linux-kernel - [PATCH v4 2/2] arm: prefer PSCI for SMP bringup

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-next>] [day] [month] [year] [list]

Message-ID: <1364575371-8926-2-git-send-email-stefano.stabellini@eu.citrix.com>
Date:	Fri, 29 Mar 2013 16:42:50 +0000
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	<xen-devel@...ts.xensource.com>
CC:	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<Stefano.Stabellini@...citrix.com>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	<will.deacon@....com>, <arnd@...db.de>, <marc.zyngier@....com>,
	<linux@....linux.org.uk>, <nico@...aro.org>
Subject: [PATCH v4 2/2] arm: prefer PSCI for SMP bringup

If PSCI initializes correctly and PSCI SMP operations are available, use them.
This is required for SMP support in Dom0 on Xen.

Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com>
CC: will.deacon@....com
CC: arnd@...db.de
CC: marc.zyngier@....com
CC: linux@....linux.org.uk
CC: nico@...aro.org
---
 arch/arm/kernel/setup.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 341efaa..c7e50dd 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -770,10 +770,10 @@ void __init setup_arch(char **cmdline_p)
 	psci_init();
 #ifdef CONFIG_SMP
 	if (is_smp()) {
-		if (mdesc->smp)
-			smp_set_ops(mdesc->smp);
-		else if (psci_smp_available())
+		if (psci_smp_available())
 			smp_set_ops(&psci_smp_ops);
+		else
+			smp_set_ops(mdesc->smp);
 		smp_init_cpus();
 	}
 #endif
-- 
1.7.2.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/