Patchwork [v5,2/6] xen: disable rtc_clock

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Submitter Stefano Stabellini
Date Feb. 14, 2012, 3:07 p.m.
Message ID <1329232038-12349-2-git-send-email-stefano.stabellini@eu.citrix.com>
Download mbox | patch
Permalink /patch/141206/
State New
Headers show

Comments

Stefano Stabellini - Feb. 14, 2012, 3:07 p.m.
rtc_clock is only used by the RTC emulator (mc146818rtc.c), however Xen
has its own RTC emulator in the hypervisor so we can disable it.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
---
 xen-all.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

Patch

diff --git a/xen-all.c b/xen-all.c
index fd39168..101c962 100644
--- a/xen-all.c
+++ b/xen-all.c
@@ -514,6 +514,10 @@  void xen_vcpu_init(void)
         qemu_register_reset(xen_reset_vcpu, first_cpu);
         xen_reset_vcpu(first_cpu);
     }
+    /* if rtc_clock is left to default (host_clock), disable it */
+    if (rtc_clock == host_clock) {
+        qemu_clock_enable(rtc_clock, false);
+    }
 }
 
 /* get the ioreq packets from share mem */