From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To: xen-devel@lists.xensource.com
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
jan.kiszka@siemens.com, qemu-devel@nongnu.org, avi@redhat.com,
pbonzini@redhat.com
Subject: [Qemu-devel] [PATCH v4 2/6] xen: disable rtc_clock
Date: Tue, 31 Jan 2012 16:12:50 +0000 [thread overview]
Message-ID: <1328026374-12803-2-git-send-email-stefano.stabellini@eu.citrix.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1201311551120.3196@kaball-desktop>
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(-)
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 */
--
1.7.2.5
next prev parent reply other threads:[~2012-01-31 16:11 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-31 16:11 [Qemu-devel] [PATCH v4 0/6] prevent QEMU from waking up needlessly Stefano Stabellini
2012-01-31 16:12 ` [Qemu-devel] [PATCH v4 1/6] xen: do not initialize the interval timer and PCSPK emulator Stefano Stabellini
2012-01-31 16:12 ` Stefano Stabellini [this message]
2012-01-31 16:12 ` [Qemu-devel] [PATCH v4 3/6] xen: introduce an event channel for buffered io event notifications Stefano Stabellini
2012-01-31 16:12 ` [Qemu-devel] [PATCH v4 4/6] timers: the rearm function should be able to handle delta = INT64_MAX Stefano Stabellini
2012-01-31 16:12 ` [Qemu-devel] [PATCH v4 5/6] qemu_next_alarm_deadline: check the expire time of a clock only if it is enabled Stefano Stabellini
2012-01-31 16:12 ` [Qemu-devel] [PATCH v4 6/6] qemu_calculate_timeout: increase minimum timeout to 1h Stefano Stabellini
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