From: Masahiro Yamada <masahiroy@kernel.org>
To: linux-kernel@vger.kernel.org
Cc: "David S . Miller" <davem@davemloft.net>,
Linus Torvalds <torvalds@linux-foundation.org>,
Kees Cook <keescook@chromium.org>,
clang-built-linux@googlegroups.com,
Herbert Xu <herbert@gondor.apana.org.au>,
linux-crypto@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <bp@alien8.de>,
Peter Zijlstra <peterz@infradead.org>,
"H . Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, linux-kbuild@vger.kernel.org,
Masahiro Yamada <masahiroy@kernel.org>
Subject: [PATCH 04/16] x86: remove unneeded (CONFIG_AS_)CFI_SIGNAL_FRAME
Date: Tue, 24 Mar 2020 17:48:09 +0900 [thread overview]
Message-ID: <20200324084821.29944-5-masahiroy@kernel.org> (raw)
In-Reply-To: <20200324084821.29944-1-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>
---
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:[~2020-03-24 8:51 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-24 8:48 [PATCH 00/16] x86, crypto: remove always-defined CONFIG_AS_* and cosolidate Kconfig/Makefiles Masahiro Yamada
2020-03-24 8:48 ` [Intel-gfx] " Masahiro Yamada
2020-03-24 8:48 ` Masahiro Yamada
2020-03-24 8:48 ` [PATCH 01/16] lib/raid6/test: fix build on distros whose /bin/sh is not bash Masahiro Yamada
2020-03-24 16:36 ` Nick Desaulniers
2020-03-24 16:36 ` Nick Desaulniers
2020-03-26 6:48 ` Masahiro Yamada
2020-03-26 6:48 ` Masahiro Yamada
2020-03-26 17:27 ` Nick Desaulniers
2020-03-26 17:27 ` Nick Desaulniers
2020-03-24 8:48 ` [PATCH 02/16] x86: remove unneeded defined(__ASSEMBLY__) check from asm/dwarf2.h Masahiro Yamada
2020-03-24 16:43 ` Nick Desaulniers
2020-03-24 16:43 ` Nick Desaulniers
2020-03-24 8:48 ` [PATCH 03/16] x86: remove always-defined CONFIG_AS_CFI Masahiro Yamada
2020-03-24 8:48 ` Masahiro Yamada [this message]
2020-03-24 16:41 ` [PATCH 04/16] x86: remove unneeded (CONFIG_AS_)CFI_SIGNAL_FRAME Nick Desaulniers
2020-03-24 16:41 ` Nick Desaulniers
2020-03-24 8:48 ` [PATCH 05/16] x86: remove always-defined CONFIG_AS_CFI_SECTIONS Masahiro Yamada
2020-03-24 8:48 ` [PATCH 06/16] x86: remove always-defined CONFIG_AS_SSSE3 Masahiro Yamada
2020-03-24 16:56 ` Nick Desaulniers
2020-03-24 16:56 ` Nick Desaulniers
2020-03-24 8:48 ` [PATCH 07/16] x86: remove always-defined CONFIG_AS_AVX Masahiro Yamada
2020-03-24 8:48 ` [PATCH 08/16] x86: add comments about the binutils version to support code in as-instr Masahiro Yamada
2020-03-24 8:48 ` [PATCH 09/16] x86: replace arch macros from compiler with CONFIG_X86_{32,64} Masahiro Yamada
2020-03-24 8:48 ` [PATCH 10/16] drm/i915: remove always-defined CONFIG_AS_MOVNTDQA Masahiro Yamada
2020-03-24 8:48 ` [Intel-gfx] " Masahiro Yamada
2020-03-24 8:48 ` Masahiro Yamada
2020-03-24 8:48 ` [PATCH 11/16] x86: probe assembler capabilities via kconfig instead of makefile Masahiro Yamada
2020-03-24 17:01 ` Nick Desaulniers
2020-03-24 17:01 ` Nick Desaulniers
2020-03-24 17:17 ` Jason A. Donenfeld
2020-03-24 17:17 ` Jason A. Donenfeld
2020-03-24 17:21 ` Masahiro Yamada
2020-03-24 17:21 ` Masahiro Yamada
2020-03-24 17:33 ` Nick Desaulniers
2020-03-24 17:33 ` Nick Desaulniers
2020-03-24 8:48 ` [PATCH 12/16] crypto: x86 - rework configuration based on Kconfig Masahiro Yamada
2020-03-24 11:54 ` Herbert Xu
2020-03-24 8:48 ` [PATCH 13/16] crypto: curve25519 - do not pollute dispatcher based on assembler Masahiro Yamada
2020-03-24 11:54 ` Herbert Xu
2020-03-24 8:48 ` [PATCH 14/16] Documentation/changes: Raise minimum supported binutils version to 2.23 Masahiro Yamada
2020-03-24 8:48 ` [PATCH 15/16] x86: update AS_* macros to binutils >=2.23, supporting ADX and AVX2 Masahiro Yamada
2020-03-24 8:48 ` [PATCH 16/16] crypto: x86 - clean up poly1305-x86_64-cryptogams.S by 'make clean' Masahiro Yamada
2020-03-24 11:55 ` Herbert Xu
2020-03-24 16:51 ` [PATCH 00/16] x86, crypto: remove always-defined CONFIG_AS_* and cosolidate Kconfig/Makefiles Linus Torvalds
2020-03-24 16:51 ` [Intel-gfx] " Linus Torvalds
2020-03-24 16:51 ` Linus Torvalds
2020-03-25 4:59 ` Ingo Molnar
2020-03-25 4:59 ` [Intel-gfx] " Ingo Molnar
2020-03-25 4:59 ` Ingo Molnar
2020-03-25 5:09 ` Masahiro Yamada
2020-03-25 5:09 ` [Intel-gfx] " Masahiro Yamada
2020-03-25 5:09 ` Masahiro Yamada
2020-03-26 9:20 ` Ingo Molnar
2020-03-26 9:20 ` [Intel-gfx] " Ingo Molnar
2020-03-26 9:20 ` Ingo Molnar
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