From mboxrd@z Thu Jan 1 00:00:00 1970 From: robherring2@gmail.com (Rob Herring) Date: Tue, 20 Nov 2012 20:58:26 -0600 Subject: [PATCH 2/9] ARM: mach-ux500: use SGI0 to wake up the other core In-Reply-To: <1353466713-18967-1-git-send-email-robherring2@gmail.com> References: <1353466713-18967-1-git-send-email-robherring2@gmail.com> Message-ID: <1353466713-18967-3-git-send-email-robherring2@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Srinidhi Kasagar The commit 7d28e3eaa1a8e951251b942e7220f97114bd73b9 ("ARM: ux500: wake secondary cpu via resched") makes use of schedule IPI to wake up the secondary core which seems incorrect. Rather use SGI0. Signed-off-by: srinidhi kasagar --- arch/arm/mach-ux500/platsmp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-ux500/platsmp.c b/arch/arm/mach-ux500/platsmp.c index 3db7782..79531f1 100644 --- a/arch/arm/mach-ux500/platsmp.c +++ b/arch/arm/mach-ux500/platsmp.c @@ -91,7 +91,7 @@ static int __cpuinit ux500_boot_secondary(unsigned int cpu, struct task_struct * */ write_pen_release(cpu_logical_map(cpu)); - smp_send_reschedule(cpu); + gic_raise_softirq(cpumask_of(cpu), 0); timeout = jiffies + (1 * HZ); while (time_before(jiffies, timeout)) { -- 1.7.10.4