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[xenial,v3,2/8] Drivers: hv: util: Use hv_get_current_tick() to get current tick

Message ID 1499086625-15995-3-git-send-email-marcelo.cerri@canonical.com
State New
Headers show

Commit Message

Marcelo Henrique Cerri July 3, 2017, 12:56 p.m. UTC 
From: K. Y. Srinivasan <kys@microsoft.com>

BugLink: http://bugs.launchpad.net/bugs/1676635

As part of the effort to interact with Hyper-V in an instruction set
architecture independent way, use the new API to get the current
tick.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 305f7549c9298247723c255baddb7a54b4e63050)
Signed-off-by: Marcelo Henrique Cerri <marcelo.cerri@canonical.com>
---
 drivers/hv/hv_util.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c
index bcd06306f3e8..07a783b52784 100644
--- a/drivers/hv/hv_util.c
+++ b/drivers/hv/hv_util.c
@@ -27,6 +27,7 @@ 
 #include <linux/sysctl.h>
 #include <linux/reboot.h>
 #include <linux/hyperv.h>
+#include <asm/mshyperv.h>
 
 #include "hyperv_vmbus.h"
 
@@ -199,7 +200,7 @@  static void hv_set_host_time(struct work_struct *work)
 		 */
 		u64 current_tick;
 
-		rdmsrl(HV_X64_MSR_TIME_REF_COUNT, current_tick);
+		hv_get_current_tick(current_tick);
 		newtime += (current_tick - wrk->ref_time);
 	}
 	host_tns = (newtime - WLTIMEDELTA) * 100;