From: Jan Kiszka <jan.kiszka@web.de>
To: Avi Kivity <avi@redhat.com>
Cc: Beth Kon <eak@us.ibm.com>, kvm@vger.kernel.org
Subject: Re: [PATCH 2/2][RFC] Kernel changes for HPET legacy mode (v7)
Date: Mon, 22 Jun 2009 11:14:22 +0200 [thread overview]
Message-ID: <4A3F4B6E.2050301@web.de> (raw)
In-Reply-To: <4A3F4739.7070904@redhat.com>
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Avi Kivity wrote:
> On 06/18/2009 10:04 PM, Jan Kiszka wrote:
>> Hmm, stead of introducing a new pair of singe-purpose IOCTLs, why not
>> add KVM_GET/SET_PIT2 which exchanges an extended kvm_pit_state2. And
>> that struct should also include some flags field and enough padding to
>> be potentially extended yet again in the future. In that case I see no
>> problem having also a mode read-back interface.
>>
>
> We'd only add kernel hpet if we were forced to (I imagine the same
> applications/kernels that forced the PIT into the kernel will do the
> same for HPET).
>
Answer and citation does not yet correlate for me.
Could you comment more explicitly if your are fine with Beth's proposed
interface, rather prefer something like my suggestion or even want
something totally different?
Thanks,
Jan
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next prev parent reply other threads:[~2009-06-22 9:14 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-18 12:47 [PATCH 0/2][RFC] Completing HPET in KVM (v7) Beth Kon
2009-06-18 12:47 ` [PATCH 1/2][RFC] Userspace changes for KVM HPET (v7) Beth Kon
2009-06-18 12:47 ` [PATCH 2/2][RFC] Kernel changes for HPET legacy mode (v7) Beth Kon
2009-06-18 19:04 ` Jan Kiszka
2009-06-19 13:54 ` Beth Kon
2009-06-22 8:56 ` Avi Kivity
2009-06-22 9:14 ` Jan Kiszka [this message]
2009-06-22 9:24 ` Avi Kivity
2009-06-23 0:09 ` Beth Kon
2009-06-23 11:04 ` Jan Kiszka
2009-06-22 8:56 ` [PATCH 0/2][RFC] Completing HPET in KVM (v7) Avi Kivity
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