From: Masahiro Yamada <masahiroy@kernel.org>
To: linux-kbuild@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>,
Nick Desaulniers <ndesaulniers@google.com>,
Borislav Petkov <bp@alien8.de>,
Peter Zijlstra <peterz@infradead.org>,
"H . Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, "Jason A . Donenfeld" <Jason@zx2c4.com>,
clang-built-linux@googlegroups.com,
Masahiro Yamada <masahiroy@kernel.org>,
Ingo Molnar <mingo@redhat.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH v2 04/16] x86: remove unneeded (CONFIG_AS_)CFI_SIGNAL_FRAME
Date: Thu, 26 Mar 2020 17:00:52 +0900 [thread overview]
Message-ID: <20200326080104.27286-5-masahiroy@kernel.org> (raw)
In-Reply-To: <20200326080104.27286-1-masahiroy@kernel.org>
Commit 131484c8da97 ("x86/debug: Remove perpetually broken,
unmaintainable dwarf annotations") removes all the users of
CFI_SIGNAL_FRAME.
Remove the CFI_SIGNAL_FRAME and CONFIG_AS_CFI_SIGNAL_FRAME.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
---
Changes in v2: None
arch/x86/Makefile | 6 ++----
arch/x86/include/asm/dwarf2.h | 6 ------
2 files changed, 2 insertions(+), 10 deletions(-)
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 72f8f744ebd7..dd275008fc59 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -177,8 +177,6 @@ ifeq ($(ACCUMULATE_OUTGOING_ARGS), 1)
KBUILD_CFLAGS += $(call cc-option,-maccumulate-outgoing-args,)
endif
-# is .cfi_signal_frame supported too?
-cfi-sigframe := $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1)
cfi-sections := $(call as-instr,.cfi_sections .debug_frame,-DCONFIG_AS_CFI_SECTIONS=1)
# does binutils support specific instructions?
@@ -190,8 +188,8 @@ sha1_ni_instr :=$(call as-instr,sha1msg1 %xmm0$(comma)%xmm1,-DCONFIG_AS_SHA1_NI=
sha256_ni_instr :=$(call as-instr,sha256msg1 %xmm0$(comma)%xmm1,-DCONFIG_AS_SHA256_NI=1)
adx_instr := $(call as-instr,adox %r10$(comma)%r10,-DCONFIG_AS_ADX=1)
-KBUILD_AFLAGS += $(cfi-sigframe) $(cfi-sections) $(asinstr) $(avx_instr) $(avx2_instr) $(avx512_instr) $(sha1_ni_instr) $(sha256_ni_instr) $(adx_instr)
-KBUILD_CFLAGS += $(cfi-sigframe) $(cfi-sections) $(asinstr) $(avx_instr) $(avx2_instr) $(avx512_instr) $(sha1_ni_instr) $(sha256_ni_instr) $(adx_instr)
+KBUILD_AFLAGS += $(cfi-sections) $(asinstr) $(avx_instr) $(avx2_instr) $(avx512_instr) $(sha1_ni_instr) $(sha256_ni_instr) $(adx_instr)
+KBUILD_CFLAGS += $(cfi-sections) $(asinstr) $(avx_instr) $(avx2_instr) $(avx512_instr) $(sha1_ni_instr) $(sha256_ni_instr) $(adx_instr)
KBUILD_LDFLAGS := -m elf_$(UTS_MACHINE)
diff --git a/arch/x86/include/asm/dwarf2.h b/arch/x86/include/asm/dwarf2.h
index 90807583cad7..f440790f09f9 100644
--- a/arch/x86/include/asm/dwarf2.h
+++ b/arch/x86/include/asm/dwarf2.h
@@ -21,12 +21,6 @@
#define CFI_UNDEFINED .cfi_undefined
#define CFI_ESCAPE .cfi_escape
-#ifdef CONFIG_AS_CFI_SIGNAL_FRAME
-#define CFI_SIGNAL_FRAME .cfi_signal_frame
-#else
-#define CFI_SIGNAL_FRAME
-#endif
-
#if defined(CONFIG_AS_CFI_SECTIONS)
#ifndef BUILD_VDSO
/*
--
2.17.1
next prev parent reply other threads:[~2020-03-26 8:03 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-26 8:00 [PATCH v2 00/16] x86, crypto: remove always-defined CONFIG_AS_* and cosolidate Kconfig/Makefiles Masahiro Yamada
2020-03-26 8:00 ` [Intel-gfx] " Masahiro Yamada
2020-03-26 8:00 ` Masahiro Yamada
2020-03-26 8:00 ` [PATCH v2 01/16] lib/raid6/test: fix build on distros whose /bin/sh is not bash Masahiro Yamada
2020-03-26 8:00 ` [PATCH v2 02/16] x86: remove unneeded defined(__ASSEMBLY__) check from asm/dwarf2.h Masahiro Yamada
2020-03-26 8:00 ` [PATCH v2 03/16] x86: remove always-defined CONFIG_AS_CFI Masahiro Yamada
2020-03-26 8:00 ` Masahiro Yamada [this message]
2020-03-26 8:00 ` [PATCH v2 05/16] x86: remove always-defined CONFIG_AS_CFI_SECTIONS Masahiro Yamada
2020-03-26 8:00 ` [PATCH v2 06/16] x86: remove always-defined CONFIG_AS_SSSE3 Masahiro Yamada
2020-03-26 8:00 ` [PATCH v2 07/16] x86: remove always-defined CONFIG_AS_AVX Masahiro Yamada
2020-03-26 8:00 ` [PATCH v2 08/16] x86: replace arch macros from compiler with CONFIG_X86_{32,64} Masahiro Yamada
2020-03-31 2:40 ` Masahiro Yamada
2020-03-31 4:38 ` Jason A. Donenfeld
2020-03-26 8:00 ` [PATCH v2 09/16] drm/i915: remove always-defined CONFIG_AS_MOVNTDQA Masahiro Yamada
2020-03-26 8:00 ` [Intel-gfx] " Masahiro Yamada
2020-03-26 8:00 ` Masahiro Yamada
2020-03-26 8:24 ` Jani Nikula
2020-03-26 8:24 ` [Intel-gfx] " Jani Nikula
2020-03-26 8:24 ` Jani Nikula
2020-03-26 8:24 ` Jani Nikula
2020-03-26 8:00 ` [PATCH v2 10/16] x86: probe assembler capabilities via kconfig instead of makefile Masahiro Yamada
2020-03-26 17:49 ` Nick Desaulniers
2020-03-26 19:53 ` Jason A. Donenfeld
2020-03-26 20:00 ` Nick Desaulniers
2020-03-26 8:00 ` [PATCH v2 11/16] x86: add comments about the binutils version to support code in as-instr Masahiro Yamada
2020-03-26 17:50 ` Nick Desaulniers
2020-03-26 8:01 ` [PATCH v2 12/16] crypto: x86 - rework configuration based on Kconfig Masahiro Yamada
2020-03-26 8:01 ` [PATCH v2 13/16] crypto: curve25519 - do not pollute dispatcher based on assembler Masahiro Yamada
2020-03-26 8:01 ` [PATCH v2 14/16] Documentation/changes: Raise minimum supported binutils version to 2.23 Masahiro Yamada
2020-03-26 8:01 ` [PATCH v2 15/16] x86: update AS_* macros to binutils >=2.23, supporting ADX and AVX2 Masahiro Yamada
2020-03-26 17:55 ` Nick Desaulniers
2020-03-26 17:55 ` Nick Desaulniers
2020-03-26 19:48 ` Jason A. Donenfeld
2020-03-26 19:48 ` Jason A. Donenfeld
2020-03-26 19:58 ` Nick Desaulniers
2020-03-26 19:58 ` Nick Desaulniers
2020-03-26 20:26 ` [PATCH] " Jason A. Donenfeld
2020-03-26 20:29 ` Nick Desaulniers
2020-03-26 20:50 ` Masahiro Yamada
2020-03-26 8:01 ` [PATCH v2 16/16] crypto: x86 - clean up poly1305-x86_64-cryptogams.S by 'make clean' Masahiro Yamada
2020-03-26 8:12 ` [PATCH v2 00/16] x86, crypto: remove always-defined CONFIG_AS_* and cosolidate Kconfig/Makefiles Jason A. Donenfeld
2020-03-26 8:12 ` [Intel-gfx] " Jason A. Donenfeld
2020-03-26 9:22 ` Ingo Molnar
2020-03-26 9:22 ` [Intel-gfx] " Ingo Molnar
2020-03-26 9:22 ` Ingo Molnar
2020-03-26 20:43 ` Masahiro Yamada
2020-03-26 20:43 ` [Intel-gfx] " Masahiro Yamada
2020-03-26 20:43 ` Masahiro Yamada
2020-03-26 20:46 ` Jason A. Donenfeld
2020-03-26 20:46 ` [Intel-gfx] " Jason A. Donenfeld
2020-03-26 21:12 ` Masahiro Yamada
2020-03-26 21:12 ` [Intel-gfx] " Masahiro Yamada
2020-03-26 21:12 ` Masahiro Yamada
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