linux-kernel - [PATCH 2/3 v2] arm/xen: Consolidate calls to shutdown hypercall in a single helper

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Date:   Mon, 24 Apr 2017 18:58:38 +0100
From:   Julien Grall <julien.grall@....com>
To:     xen-devel@...ts.xen.org
Cc:     sstabellini@...nel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, mark.rutland@....com,
        linux-efi@...r.kernel.org, Julien Grall <julien.grall@....com>
Subject: [PATCH 2/3 v2] arm/xen: Consolidate calls to shutdown hypercall in a single helper

Signed-off-by: Julien Grall <julien.grall@....com>

---
    Changes in v2:
        - Patch added
---
 arch/arm/xen/enlighten.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 81e3217b12d3..ba7f4c8f5c3e 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -191,20 +191,24 @@ static int xen_dying_cpu(unsigned int cpu)
 	return 0;
 }
 
-static void xen_restart(enum reboot_mode reboot_mode, const char *cmd)
+void xen_reboot(int reason)
 {
-	struct sched_shutdown r = { .reason = SHUTDOWN_reboot };
+	struct sched_shutdown r = { .reason = reason };
 	int rc;
+
 	rc = HYPERVISOR_sched_op(SCHEDOP_shutdown, &r);
 	BUG_ON(rc);
 }
 
+static void xen_restart(enum reboot_mode reboot_mode, const char *cmd)
+{
+	xen_reboot(SHUTDOWN_reboot);
+}
+
+
 static void xen_power_off(void)
 {
-	struct sched_shutdown r = { .reason = SHUTDOWN_poweroff };
-	int rc;
-	rc = HYPERVISOR_sched_op(SCHEDOP_shutdown, &r);
-	BUG_ON(rc);
+	xen_reboot(SHUTDOWN_poweroff);
 }
 
 static irqreturn_t xen_arm_callback(int irq, void *arg)
-- 
2.11.0