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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