linux-kernel - [tip: objtool/core] arm64/cpu: Mark cpu_die() _

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <167848169508.5837.542474183671220322.tip-bot2@tip-bot2>
Date:   Fri, 10 Mar 2023 20:54:55 -0000
From:   "tip-bot2 for Josh Poimboeuf" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Mark Rutland <mark.rutland@....com>, philmd@...aro.org,
        Josh Poimboeuf <jpoimboe@...nel.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: objtool/core] arm64/cpu: Mark cpu_die() __noreturn

The following commit has been merged into the objtool/core branch of tip:

Commit-ID:     9bdc61ef27db5eaac48f1cc5deb8224603e79c89
Gitweb:        https://git.kernel.org/tip/9bdc61ef27db5eaac48f1cc5deb8224603e79c89
Author:        Josh Poimboeuf <jpoimboe@...nel.org>
AuthorDate:    Thu, 16 Feb 2023 10:42:01 -08:00
Committer:     Josh Poimboeuf <jpoimboe@...nel.org>
CommitterDate: Mon, 06 Mar 2023 15:34:04 -08:00

arm64/cpu: Mark cpu_die() __noreturn

cpu_die() doesn't return.  Annotate it as such.  By extension this also
makes arch_cpu_idle_dead() noreturn.

Acked-by: Mark Rutland <mark.rutland@....com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@...aro.org>
Link: https://lkml.kernel.org/r/20230216184157.4hup6y6mmspr2kll@treble
Signed-off-by: Josh Poimboeuf <jpoimboe@...nel.org>
---
 arch/arm64/include/asm/smp.h | 2 +-
 arch/arm64/kernel/smp.c      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/include/asm/smp.h b/arch/arm64/include/asm/smp.h
index fc55f5a..5733a31 100644
--- a/arch/arm64/include/asm/smp.h
+++ b/arch/arm64/include/asm/smp.h
@@ -100,7 +100,7 @@ static inline void arch_send_wakeup_ipi_mask(const struct cpumask *mask)
 extern int __cpu_disable(void);
 
 extern void __cpu_die(unsigned int cpu);
-extern void cpu_die(void);
+extern void __noreturn cpu_die(void);
 extern void cpu_die_early(void);
 
 static inline void cpu_park_loop(void)
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 4e83272..d5d09a1 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -361,7 +361,7 @@ void __cpu_die(unsigned int cpu)
  * Called from the idle thread for the CPU which has been shutdown.
  *
  */
-void cpu_die(void)
+void __noreturn cpu_die(void)
 {
 	unsigned int cpu = smp_processor_id();
 	const struct cpu_operations *ops = get_cpu_ops(cpu);