From: Avi Kivity <avi@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>,
mtosatti@redhat.com, kvm@vger.kernel.org
Subject: Re: [PATCHv2 3/4] Add HYPER-V apic access MSRs.
Date: Sun, 17 Jan 2010 14:48:08 +0200 [thread overview]
Message-ID: <4B530708.1050006@redhat.com> (raw)
In-Reply-To: <20100117124654.GE31692@redhat.com>
On 01/17/2010 02:46 PM, Gleb Natapov wrote:
> On Sun, Jan 17, 2010 at 07:44:57AM -0500, Christoph Hellwig wrote:
>
>> On Sun, Jan 17, 2010 at 02:41:42PM +0200, Gleb Natapov wrote:
>>
>>> I copied code from the instead of using helper faction for
>>> some unknown to me reason. Anyway if I can't get struct page from
>>> user virtual address I can't use it. Actually I am not sure the page
>>> should be zeroed at all. Spec only descries first dword of the page and
>>> doesn't require zeroing the reset as far as I see.
>>>
>> There's a clear_user() function that just takes a user virtual address
>> and a size.
>>
> Precisely what I need. Thanks!
>
>
But clear_user_page() is confusingly named. I assume it deals with
virtually tagged caches on archs that have them?
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-01-17 12:48 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-17 9:03 [PATCHv2 0/4] Add support for some HYPER-V PV features Gleb Natapov
2010-01-17 9:03 ` [PATCHv2 1/4] Add HYPE-V header file Gleb Natapov
2010-01-17 9:03 ` [PATCHv2 2/4] Implement bare minimum of HYPER-V MSRs Gleb Natapov
2010-01-17 12:10 ` Avi Kivity
2010-01-17 12:44 ` Gleb Natapov
2010-01-17 12:49 ` Avi Kivity
2010-01-17 12:51 ` Gleb Natapov
2010-01-17 9:03 ` [PATCHv2 3/4] Add HYPER-V apic access MSRs Gleb Natapov
2010-01-17 12:20 ` Avi Kivity
2010-01-17 12:32 ` Christoph Hellwig
2010-01-17 12:41 ` Gleb Natapov
2010-01-17 12:44 ` Christoph Hellwig
2010-01-17 12:46 ` Gleb Natapov
2010-01-17 12:48 ` Avi Kivity [this message]
2010-01-17 12:34 ` Vadim Rozenfeld
2010-01-17 12:36 ` Gleb Natapov
2010-01-17 12:46 ` Avi Kivity
2010-01-17 12:50 ` Gleb Natapov
2010-01-17 12:53 ` Avi Kivity
2010-01-17 9:03 ` [PATCHv2 4/4] Implement NotifyLongSpinWait HYPER-V hypercall Gleb Natapov
2010-01-17 12:22 ` Avi Kivity
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