x86> (raw)
In-Reply-To: <CABCJKue9TJnhge6TVPj9vfZXPGD4RW2JYiN3kNwVKNovTCq8ZA@mail.gmail.com>
On Sun, Dec 06, 2020 at 12:09:31PM -0800, Sami Tolvanen wrote:
> Sure, looks good to me. However, I think we should also test for
> LLVM=1 to avoid possible further issues with mismatched toolchains
> instead of only checking for llvm-nm and llvm-ar.
It might still be worth testing for $(AR) and $(NM) because in theory, a
user could say 'make AR=ar LLVM=1'. Highly unlikely I suppose but worth
considering.
Cheers,
Nathan
WARNING: multiple messages have this Message-ID (diff)
From: Nathan Chancellor <natechancellor@gmail.com>
To: Sami Tolvanen <samitolvanen@google.com>
Cc: linux-arch <linux-arch@vger.kernel.org>,
Kees Cook <keescook@chromium.org>,
"Paul E. McKenney" <paulmck@kernel.org>,
Kernel Hardening <kernel-hardening@lists.openwall.com>,
Peter Zijlstra <peterz@infradead.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Masahiro Yamada <masahiroy@kernel.org>,
linux-kbuild <linux-kbuild@vger.kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
LKML <linux-kernel@vger.kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
Jian Cai <jiancai@google.com>,
clang-built-linux <clang-built-linux@googlegroups.com>,
PCI <linux-pci@vger.kernel.org>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Kristof Beyls <Kristof.Beyls@arm.com>,
Will Deacon <will@kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v8 00/16] Add support for Clang LTO
Date: Mon, 7 Dec 2020 17:46:59 -0700 [thread overview]
Message-ID: <20201208004659.GA587492@ubuntu-m3-large-x86> (raw)
In-Reply-To: <CABCJKue9TJnhge6TVPj9vfZXPGD4RW2JYiN3kNwVKNovTCq8ZA@mail.gmail.com>
On Sun, Dec 06, 2020 at 12:09:31PM -0800, Sami Tolvanen wrote:
> Sure, looks good to me. However, I think we should also test for
> LLVM=1 to avoid possible further issues with mismatched toolchains
> instead of only checking for llvm-nm and llvm-ar.
It might still be worth testing for $(AR) and $(NM) because in theory, a
user could say 'make AR=ar LLVM=1'. Highly unlikely I suppose but worth
considering.
Cheers,
Nathan
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next prev parent reply other threads:[~2020-12-08 0:47 UTC|newest]
Thread overview: 141+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-01 21:36 [PATCH v8 00/16] Add support for Clang LTO Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:36 ` [PATCH v8 01/16] tracing: move function tracer options to Kconfig Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:47 ` Steven Rostedt
2020-12-01 21:47 ` Steven Rostedt
2020-12-01 21:36 ` [PATCH v8 02/16] kbuild: add support for Clang LTO Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-02 2:59 ` Masahiro Yamada
2020-12-02 2:59 ` Masahiro Yamada
2020-12-03 0:07 ` Nick Desaulniers
2020-12-03 0:07 ` Nick Desaulniers
2020-12-03 0:07 ` Nick Desaulniers
2020-12-01 21:36 ` [PATCH v8 03/16] kbuild: lto: fix module versioning Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:36 ` [PATCH v8 04/16] kbuild: lto: limit inlining Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:36 ` [PATCH v8 05/16] kbuild: lto: merge module sections Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:36 ` [PATCH v8 06/16] kbuild: lto: remove duplicate dependencies from .mod files Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:36 ` [PATCH v8 07/16] init: lto: ensure initcall ordering Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:36 ` [PATCH v8 08/16] init: lto: fix PREL32 relocations Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:36 ` Sami Tolvanen
2020-12-01 21:37 ` [PATCH v8 09/16] PCI: Fix PREL32 relocations for LTO Sami Tolvanen
2020-12-01 21:37 ` Sami Tolvanen
2020-12-01 21:37 ` Sami Tolvanen
2020-12-01 21:37 ` [PATCH v8 10/16] modpost: lto: strip .lto from module names Sami Tolvanen
2020-12-01 21:37 ` Sami Tolvanen
2020-12-01 21:37 ` Sami Tolvanen
2020-12-01 21:37 ` [PATCH v8 11/16] scripts/mod: disable LTO for empty.c Sami Tolvanen
2020-12-01 21:37 ` Sami Tolvanen
2020-12-01 21:37 ` Sami Tolvanen
2020-12-01 21:37 ` [PATCH v8 12/16] efi/libstub: disable LTO Sami Tolvanen
2020-12-01 21:37 ` Sami Tolvanen
2020-12-01 21:37 ` Sami Tolvanen
2020-12-01 21:37 ` [PATCH v8 13/16] drivers/misc/lkdtm: disable LTO for rodata.o Sami Tolvanen
2020-12-01 21:37 ` Sami Tolvanen
2020-12-01 21:37 ` Sami Tolvanen
2020-12-01 21:37 ` [PATCH v8 14/16] arm64: vdso: disable LTO Sami Tolvanen
2020-12-01 21:37 ` Sami Tolvanen
2020-12-01 21:37 ` Sami Tolvanen
2020-12-01 21:37 ` [PATCH v8 15/16] arm64: disable recordmcount with DYNAMIC_FTRACE_WITH_REGS Sami Tolvanen
2020-12-01 21:37 ` Sami Tolvanen
2020-12-01 21:37 ` Sami Tolvanen
2020-12-01 21:37 ` [PATCH v8 16/16] arm64: allow LTO to be selected Sami Tolvanen
2020-12-01 21:37 ` Sami Tolvanen
2020-12-01 21:37 ` Sami Tolvanen
2020-12-03 0:01 ` [PATCH v8 00/16] Add support for Clang LTO Nick Desaulniers
2020-12-03 0:01 ` Nick Desaulniers
2020-12-03 0:01 ` Nick Desaulniers
2020-12-03 11:26 ` Will Deacon
2020-12-03 11:26 ` Will Deacon
2020-12-03 17:07 ` Sami Tolvanen
2020-12-03 17:07 ` Sami Tolvanen
2020-12-03 17:07 ` Sami Tolvanen
2020-12-03 18:21 ` Nathan Chancellor
2020-12-03 18:21 ` Nathan Chancellor
2020-12-03 18:22 ` Will Deacon
2020-12-03 18:22 ` Will Deacon
2020-12-03 22:32 ` Nick Desaulniers
2020-12-03 22:32 ` Nick Desaulniers
2020-12-03 22:32 ` Nick Desaulniers
2020-12-04 9:35 ` Will Deacon
2020-12-04 9:35 ` Will Deacon
2020-12-04 22:52 ` Sami Tolvanen
2020-12-04 22:52 ` Sami Tolvanen
2020-12-04 22:52 ` Sami Tolvanen
2020-12-06 6:50 ` Nathan Chancellor
2020-12-06 6:50 ` Nathan Chancellor
2020-12-06 20:09 ` Sami Tolvanen
2020-12-06 20:09 ` Sami Tolvanen
2020-12-06 20:09 ` Sami Tolvanen
2020-12-08 0:46 ` Nathan Chancellor [this message]
2020-12-08 0:46 ` Nathan Chancellor
2020-12-08 12:15 ` Arnd Bergmann
2020-12-08 12:15 ` Arnd Bergmann
2020-12-08 12:15 ` Arnd Bergmann
2020-12-08 13:54 ` Arnd Bergmann
2020-12-08 13:54 ` Arnd Bergmann
2020-12-08 13:54 ` Arnd Bergmann
2020-12-08 16:53 ` Sami Tolvanen
2020-12-08 16:53 ` Sami Tolvanen
2020-12-08 16:53 ` Sami Tolvanen
2020-12-08 16:56 ` Arnd Bergmann
2020-12-08 16:56 ` Arnd Bergmann
2020-12-08 16:56 ` Arnd Bergmann
2020-12-08 16:43 ` Sami Tolvanen
2020-12-08 16:43 ` Sami Tolvanen
2020-12-08 16:43 ` Sami Tolvanen
2020-12-08 20:59 ` Arnd Bergmann
2020-12-08 20:59 ` Arnd Bergmann
2020-12-08 21:02 ` Arnd Bergmann
2020-12-08 21:02 ` Arnd Bergmann
2020-12-09 5:23 ` Fāng-ruì Sòng
2020-12-09 5:23 ` Fāng-ruì Sòng
2020-12-09 5:23 ` Fāng-ruì Sòng
2020-12-09 9:07 ` Arnd Bergmann
2020-12-09 9:07 ` Arnd Bergmann
2020-12-09 9:07 ` Arnd Bergmann
2020-12-09 9:59 ` Arnd Bergmann
2020-12-09 9:59 ` Arnd Bergmann
2020-12-09 16:09 ` Sami Tolvanen
2020-12-09 16:09 ` Sami Tolvanen
2020-12-09 16:09 ` Sami Tolvanen
2020-12-09 19:24 ` Arnd Bergmann
2020-12-09 19:24 ` Arnd Bergmann
2020-12-09 19:24 ` Arnd Bergmann
2020-12-08 21:09 ` Nick Desaulniers
2020-12-08 21:09 ` Nick Desaulniers
2020-12-08 21:09 ` Nick Desaulniers
2020-12-08 22:20 ` Arnd Bergmann
2020-12-08 22:20 ` Arnd Bergmann
2020-12-08 22:20 ` Arnd Bergmann
2020-12-09 16:11 ` Sami Tolvanen
2020-12-09 16:11 ` Sami Tolvanen
2020-12-09 16:11 ` Sami Tolvanen
2020-12-09 4:55 ` Fangrui Song
2020-12-09 4:55 ` Fangrui Song
2020-12-09 9:19 ` Arnd Bergmann
2020-12-09 9:19 ` Arnd Bergmann
2020-12-09 9:19 ` Arnd Bergmann
2020-12-09 12:35 ` Arnd Bergmann
2020-12-09 12:35 ` Arnd Bergmann
2020-12-09 12:35 ` Arnd Bergmann
2020-12-09 16:25 ` Sami Tolvanen
2020-12-09 16:25 ` Sami Tolvanen
2020-12-09 16:25 ` Sami Tolvanen
2020-12-09 17:51 ` Arnd Bergmann
2020-12-09 17:51 ` Arnd Bergmann
2020-12-09 17:51 ` Arnd Bergmann
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