From: guoren@kernel.org
To: arnd@arndb.de, guoren@kernel.org, palmer@rivosinc.com,
tglx@linutronix.de, peterz@infradead.org, luto@kernel.org,
conor.dooley@microchip.com, heiko@sntech.de, jszhang@kernel.org,
lazyparser@gmail.com, falcon@tinylab.org, chenhuacai@kernel.org,
apatel@ventanamicro.com, atishp@atishpatra.org,
palmer@dabbelt.com, paul.walmsley@sifive.com,
mark.rutland@arm.com, zouyipeng@huawei.com,
bigeasy@linutronix.de, David.Laight@aculab.com,
chenzhongjin@huawei.com, greentime.hu@sifive.com,
andy.chiu@sifive.com
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-riscv@lists.infradead.org,
Lai Jiangshan <laijs@linux.alibaba.com>,
Borislav Petkov <bp@alien8.de>, Miguel Ojeda <ojeda@kernel.org>,
Kees Cook <keescook@chromium.org>,
Nick Desaulniers <ndesaulniers@google.com>
Subject: [PATCH V7 04/12] compiler_types.h: Add __noinstr_section() for noinstr
Date: Sat, 15 Oct 2022 07:46:54 -0400 [thread overview]
Message-ID: <20221015114702.3489989-5-guoren@kernel.org> (raw)
In-Reply-To: <20221015114702.3489989-1-guoren@kernel.org>
From: Lai Jiangshan <laijs@linux.alibaba.com>
And it will be extended for C entry code.
Cc: Borislav Petkov <bp@alien8.de>
Reviewed-by: Miguel Ojeda <ojeda@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
---
include/linux/compiler_types.h | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index eb0466236661..4cf5c90c51d2 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -231,11 +231,13 @@ struct ftrace_likely_data {
#endif
/* Section for code which can't be instrumented at all */
-#define noinstr \
- noinline notrace __attribute((__section__(".noinstr.text"))) \
- __no_kcsan __no_sanitize_address __no_profile __no_sanitize_coverage \
+#define __noinstr_section(section) \
+ noinline notrace __section(section) __no_profile \
+ __no_kcsan __no_sanitize_address __no_sanitize_coverage \
__no_sanitize_memory
+#define noinstr __noinstr_section(".noinstr.text")
+
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */
--
2.36.1
next prev parent reply other threads:[~2022-10-15 11:50 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-15 11:46 [PATCH V7 00/12] riscv: Add GENERIC_ENTRY support and related features guoren
2022-10-15 11:46 ` [PATCH V7 01/12] riscv: elf_kexec: Fixup compile warning guoren
2022-10-15 11:46 ` [PATCH V7 02/12] riscv: compat_syscall_table: " guoren
2022-10-15 11:46 ` [PATCH V7 03/12] riscv: ptrace: Remove duplicate operation guoren
2022-10-15 11:46 ` guoren [this message]
2022-10-15 11:46 ` [PATCH V7 05/12] riscv: traps: Add noinstr to prevent instrumentation inserted guoren
2022-10-15 11:46 ` [PATCH V7 06/12] riscv: convert to generic entry guoren
2022-10-15 11:46 ` [PATCH V7 07/12] riscv: Support HAVE_IRQ_EXIT_ON_IRQ_STACK guoren
2022-10-15 11:46 ` [PATCH V7 08/12] riscv: Support HAVE_SOFTIRQ_ON_OWN_STACK guoren
2022-10-15 11:46 ` [PATCH V7 09/12] riscv: Add support for STACKLEAK gcc plugin guoren
2022-10-15 11:47 ` [PATCH V7 10/12] riscv: Add config of thread stack size guoren
2022-10-15 11:47 ` [PATCH V7 11/12] riscv: remove extra level wrappers of trace_hardirqs_{on,off} guoren
2022-10-15 11:47 ` [PATCH V7 12/12] riscv: Typo fixup for addi -> andi in comment guoren
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