From: Stijn Tintel
Move initialization of the virtio framework before the initialization of
mtd, so that block2mtd can be used on virtio-based block devices.
Addresses https://bugzilla.kernel.org/show_bug.cgi?id=15644
Signed-off-by: Stijn Tintel
Signed-off-by: Rusty Russell
Cc: sta...@kernel.
On Thu, 6 May 2010 03:49:46 pm Michael S. Tsirkin wrote:
> Now, I also added an mb() in guest between read and write so
> that last used index write can not get ahead of used index read.
> It does feel good to have it there, but I can not say why
> it's helpful. Works fine without it, but then thes
On Thu, 6 May 2010 07:30:00 pm Avi Kivity wrote:
> On 05/05/2010 11:58 PM, Michael S. Tsirkin wrote:
> > + /* We publish the last-seen used index at the end of the available ring.
> > +* It is at the end for backwards compatibility. */
> > + vr->last_used_idx =&(vr)->avail->ring[num];
> > +
On Thu, 6 May 2010 03:57:55 pm Michael S. Tsirkin wrote:
> On Thu, May 06, 2010 at 10:22:12AM +0930, Rusty Russell wrote:
> > On Wed, 5 May 2010 03:52:36 am Michael S. Tsirkin wrote:
> > > What do you think?
> >
> > I think everyone is settled on 128 byte cache lines for the forseeable
> > future,
On Wed, May 05, 2010 at 10:52:53AM -0700, Stephen Hemminger wrote:
> Let me put it bluntly. Any design that allows external code to run
> in the kernel is not going to be accepted. Out of tree kernel modules are
> enough
> of a pain already, why do you expect the developers to add another
> inter
On Thu, May 06, 2010 at 11:04:11AM -0700, Pankaj Thakkar wrote:
> Plugin is x86 or x64 machine code. You write the plugin in C and compile it
> using gcc/ld to get the object file, we map the relevant sections only to the
> OS space.
Which is simply not supportable for a cross-platform operatin
On Wed, May 05, 2010 at 10:47:10AM -0700, Pankaj Thakkar wrote:
> > Forget about the licensing. Loading binary blobs written to a shim
> > layer is a complete pain in the ass and totally unsupportable, and
> > also uninteresting because of the overhead.
>
> [PT] Why do you think it is unsupportab
On Thu, May 06, 2010 at 01:19:33AM -0700, Gleb Natapov wrote:
> Overhead of interpreting bytecode plugin is written in. Or are you
> saying plugin is x86 assembly (32bit or 64bit btw?) and other arches
> will have to have in kernel x86 emulator to use the plugin (like some
> of them had for vgabios
Michael S. Tsirkin wrote:
> Hi!
> I see this in virtio_ring.c:
>
> /* Put entry in available array (but don't update avail->idx *
> until they do sync). */
>
> Why is it done this way?
> It seems that updating the index straight away would be simpler, while
> this might allow the
Rusty Russell wrote:
> On Wed, 5 May 2010 05:47:05 am Jamie Lokier wrote:
> > Jens Axboe wrote:
> > > On Tue, May 04 2010, Rusty Russell wrote:
> > > > ISTR someone mentioning a desire for such an API years ago, so CC'ing
> > > > the
> > > > usual I/O suspects...
> > >
> > > It would be nice to h
On 5/5/10 10:29 AM, "Dmitry Torokhov" wrote:
> It would not be a binary blob but software properly released under GPL.
> The current plan is for the shell to enforce GPL requirement on the
> plugin code, similar to what module loaded does for regular kernel
> modules.
On 5/5/10 3:05 PM, "Shreyas
Rusty Russell wrote:
> > Seems over-zealous.
> > If the recovery_header held a strong checksum of the recovery_data you would
> > not need the first fsync, and as long as you have two places to write
> > recovery
> > data, you don't need the 3rd and 4th syncs.
> > Just:
> >
> > write_internally
On 05/05/2010 11:58 PM, Michael S. Tsirkin wrote:
> + /* We publish the last-seen used index at the end of the available ring.
> + * It is at the end for backwards compatibility. */
> + vr->last_used_idx =&(vr)->avail->ring[num];
> + /* Verify that last used index does not spill ov
On 05/05/2010 10:44 PM, Pankaj Thakkar wrote:
> On Wed, May 05, 2010 at 10:59:51AM -0700, Avi Kivity wrote:
>
>> Date: Wed, 5 May 2010 10:59:51 -0700
>> From: Avi Kivity
>> To: Pankaj Thakkar
>> CC: "linux-ker...@vger.kernel.org",
>> "net...@vger.kernel.org",
>> "virtualization@lists.
On Wed, May 05, 2010 at 10:47:10AM -0700, Pankaj Thakkar wrote:
>
>
> > -Original Message-
> > From: Christoph Hellwig [mailto:h...@infradead.org]
> > Sent: Wednesday, May 05, 2010 10:40 AM
> > To: Dmitry Torokhov
> > Cc: Christoph Hellwig; pv-driv...@vmware.com; Pankaj Thakkar;
> > net..
From: "Michael S. Tsirkin"
Date: Tue, 4 May 2010 14:21:01 +0300
> This is an amended pull request: I have rebased the tree to the
> correct patches. This has been through basic tests and seems
> to work fine here.
>
> The following tree includes a couple of enhancements that help vhost-net.
> Pl
> -Original Message-
> From: Scott Feldman [mailto:scofe...@cisco.com]
> Sent: Wednesday, May 05, 2010 7:04 PM
> To: Shreyas Bhatewara; Arnd Bergmann; Dmitry Torokhov
> Cc: Christoph Hellwig; pv-driv...@vmware.com; net...@vger.kernel.org;
> linux-ker...@vger.kernel.org; virtualizat...@lis
> -Original Message-
> From: Scott Feldman [mailto:scofe...@cisco.com]
> Sent: Wednesday, May 05, 2010 7:04 PM
> To: Shreyas Bhatewara; Arnd Bergmann; Dmitry Torokhov
> Cc: Christoph Hellwig; pv-driv...@vmware.com; net...@vger.kernel.org;
> linux-ker...@vger.kernel.org; virtualizat...@lists
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