From: Kees Cook <keescook@chromium.org>
To: Will Deacon <will@kernel.org>
Cc: Kees Cook <keescook@chromium.org>,
Ard Biesheuvel <ardb@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Peter Collingbourne <pcc@google.com>,
James Morse <james.morse@arm.com>, Borislav Petkov <bp@suse.de>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
Russell King <linux@armlinux.org.uk>,
Masahiro Yamada <masahiroy@kernel.org>,
Arvind Sankar <nivedita@alum.mit.edu>,
Nick Desaulniers <ndesaulniers@google.com>,
Nathan Chancellor <natechancellor@gmail.com>,
Arnd Bergmann <arnd@arndb.de>,
x86@kernel.org, clang-built-linux@googlegroups.com,
linux-arch@vger.kernel.org, linux-efi@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v4 10/17] arm64/kernel: Remove needless Call Frame Information annotations
Date: Sun, 28 Jun 2020 23:18:33 -0700 [thread overview]
Message-ID: <20200629061840.4065483-11-keescook@chromium.org> (raw)
In-Reply-To: <20200629061840.4065483-1-keescook@chromium.org>
Remove last instance of an .eh_frame section by removing the needless Call
Frame Information annotations which were likely leftovers from 32-bit arm.
Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
---
arch/arm64/kernel/smccc-call.S | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/arm64/kernel/smccc-call.S b/arch/arm64/kernel/smccc-call.S
index 1f93809528a4..d62447964ed9 100644
--- a/arch/arm64/kernel/smccc-call.S
+++ b/arch/arm64/kernel/smccc-call.S
@@ -9,7 +9,6 @@
#include <asm/assembler.h>
.macro SMCCC instr
- .cfi_startproc
\instr #0
ldr x4, [sp]
stp x0, x1, [x4, #ARM_SMCCC_RES_X0_OFFS]
@@ -21,7 +20,6 @@
b.ne 1f
str x6, [x4, ARM_SMCCC_QUIRK_STATE_OFFS]
1: ret
- .cfi_endproc
.endm
/*
--
2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Kees Cook <keescook@chromium.org>
To: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
linux-arch@vger.kernel.org, linux-efi@vger.kernel.org,
Kees Cook <keescook@chromium.org>, Arnd Bergmann <arnd@arndb.de>,
Catalin Marinas <catalin.marinas@arm.com>,
Masahiro Yamada <masahiroy@kernel.org>,
x86@kernel.org, Nick Desaulniers <ndesaulniers@google.com>,
Russell King <linux@armlinux.org.uk>,
linux-kernel@vger.kernel.org,
Nathan Chancellor <natechancellor@gmail.com>,
clang-built-linux@googlegroups.com,
Arvind Sankar <nivedita@alum.mit.edu>,
Ingo Molnar <mingo@redhat.com>, James Morse <james.morse@arm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <bp@suse.de>,
Peter Collingbourne <pcc@google.com>,
Ard Biesheuvel <ardb@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 10/17] arm64/kernel: Remove needless Call Frame Information annotations
Date: Sun, 28 Jun 2020 23:18:33 -0700 [thread overview]
Message-ID: <20200629061840.4065483-11-keescook@chromium.org> (raw)
In-Reply-To: <20200629061840.4065483-1-keescook@chromium.org>
Remove last instance of an .eh_frame section by removing the needless Call
Frame Information annotations which were likely leftovers from 32-bit arm.
Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
---
arch/arm64/kernel/smccc-call.S | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/arm64/kernel/smccc-call.S b/arch/arm64/kernel/smccc-call.S
index 1f93809528a4..d62447964ed9 100644
--- a/arch/arm64/kernel/smccc-call.S
+++ b/arch/arm64/kernel/smccc-call.S
@@ -9,7 +9,6 @@
#include <asm/assembler.h>
.macro SMCCC instr
- .cfi_startproc
\instr #0
ldr x4, [sp]
stp x0, x1, [x4, #ARM_SMCCC_RES_X0_OFFS]
@@ -21,7 +20,6 @@
b.ne 1f
str x6, [x4, ARM_SMCCC_QUIRK_STATE_OFFS]
1: ret
- .cfi_endproc
.endm
/*
--
2.25.1
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next prev parent reply other threads:[~2020-06-29 20:43 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-29 6:18 [PATCH v4 00/17] Warn on orphan section placement Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` [PATCH v4 01/17] vmlinux.lds.h: Add .gnu.version* to DISCARDS Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` [PATCH v4 02/17] vmlinux.lds.h: Avoid KASAN and KCSAN's unwanted sections Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` [PATCH v4 03/17] vmlinux.lds.h: Split ELF_DETAILS from STABS_DEBUG Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` [PATCH v4 04/17] vmlinux.lds.h: Add .symtab, .strtab, and .shstrtab to ELF_DETAILS Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` [PATCH v4 05/17] ctype: Work around Clang -mbranch-protection=none bug Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 8:15 ` Ard Biesheuvel
2020-06-29 8:15 ` Ard Biesheuvel
2020-06-29 8:15 ` Ard Biesheuvel
2020-06-29 14:43 ` Kees Cook
2020-06-29 14:43 ` Kees Cook
2020-06-29 14:43 ` Kees Cook
2020-06-29 15:06 ` Kees Cook
2020-06-29 15:06 ` Kees Cook
2020-06-29 15:06 ` Kees Cook
2020-06-29 15:08 ` Ard Biesheuvel
2020-06-29 15:08 ` Ard Biesheuvel
2020-06-29 15:08 ` Ard Biesheuvel
2020-06-29 15:16 ` Kees Cook
2020-06-29 15:16 ` Kees Cook
2020-06-29 15:16 ` Kees Cook
2020-06-29 18:02 ` Nick Desaulniers
2020-06-29 18:02 ` Nick Desaulniers
2020-06-29 18:02 ` Nick Desaulniers
2020-06-29 18:37 ` Kees Cook
2020-06-29 18:37 ` Kees Cook
2020-06-29 18:37 ` Kees Cook
2020-06-29 6:18 ` [PATCH v4 06/17] efi/libstub: Disable -mbranch-protection Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` [PATCH v4 07/17] arm64/build: Use common DISCARDS in linker script Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` [PATCH v4 08/17] arm64/mm: Remove needless section quotes Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 19:53 ` Nick Desaulniers
2020-06-29 19:53 ` Nick Desaulniers
2020-06-29 19:53 ` Nick Desaulniers
2020-06-29 20:03 ` Joe Perches
2020-06-29 20:03 ` Joe Perches
2020-06-29 20:03 ` Joe Perches
2020-06-29 20:29 ` Nick Desaulniers
2020-06-29 20:29 ` Nick Desaulniers
2020-06-29 20:29 ` Nick Desaulniers
2020-06-29 20:04 ` Kees Cook
2020-06-29 20:04 ` Kees Cook
2020-06-29 20:04 ` Kees Cook
2020-06-29 20:54 ` Arvind Sankar
2020-06-29 20:54 ` Arvind Sankar
2020-06-29 20:54 ` Arvind Sankar
2020-06-29 21:06 ` Arvind Sankar
2020-06-29 21:06 ` Arvind Sankar
2020-06-29 21:06 ` Arvind Sankar
2020-06-29 6:18 ` [PATCH v4 09/17] arm64/build: Remove .eh_frame* sections due to unwind tables Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` Kees Cook [this message]
2020-06-29 6:18 ` [PATCH v4 10/17] arm64/kernel: Remove needless Call Frame Information annotations Kees Cook
2020-06-29 6:18 ` [PATCH v4 11/17] arm64/build: Warn on orphan section placement Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` [PATCH v4 12/17] arm/build: Refactor linker script headers Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` [PATCH v4 13/17] arm/build: Explicitly keep .ARM.attributes sections Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` [PATCH v4 14/17] arm/build: Warn on orphan section placement Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 15:54 ` Arvind Sankar
2020-06-29 15:54 ` Arvind Sankar
2020-06-29 18:07 ` Russell King - ARM Linux admin
2020-06-29 18:07 ` Russell King - ARM Linux admin
2020-06-29 18:15 ` Arvind Sankar
2020-06-29 18:15 ` Arvind Sankar
2020-06-29 19:03 ` Russell King - ARM Linux admin
2020-06-29 19:03 ` Russell King - ARM Linux admin
2020-06-29 19:47 ` Nick Desaulniers
2020-06-29 19:47 ` Nick Desaulniers
2020-06-29 19:47 ` Nick Desaulniers
2020-06-29 6:18 ` [PATCH v4 15/17] arm/boot: " Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` [PATCH v4 16/17] x86/build: " Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-06-29 6:18 ` [PATCH v4 17/17] x86/boot: " Kees Cook
2020-06-29 6:18 ` Kees Cook
2020-08-21 16:02 ` [PATCH v4 00/17] " Will Deacon
2020-08-21 16:02 ` Will Deacon
2020-08-21 17:36 ` Kees Cook
2020-08-21 17:36 ` Kees Cook
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