3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Julien Grall <julien.gr...@linaro.org>
commit 0d7febe58413884f6428143221971618fbf3a47d upstream.
When CONFIG_PREEMPT is enabled, Linux will not be able to boot and warn:
[ 4.127825] ------------[ cut here ]------------
[ 4.133376] WARNING: at init/main.c:699 do_one_initcall+0x150/0x158()
[ 4.140738] initcall xen_init_events+0x0/0x10c returned with preemption
imbalance
This is because xen_percpu_init uses get_cpu but doesn't have the corresponding
put_cpu.
Signed-off-by: Julien Grall <julien.gr...@linaro.org>
Signed-off-by: Stefano Stabellini <stefano.stabell...@eu.citrix.com>
Signed-off-by: Jonghwan Choi <jhbird.c...@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
arch/arm/xen/enlighten.c | 1 +
1 file changed, 1 insertion(+)
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -170,6 +170,7 @@ static void __init xen_percpu_init(void
per_cpu(xen_vcpu, cpu) = vcpup;
enable_percpu_irq(xen_events_irq, 0);
+ put_cpu();
}
static void xen_restart(char str, const char *cmd)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
