linux-kernel - [tip:sched/core] arm64: Adjust system

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 for Android: free password hash cracker in your pocket

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

Message-ID: <tip-ef284f5ca5f102bf855e599305c0c16d6e844635@git.kernel.org>
Date:   Tue, 23 May 2017 01:48:49 -0700
From:   tip-bot for Thomas Gleixner <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     rostedt@...dmis.org, gregkh@...uxfoundation.org,
        torvalds@...ux-foundation.org, mingo@...nel.org,
        will.deacon@....com, mark.rutland@....com, catalin.marinas@....com,
        linux-kernel@...r.kernel.org, hpa@...or.com, peterz@...radead.org,
        tglx@...utronix.de
Subject: [tip:sched/core] arm64: Adjust system_state check

Commit-ID:  ef284f5ca5f102bf855e599305c0c16d6e844635
Gitweb:     http://git.kernel.org/tip/ef284f5ca5f102bf855e599305c0c16d6e844635
Author:     Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Tue, 16 May 2017 20:42:34 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 23 May 2017 10:01:35 +0200

arm64: Adjust system_state check

To enable smp_processor_id() and might_sleep() debug checks earlier, it's
required to add system states between SYSTEM_BOOTING and SYSTEM_RUNNING.

Adjust the system_state check in smp_send_stop() to handle the extra states.

Tested-by: Mark Rutland <mark.rutland@....com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Acked-by: Mark Rutland <mark.rutland@....com>
Acked-by: Catalin Marinas <catalin.marinas@....com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Will Deacon <will.deacon@....com>
Link: http://lkml.kernel.org/r/20170516184735.112589728@linutronix.de
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/arm64/kernel/smp.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 6e0e16a..3211198 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -961,8 +961,7 @@ void smp_send_stop(void)
 		cpumask_copy(&mask, cpu_online_mask);
 		cpumask_clear_cpu(smp_processor_id(), &mask);
 
-		if (system_state == SYSTEM_BOOTING ||
-		    system_state == SYSTEM_RUNNING)
+		if (system_state <= SYSTEM_RUNNING)
 			pr_crit("SMP: stopping secondary CPUs\n");
 		smp_cross_call(&mask, IPI_CPU_STOP);
 	}