From: "Paul E. McKenney" <paulmck@kernel.org>
To: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: linux-kernel@vger.kernel.org, jgross@suse.com,
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vschneid@redhat.com
Subject: Re: [PATCH v2 00/24] cpu,sched: Mark arch_cpu_idle_dead() __noreturn
Date: Wed, 15 Feb 2023 14:22:49 -0800 [thread overview]
Message-ID: <20230215222249.GM2948950@paulmck-ThinkPad-P17-Gen-1> (raw)
In-Reply-To: <cover.1676358308.git.jpoimboe@kernel.org>
On Mon, Feb 13, 2023 at 11:05:34PM -0800, Josh Poimboeuf wrote:
> v2:
> - make arch_call_rest_init() and rest_init() __noreturn
> - make objtool 'global_returns' work for weak functions
> - rebase on tip/objtool/core with dependencies merged in (mingo)
> - add acks
>
> v1.1:
> - add __noreturn to all arch_cpu_idle_dead() implementations (mpe)
With this, rcutorture no longer gets objtool complaints on x86, thank you!
Tested-by: Paul E. McKenney <paulmck@kernel.org>
> Josh Poimboeuf (24):
> alpha/cpu: Expose arch_cpu_idle_dead()'s prototype declaration
> alpha/cpu: Make sure arch_cpu_idle_dead() doesn't return
> arm/cpu: Make sure arch_cpu_idle_dead() doesn't return
> arm64/cpu: Mark cpu_die() __noreturn
> csky/cpu: Make sure arch_cpu_idle_dead() doesn't return
> ia64/cpu: Mark play_dead() __noreturn
> loongarch/cpu: Make sure play_dead() doesn't return
> loongarch/cpu: Mark play_dead() __noreturn
> mips/cpu: Expose play_dead()'s prototype definition
> mips/cpu: Make sure play_dead() doesn't return
> mips/cpu: Mark play_dead() __noreturn
> powerpc/cpu: Mark start_secondary_resume() __noreturn
> sh/cpu: Make sure play_dead() doesn't return
> sh/cpu: Mark play_dead() __noreturn
> sh/cpu: Expose arch_cpu_idle_dead()'s prototype definition
> sparc/cpu: Mark cpu_play_dead() __noreturn
> x86/cpu: Make sure play_dead() doesn't return
> x86/cpu: Mark play_dead() __noreturn
> xtensa/cpu: Make sure cpu_die() doesn't return
> xtensa/cpu: Mark cpu_die() __noreturn
> sched/idle: Make sure weak version of arch_cpu_idle_dead() doesn't
> return
> objtool: Include weak functions in 'global_noreturns' check
> init: Make arch_call_rest_init() and rest_init() __noreturn
> sched/idle: Mark arch_cpu_idle_dead() __noreturn
>
> arch/alpha/kernel/process.c | 4 +++-
> arch/arm/kernel/smp.c | 4 +++-
> arch/arm64/include/asm/smp.h | 2 +-
> arch/arm64/kernel/process.c | 2 +-
> arch/csky/kernel/smp.c | 4 +++-
> arch/ia64/kernel/process.c | 6 +++---
> arch/loongarch/include/asm/smp.h | 2 +-
> arch/loongarch/kernel/process.c | 2 +-
> arch/loongarch/kernel/smp.c | 2 +-
> arch/mips/include/asm/smp.h | 2 +-
> arch/mips/kernel/process.c | 2 +-
> arch/mips/kernel/smp-bmips.c | 3 +++
> arch/mips/loongson64/smp.c | 1 +
> arch/parisc/kernel/process.c | 2 +-
> arch/powerpc/include/asm/smp.h | 2 +-
> arch/powerpc/kernel/smp.c | 2 +-
> arch/riscv/kernel/cpu-hotplug.c | 2 +-
> arch/s390/kernel/idle.c | 2 +-
> arch/s390/kernel/setup.c | 2 +-
> arch/sh/include/asm/smp-ops.h | 5 +++--
> arch/sh/kernel/idle.c | 3 ++-
> arch/sparc/include/asm/smp_64.h | 2 +-
> arch/sparc/kernel/process_64.c | 2 +-
> arch/x86/include/asm/smp.h | 3 ++-
> arch/x86/kernel/process.c | 4 ++--
> arch/xtensa/include/asm/smp.h | 2 +-
> arch/xtensa/kernel/smp.c | 4 +++-
> include/linux/cpu.h | 2 +-
> include/linux/start_kernel.h | 4 ++--
> init/main.c | 4 ++--
> kernel/sched/idle.c | 2 +-
> tools/objtool/check.c | 11 +++++++----
> 32 files changed, 57 insertions(+), 39 deletions(-)
>
> --
> 2.39.1
>
prev parent reply other threads:[~2023-02-15 22:23 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-14 7:05 [PATCH v2 00/24] cpu,sched: Mark arch_cpu_idle_dead() __noreturn Josh Poimboeuf
2023-02-14 7:05 ` [PATCH v2 01/24] alpha/cpu: Expose arch_cpu_idle_dead()'s prototype declaration Josh Poimboeuf
2023-02-14 7:05 ` [PATCH v2 02/24] alpha/cpu: Make sure arch_cpu_idle_dead() doesn't return Josh Poimboeuf
2023-02-14 7:05 ` [PATCH v2 03/24] arm/cpu: " Josh Poimboeuf
2023-02-14 11:15 ` Russell King (Oracle)
2023-02-14 18:39 ` Josh Poimboeuf
2023-02-14 22:01 ` Russell King (Oracle)
2023-02-16 18:38 ` [PATCH v2.1 03/24] arm/cpu: Add unreachable() to arch_cpu_idle_dead() Josh Poimboeuf
2023-02-14 7:05 ` [PATCH v2 04/24] arm64/cpu: Mark cpu_die() __noreturn Josh Poimboeuf
2023-02-14 8:13 ` Philippe Mathieu-Daudé
2023-02-15 13:09 ` Mark Rutland
2023-02-15 19:45 ` Josh Poimboeuf
2023-02-16 18:41 ` [PATCH v2.1 " Josh Poimboeuf
2023-03-02 10:55 ` Philippe Mathieu-Daudé
2023-02-14 7:05 ` [PATCH v2 05/24] csky/cpu: Make sure arch_cpu_idle_dead() doesn't return Josh Poimboeuf
2023-02-14 7:05 ` [PATCH v2 06/24] ia64/cpu: Mark play_dead() __noreturn Josh Poimboeuf
2023-02-14 8:07 ` Philippe Mathieu-Daudé
2023-02-14 7:05 ` [PATCH v2 07/24] loongarch/cpu: Make sure play_dead() doesn't return Josh Poimboeuf
2023-02-14 7:05 ` [PATCH v2 08/24] loongarch/cpu: Mark play_dead() __noreturn Josh Poimboeuf
2023-02-14 8:06 ` Philippe Mathieu-Daudé
2023-02-14 7:05 ` [PATCH v2 09/24] mips/cpu: Expose play_dead()'s prototype definition Josh Poimboeuf
2023-02-14 7:46 ` Philippe Mathieu-Daudé
2023-02-14 18:11 ` Josh Poimboeuf
2023-02-15 8:29 ` Philippe Mathieu-Daudé
2023-02-16 18:42 ` [PATCH v2.1 " Josh Poimboeuf
2023-03-01 18:16 ` Josh Poimboeuf
2023-03-02 10:54 ` Philippe Mathieu-Daudé
2023-02-14 7:05 ` [PATCH v2 10/24] mips/cpu: Make sure play_dead() doesn't return Josh Poimboeuf
2023-02-14 7:50 ` Philippe Mathieu-Daudé
2023-02-14 7:05 ` [PATCH v2 11/24] mips/cpu: Mark play_dead() __noreturn Josh Poimboeuf
2023-02-14 7:50 ` Philippe Mathieu-Daudé
2023-02-14 7:05 ` [PATCH v2 12/24] powerpc/cpu: Mark start_secondary_resume() __noreturn Josh Poimboeuf
2023-02-14 7:19 ` Christophe Leroy
2023-02-14 7:05 ` [PATCH v2 13/24] sh/cpu: Make sure play_dead() doesn't return Josh Poimboeuf
2023-02-14 7:57 ` Philippe Mathieu-Daudé
2023-02-14 18:28 ` Josh Poimboeuf
2023-02-14 7:05 ` [PATCH v2 14/24] sh/cpu: Mark play_dead() __noreturn Josh Poimboeuf
2023-02-14 7:05 ` [PATCH v2 15/24] sh/cpu: Expose arch_cpu_idle_dead()'s prototype definition Josh Poimboeuf
2023-02-14 7:05 ` [PATCH v2 16/24] sparc/cpu: Mark cpu_play_dead() __noreturn Josh Poimboeuf
2023-02-14 7:52 ` Philippe Mathieu-Daudé
2023-02-14 7:05 ` [PATCH v2 17/24] x86/cpu: Make sure play_dead() doesn't return Josh Poimboeuf
2023-02-14 8:05 ` Philippe Mathieu-Daudé
2023-02-14 7:05 ` [PATCH v2 18/24] x86/cpu: Mark play_dead() __noreturn Josh Poimboeuf
2023-02-14 7:05 ` [PATCH v2 19/24] xtensa/cpu: Make sure cpu_die() doesn't return Josh Poimboeuf
2023-02-14 7:55 ` Philippe Mathieu-Daudé
2023-02-14 18:23 ` Josh Poimboeuf
2023-02-14 19:29 ` Steven Rostedt
2023-02-14 19:48 ` Max Filippov
2023-02-14 20:19 ` Josh Poimboeuf
2023-02-14 7:05 ` [PATCH v2 20/24] xtensa/cpu: Mark cpu_die() __noreturn Josh Poimboeuf
2023-02-14 12:47 ` Max Filippov
2023-02-14 7:05 ` [PATCH v2 21/24] sched/idle: Make sure weak version of arch_cpu_idle_dead() doesn't return Josh Poimboeuf
2023-02-14 7:05 ` [PATCH v2 22/24] objtool: Include weak functions in 'global_noreturns' check Josh Poimboeuf
2023-02-14 7:05 ` [PATCH v2 23/24] init: Make arch_call_rest_init() and rest_init() __noreturn Josh Poimboeuf
2023-02-14 7:05 ` [PATCH v2 24/24] sched/idle: Mark arch_cpu_idle_dead() __noreturn Josh Poimboeuf
2023-02-14 9:25 ` [PATCH v2 00/24] cpu,sched: " Philippe Mathieu-Daudé
2023-02-14 18:29 ` Josh Poimboeuf
2023-02-15 22:22 ` Paul E. McKenney [this message]
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