From: Kees Cook <keescook@chromium.org>
To: Sami Tolvanen <samitolvanen@google.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>,
Will Deacon <will@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Paul E. McKenney" <paulmck@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
clang-built-linux@googlegroups.com,
kernel-hardening@lists.openwall.com, linux-arch@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-pci@vger.kernel.org, x86@kernel.org
Subject: Re: [PATCH v3 13/30] kbuild: lto: postpone objtool
Date: Fri, 18 Sep 2020 14:27:34 -0700 [thread overview]
Message-ID: <202009181427.86DE61B@keescook> (raw)
In-Reply-To: <20200918201436.2932360-14-samitolvanen@google.com>
On Fri, Sep 18, 2020 at 01:14:19PM -0700, Sami Tolvanen wrote:
> With LTO, LLVM bitcode won't be compiled into native code until
> modpost_link, or modfinal for modules. This change postpones calls
> to objtool until after these steps, and moves objtool_args to
> Makefile.lib, so the arguments can be reused in Makefile.modfinal.
>
> Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Thanks for reorganizing this!
Reviewed-by: Kees Cook <keescook@chromium.org>
--
Kees Cook
next prev parent reply other threads:[~2020-09-18 21:27 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-18 20:14 [PATCH v3 00/30] Add support for Clang LTO Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 01/30] lib/string.c: implement stpcpy Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 02/30] RAS/CEC: Fix cec_init() prototype Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 03/30] x86/boot/compressed: Disable relocation relaxation Sami Tolvanen
2020-09-21 15:53 ` Nick Desaulniers
2020-09-18 20:14 ` [PATCH v3 04/30] x86/asm: Replace __force_order with memory clobber Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 05/30] kbuild: preprocess module linker script Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 06/30] objtool: Add a pass for generating __mcount_loc Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 07/30] objtool: Don't autodetect vmlinux.o Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 08/30] kbuild: add support for objtool mcount Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 09/30] x86, build: use " Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 10/30] treewide: remove DISABLE_LTO Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 11/30] kbuild: add support for Clang LTO Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 12/30] kbuild: lto: fix module versioning Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 13/30] kbuild: lto: postpone objtool Sami Tolvanen
2020-09-18 21:27 ` Kees Cook [this message]
2020-09-21 18:58 ` Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 14/30] kbuild: lto: limit inlining Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 15/30] kbuild: lto: merge module sections Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 16/30] kbuild: lto: remove duplicate dependencies from .mod files Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 17/30] init: lto: ensure initcall ordering Sami Tolvanen
2020-09-18 21:29 ` Kees Cook
2020-09-18 20:14 ` [PATCH v3 18/30] init: lto: fix PREL32 relocations Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 19/30] PCI: Fix PREL32 relocations for LTO Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 20/30] modpost: lto: strip .lto from module names Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 21/30] scripts/mod: disable LTO for empty.c Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 22/30] efi/libstub: disable LTO Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 23/30] drivers/misc/lkdtm: disable LTO for rodata.o Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 24/30] arm64: export CC_USING_PATCHABLE_FUNCTION_ENTRY Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 25/30] arm64: vdso: disable LTO Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 26/30] KVM: arm64: disable LTO for the nVHE directory Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 27/30] arm64: allow LTO_CLANG and THINLTO to be selected Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 28/30] x86, vdso: disable LTO only for vDSO Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 29/30] x86, cpu: disable LTO for cpu.c Sami Tolvanen
2020-09-18 20:14 ` [PATCH v3 30/30] x86, build: allow LTO_CLANG and THINLTO to be selected Sami Tolvanen
2020-09-18 20:22 ` [PATCH v3 00/30] Add support for Clang LTO Sedat Dilek
2020-09-18 20:50 ` Sami Tolvanen
2020-09-18 20:53 ` Nick Desaulniers
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