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Date: Mon, 31 Aug 2020 21:57:03 -0700 From: Nathan Chancellor <natechancellor@...il.com> To: Nick Desaulniers <ndesaulniers@...gle.com> Cc: Andrew Morton <akpm@...ux-foundation.org>, Kees Cook <keescook@...omium.org>, Miguel Ojeda <miguel.ojeda.sandonis@...il.com>, Sedat Dilek <sedat.dilek@...il.com>, Marco Elver <elver@...gle.com>, Andrey Konovalov <andreyknvl@...gle.com>, Masahiro Yamada <masahiroy@...nel.org>, clang-built-linux@...glegroups.com, Daniel Borkmann <daniel@...earbox.net>, Alexei Starovoitov <ast@...nel.org>, Will Deacon <will@...nel.org>, Vincenzo Frascino <vincenzo.frascino@....com>, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2 5/7] Partial revert "ARM: 8905/1: Emit __gnu_mcount_nc when using Clang 10.0.0 or newer" Nit: Partially in commit message? On Mon, Aug 31, 2020 at 05:23:24PM -0700, Nick Desaulniers wrote: > This partially reverts commit b0fe66cf095016e0b238374c10ae366e1f087d11. > > The minimum supported version of clang is now clang 10.0.1. We still > want to pass -meabi=gnu. Thank you for calling this out. > Suggested-by: Nathan Chancellor <natechancellor@...il.com> > Signed-off-by: Nick Desaulniers <ndesaulniers@...gle.com> Reviewed-by: Nathan Chancellor <natechancellor@...il.com> > --- > arch/arm/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > index 82c197a248dd..09a7669eea1d 100644 > --- a/arch/arm/Kconfig > +++ b/arch/arm/Kconfig > @@ -83,7 +83,7 @@ config ARM > select HAVE_FAST_GUP if ARM_LPAE > select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL > select HAVE_FUNCTION_GRAPH_TRACER if !THUMB2_KERNEL && !CC_IS_CLANG > - select HAVE_FUNCTION_TRACER if !XIP_KERNEL && (CC_IS_GCC || CLANG_VERSION >= 100000) > + select HAVE_FUNCTION_TRACER if !XIP_KERNEL > select HAVE_GCC_PLUGINS > select HAVE_HW_BREAKPOINT if PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7) > select HAVE_IDE if PCI || ISA || PCMCIA > -- > 2.28.0.402.g5ffc5be6b7-goog >
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