From 04992bde42f477c254fe8b684ac251d2503b775b Mon Sep 17 00:00:00 2001 From: Dario Faggioli Date: Thu, 7 May 2015 15:15:24 +0200 Subject: [PATCH] always print offending CPU on bringup/teardown failure In fact, before this change, if bringing up or tearing down a CPU fails with -EBUSY, we BUG_ON() and never get to see what CPU caused the problem. Signed-off-by: Dario Faggioli --- xen/common/cpu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/xen/common/cpu.c b/xen/common/cpu.c index 47e8b5bb57..497e0cbb51 100644 --- a/xen/common/cpu.c +++ b/xen/common/cpu.c @@ -187,8 +187,8 @@ int disable_nonboot_cpus(void) if ( (error = cpu_down(cpu)) ) { - BUG_ON(error == -EBUSY); printk("Error taking CPU%d down: %d\n", cpu, error); + BUG_ON(error == -EBUSY); break; } @@ -209,8 +209,8 @@ void enable_nonboot_cpus(void) { if ( (error = cpu_up(cpu)) ) { + printk("Error bringing CPU%d up: %d\n", cpu, error); BUG_ON(error == -EBUSY); - printk("Error taking CPU%d up: %d\n", cpu, error); } } -- 2.30.2