Re: [PATCH v5 25/29] arm64: allow LTO_CLANG and THINLTO to be selected
From: Will Deacon <will@kernel.org>
Date: 2020-10-12 08:31:31
Also in:
linux-arch, linux-kbuild, linux-pci, lkml
On Fri, Oct 09, 2020 at 09:13:34AM -0700, Sami Tolvanen wrote:
quoted hunk ↗ jump to hunk
Allow CONFIG_LTO_CLANG and CONFIG_THINLTO to be enabled. Signed-off-by: Sami Tolvanen <samitolvanen@google.com> Reviewed-by: Kees Cook <redacted> --- arch/arm64/Kconfig | 2 ++ 1 file changed, 2 insertions(+)diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index ad522b021f35..7016d193864f 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig@@ -72,6 +72,8 @@ config ARM64 select ARCH_USE_SYM_ANNOTATIONS select ARCH_SUPPORTS_MEMORY_FAILURE select ARCH_SUPPORTS_SHADOW_CALL_STACK if CC_HAVE_SHADOW_CALL_STACK + select ARCH_SUPPORTS_LTO_CLANG + select ARCH_SUPPORTS_THINLTO
Please don't enable this for arm64 until we have the dependency stuff sorted out. I posted patches [1] for this before, but I think they should be part of this series as they don't make sense on their own. Will [1] https://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git/log/?h=rwonce/read-barrier-depends _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel