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Re: [Qemu-devel] [PATCH 2/4] arm: switch real-time clocks to rtc_clock


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH 2/4] arm: switch real-time clocks to rtc_clock
Date: Fri, 17 Feb 2012 09:05:27 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20120131 Thunderbird/10.0

On 02/17/2012 08:09 AM, andrzej zaborowski wrote:
>> > This lets the user specify the desired semantics.  By default, the RTC
>> > will follow adjustments from the host's NTP client.  "-rtc clock=vm" will
>> > improve determinism with both icount and qtest.  Finally, the previous
>> > behavior is available with "-rtc clock=rt".
> Generally this makes sense except for the omap1 "lpg" module where the
> clock state is not visible to the guest, only to the host.  It
> emulates a blinking led.

Ok, then I think it's better to switch that one to vm_clock (so that you
could use it as a deterministic debugging aid with -icount, for
example).  What do you think?

Paolo



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