From: Avi Kivity <avi@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Blue Swirl <blauwirbel@gmail.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: [PATCHv2] qemu: target library, use it in msix
Date: Sun, 27 Sep 2009 16:26:33 +0200 [thread overview]
Message-ID: <4ABF7619.7000103@redhat.com> (raw)
In-Reply-To: <20090927142129.GA24851@redhat.com>
On 09/27/2009 04:21 PM, Michael S. Tsirkin wrote:
>
>> How can the caller (except in your special case) know if it has a
>> quantity that will fit in 32 bits?
>>
> It's actually not unusual for devices to limit addressing to 32 bit, whatever
> the bus supports. For example, the value might come from a 32 bit pci
> bar, even on a 64 bit system this will get values 0 to 4G.
>
What if the caller is a device that doesn't intentionally cripple itself?
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
next prev parent reply other threads:[~2009-09-27 14:26 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-23 20:06 [Qemu-devel] [PATCHv2] qemu: target library, use it in msix Michael S. Tsirkin
2009-09-24 17:50 ` [Qemu-devel] " Blue Swirl
2009-09-24 19:11 ` Michael S. Tsirkin
2009-09-24 20:13 ` Blue Swirl
2009-09-29 16:11 ` [Qemu-devel] CODING_STYLE (was Re: [PATCHv2] qemu: target library, use it in msix) Michael S. Tsirkin
2009-09-29 18:15 ` [Qemu-devel] " Blue Swirl
2009-09-30 13:51 ` Michael S. Tsirkin
2009-09-30 16:50 ` malc
2009-09-30 17:00 ` Avi Kivity
2009-09-30 17:29 ` Michael S. Tsirkin
2009-09-30 17:29 ` Blue Swirl
2009-09-30 21:01 ` Anthony Liguori
2009-10-01 6:17 ` Michael S. Tsirkin
2009-10-01 8:43 ` Kevin Wolf
2009-10-01 8:58 ` Michael S. Tsirkin
2009-10-01 9:10 ` Kevin Wolf
2009-10-01 9:17 ` Michael S. Tsirkin
2009-10-01 6:31 ` Avi Kivity
2009-10-01 6:47 ` Michael S. Tsirkin
2009-10-01 7:08 ` Paolo Bonzini
2009-09-30 17:00 ` [Qemu-devel] Re: CODING_STYLE Juan Quintela
2009-10-01 1:25 ` Edgar E. Iglesias
2009-10-01 6:41 ` Michael S. Tsirkin
2009-10-01 9:01 ` Gleb Natapov
2009-10-01 8:56 ` Kevin Wolf
2009-10-01 9:02 ` Michael S. Tsirkin
2009-10-01 9:46 ` Gleb Natapov
2009-10-01 10:02 ` Michael S. Tsirkin
2009-10-01 9:01 ` Gleb Natapov
2009-09-30 17:02 ` Markus Armbruster
2009-10-01 6:37 ` Amit Shah
2009-09-30 17:31 ` [Qemu-devel] Re: CODING_STYLE (was Re: [PATCHv2] qemu: target library, use it in msix) Paolo Bonzini
2009-09-30 17:32 ` Michael S. Tsirkin
2009-09-30 17:48 ` Michael S. Tsirkin
2009-09-30 18:32 ` Paolo Bonzini
2009-10-01 6:00 ` Michael S. Tsirkin
2009-09-30 20:11 ` [Qemu-devel] Re: CODING_STYLE Markus Armbruster
2009-09-30 21:00 ` [Qemu-devel] Re: CODING_STYLE (was Re: [PATCHv2] qemu: target library, use it in msix) Anthony Liguori
2009-09-30 23:01 ` [Qemu-devel] Re: CODING_STYLE Markus Armbruster
2009-09-30 23:24 ` Anthony Liguori
2009-09-30 16:06 ` [Qemu-devel] Re: CODING_STYLE (was Re: [PATCHv2] qemu: target library, use it in msix) Christoph Hellwig
2009-09-30 16:14 ` Michael S. Tsirkin
2009-09-30 21:04 ` Anthony Liguori
2009-09-27 8:20 ` [Qemu-devel] Re: [PATCHv2] qemu: target library, use it in msix Michael S. Tsirkin
2009-09-27 10:40 ` Avi Kivity
2009-09-27 11:45 ` Michael S. Tsirkin
2009-09-27 11:55 ` Avi Kivity
2009-09-27 12:00 ` Michael S. Tsirkin
2009-09-27 12:19 ` Avi Kivity
2009-09-27 14:08 ` Michael S. Tsirkin
2009-09-27 14:14 ` Avi Kivity
2009-09-27 14:21 ` Michael S. Tsirkin
2009-09-27 14:24 ` Michael S. Tsirkin
2009-09-27 15:19 ` Blue Swirl
2009-09-29 14:50 ` Michael S. Tsirkin
2009-09-29 15:15 ` Blue Swirl
2009-09-29 15:57 ` Michael S. Tsirkin
2009-09-29 16:26 ` Avi Kivity
2009-09-29 16:38 ` Michael S. Tsirkin
2009-09-29 19:34 ` Blue Swirl
2009-09-29 21:09 ` Michael S. Tsirkin
2009-09-27 14:26 ` Avi Kivity [this message]
2009-09-29 7:19 ` Michael S. Tsirkin
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