From: Paolo Bonzini <pbonzini@redhat.com>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: "Zhang, Yang Z" <yang.z.zhang@intel.com>,
"aliguori@us.ibm.com" <aliguori@us.ibm.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: [PATCH v4 5/7] RTC:Add RTC update-ended interrupt support
Date: Wed, 21 Mar 2012 22:16:59 +0100 [thread overview]
Message-ID: <4F6A454B.104@redhat.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1203211643190.15151@kaball-desktop>
Il 21/03/2012 17:54, Stefano Stabellini ha scritto:
>> >
>> > No, you need to set UF in case the code observes it without actually
>> > enabling interrupt delivery on the ISA bus.
>
> Well, if it is just about updating UF, can we do it only when the user
> reads REG_C?
Perhaps, but for AF it is much harder. Note that if the guest does not
care, this will run just once.
Paolo
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: "Zhang, Yang Z" <yang.z.zhang@intel.com>,
"aliguori@us.ibm.com" <aliguori@us.ibm.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: [Qemu-devel] [PATCH v4 5/7] RTC:Add RTC update-ended interrupt support
Date: Wed, 21 Mar 2012 22:16:59 +0100 [thread overview]
Message-ID: <4F6A454B.104@redhat.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1203211643190.15151@kaball-desktop>
Il 21/03/2012 17:54, Stefano Stabellini ha scritto:
>> >
>> > No, you need to set UF in case the code observes it without actually
>> > enabling interrupt delivery on the ISA bus.
>
> Well, if it is just about updating UF, can we do it only when the user
> reads REG_C?
Perhaps, but for AF it is much harder. Note that if the guest does not
care, this will run just once.
Paolo
next prev parent reply other threads:[~2012-03-21 21:16 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-19 6:14 [PATCH v4 5/7] RTC:Add RTC update-ended interrupt support Zhang, Yang Z
2012-03-19 6:14 ` [Qemu-devel] " Zhang, Yang Z
2012-03-20 18:04 ` Stefano Stabellini
2012-03-20 18:04 ` Stefano Stabellini
2012-03-20 18:35 ` Stefano Stabellini
2012-03-21 7:49 ` Paolo Bonzini
2012-03-21 16:54 ` Stefano Stabellini
2012-03-21 16:54 ` Stefano Stabellini
2012-03-21 21:16 ` Paolo Bonzini [this message]
2012-03-21 21:16 ` Paolo Bonzini
2012-03-22 10:29 ` Stefano Stabellini
2012-03-22 10:29 ` Stefano Stabellini
2012-03-22 0:04 ` Zhang, Yang Z
2012-03-22 0:04 ` Zhang, Yang Z
2012-03-22 10:29 ` Stefano Stabellini
2012-03-22 10:29 ` Stefano Stabellini
2012-03-22 10:32 ` Paolo Bonzini
2012-03-22 10:32 ` Paolo Bonzini
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