Re: [Qemu-devel] [PATCH v4 5/5] hpet 'driftfix': add code in hpet_timer() to compensate delayed callbacks and coalesced interrupts

2011-05-11 Thread Zachary Amsden
On 05/09/2011 12:03 AM, Ulrich Obergfell wrote: Loss of periodic timer interrupts caused by delayed callbacks and by interrupt coalescing is compensated by gradually injecting additional interrupts during subsequent timer intervals, starting at a rate of one additional interrupt per interval. The

Re: [Qemu-devel] [RFC][PATCH 0/3] Let RTC follow backward jumps of host clock immediately

2010-12-23 Thread Zachary Amsden
On 12/17/2010 04:58 AM, Jan Kiszka wrote: By default, we base the mc146818 RTC on the host clock (CLOCK_REALTIME). This works fine if only the frequency of the host clock is tuned (e.g. by NTP) or if it is set to a future time. However, if the host is tuned backward, e.g. because NTP obtained the

Re: [Qemu-devel] [PATCH] Fix busted driftfix option

2010-03-29 Thread Zachary Amsden
On 03/26/10 23:14, Blue Swirl wrote: > On 3/26/10, Zachary Amsden wrote: > >> For some reason, this uses CONFIG_TARGET_I386 instead of TARGET_I386, so >> the code is dead. >> > The code is also broken: it references undefined variable 'buf' > inst

[Qemu-devel] [PATCH] Fix busted driftfix option

2010-03-25 Thread Zachary Amsden
For some reason, this uses CONFIG_TARGET_I386 instead of TARGET_I386, so the code is dead. CONFIG_TARGET_XXX is wrong Signed-off-by: Zachary Amsden diff --git a/vl.c b/vl.c index 6e35cc6..9720619 100644 --- a/vl.c +++ b/vl.c @@ -1565,7 +1565,7 @@ static void configure_rtc(QemuOpts *opts

[Qemu-devel] Re: [PATCH] QEMU kill CR3_CACHE references

2010-02-19 Thread Zachary Amsden
Hi, The CR3 caching was never implemented in QEMU and is obsoleted by NPT/EPT. This patch removes the unused references to it from target-i386/kvm.c. This feature was broken by design. Glad to see it go. Zach