From: Christoph Hellwig <hch@infradead.org>
To: Avi Kivity <avi@redhat.com>
Cc: Gleb Natapov <gleb@redhat.com>, mtosatti@redhat.com, kvm@vger.kernel.org
Subject: Re: [PATCHv2 3/4] Add HYPER-V apic access MSRs.
Date: Sun, 17 Jan 2010 07:32:32 -0500 [thread overview]
Message-ID: <20100117123232.GA10114@infradead.org> (raw)
In-Reply-To: <4B530090.50506@redhat.com>
On Sun, Jan 17, 2010 at 02:20:32PM +0200, Avi Kivity wrote:
>> + addr = kmap_atomic(page, KM_USER0);
>> + clear_user_page(addr, vaddr, page);
>> + kunmap_atomic(addr, KM_USER0);
>>
>
> Surprising that clear_user_page needs kmap_atomic() (but true).
There's a clear_user_highpage helper to take care of it for you.
next prev parent reply other threads:[~2010-01-17 12:32 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 [this message]
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
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20100117123232.GA10114@infradead.org \
--to=hch@infradead.org \
--cc=avi@redhat.com \
--cc=gleb@redhat.com \
--cc=kvm@vger.kernel.org \
--cc=mtosatti@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.