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[004/181] Revert "arm64: vdso: Fix compilation with clang older than 8"

Message ID 20201013234744.v_gIGAHSM%akpm@linux-foundation.org (mailing list archive)
State New, archived
Headers show
Series [001/181] compiler-clang: add build check for clang 10.0.1 | expand

Commit Message

Andrew Morton Oct. 13, 2020, 11:47 p.m. UTC 
From: Nick Desaulniers <ndesaulniers@google.com>
Subject: Revert "arm64: vdso: Fix compilation with clang older than 8"

This reverts commit 3acf4be235280f14d838581a750532219d67facc.

The minimum supported version of clang is clang 10.0.1.

Link: https://lkml.kernel.org/r/20200902225911.209899-5-ndesaulniers@google.com
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Suggested-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: Fangrui Song <maskray@google.com>
Cc: Marco Elver <elver@google.com>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/arm64/kernel/vdso/Makefile |    7 -------
 1 file changed, 7 deletions(-)
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Patch

--- a/arch/arm64/kernel/vdso/Makefile~revert-arm64-vdso-fix-compilation-with-clang-older-than-8
+++ a/arch/arm64/kernel/vdso/Makefile
@@ -43,13 +43,6 @@  ifneq ($(c-gettimeofday-y),)
   CFLAGS_vgettimeofday.o += -include $(c-gettimeofday-y)
 endif
 
-# Clang versions less than 8 do not support -mcmodel=tiny
-ifeq ($(CONFIG_CC_IS_CLANG), y)
-  ifeq ($(shell test $(CONFIG_CLANG_VERSION) -lt 80000; echo $$?),0)
-    CFLAGS_REMOVE_vgettimeofday.o += -mcmodel=tiny
-  endif
-endif
-
 # Disable gcov profiling for VDSO code
 GCOV_PROFILE := n