From: Avi Kivity <avi@qumranet.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: kvm@vger.kernel.org, virtualization@lists.osdl.org
Subject: Re: [kvm-devel] [PATCH 3/4] kvm/host: fix paravirt clocksource to be compatible with xen.
Date: Wed, 21 May 2008 18:24:34 +0300 [thread overview]
Message-ID: <48343EB2.9090301@qumranet.com> (raw)
In-Reply-To: <482D3C00.80707@redhat.com>
Gerd Hoffmann wrote:
>
>>> +static uint32_t div_frac(uint32_t dividend, uint32_t divisor)
>>> +{
>>> + uint32_t quotient, remainder;
>>> +
>>> + __asm__ ( "divl %4"
>>> + : "=a" (quotient), "=d" (remainder)
>>> + : "0" (0), "1" (dividend), "r" (divisor) );
>>> + return quotient;
>>> +}
>>>
>>>
>> do_div()?
>>
>
> No, this one does something else. Already tried to get rid of that one
> before ;)
>
>
Ah yes, it calculates (dividend << 32) / divisor.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2008-05-21 15:24 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-08 11:48 [PATCH 0/4] paravirt clock series Gerd Hoffmann
2008-05-08 11:48 ` [PATCH 1/4] Add helper functions for paravirtual clocksources Gerd Hoffmann
2008-05-08 11:48 ` [PATCH 2/4] Make xen use the generic paravirt clocksource code Gerd Hoffmann
2008-05-08 11:48 ` [PATCH 3/4] kvm/host: fix paravirt clocksource to be compatible with xen Gerd Hoffmann
2008-05-13 8:03 ` [kvm-devel] " Avi Kivity
2008-05-16 7:47 ` Gerd Hoffmann
2008-05-18 6:05 ` [kvm-devel] " Avi Kivity
2008-05-21 15:24 ` Avi Kivity [this message]
2008-05-08 11:48 ` [PATCH 4/4] kvm/guest: fix paravirt clocksource to be compartible " Gerd Hoffmann
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=48343EB2.9090301@qumranet.com \
--to=avi@qumranet.com \
--cc=kraxel@redhat.com \
--cc=kvm@vger.kernel.org \
--cc=virtualization@lists.osdl.org \
/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.