Re: [PATCH v3] vhost: disable for OABI

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Apr 20, 2020 at 01:29:09AM -0700, Christoph Hellwig wrote:
> On Thu, Apr 16, 2020 at 06:20:20PM -0400, Michael S. Tsirkin wrote:
> > vhost is currently broken on the some ARM configs.
> > 
> > The reason is that that uses apcs-gnu which is the ancient OABI that is been
> > deprecated for a long time.
> > 
> > Given that virtio support on such ancient systems is not needed in the
> > first place, let's just add something along the lines of
> > 
> > 	depends on !ARM || AEABI
> > 
> > to the virtio Kconfig declaration, and add a comment that it has to do
> > with struct member alignment.
> > 
> > Note: we can't make VHOST and VHOST_RING themselves have
> > a dependency since these are selected. Add a new symbol for that.
> 
> This description is horrible.  The only interesting thing for ARM OABI
> is that it has some strange padding rules, but that isn't something
> that can't be handled.   Please spend some time looking into the issue
> and add te proper __padded annotations, we've done that elsewhere in
> the kernel and it isn't too bad - in fact it helps understanding issues
> with implicit alignment.

Yes I have a patch queued to fix it. I wanted a minimal patch for this
release though.

> And even if you have a good reason not to fix vhost (which I think you
> don't have) this changelog is just utter crap, as it fails to mention
> what the problem with ARM OABI even is.

I'll tweak that, thanks!

-- 
MST

_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linuxfoundation.org/mailman/listinfo/virtualization



[Index of Archives]     [KVM Development]     [Libvirt Development]     [Libvirt Users]     [CentOS Virtualization]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux