Re: [Xen-devel] xen-swiotlb: WARNING: at kernel/smp.c:421 smp_call_function_many+0x66/0x1a1()

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Thu, Jul 22, 2010 at 12:59:28PM -0700, Jeremy Fitzhardinge wrote:
> On 07/22/2010 12:32 PM, Sander Eikelenboom wrote:
> > Hi Konrad,
> >
> > Finally found the time to test the xen-swiotlb again (together with 
> > usb3/xhci isoc pathes)
> > I began with your tree:
> > git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git  
> > devel/merge.2.6.35-rc3
> >
> > and after that i merged in a tree for the xhci part that is based on 
> > 2.6.35-rc4:
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci.git amd-isoc
> >
> > That all went without a problem, booting the resulting kernel in a PV domU 
> > gives the warnings below, i hope these can be addressed before the next 
> > merge window and xen-swiotlb will make it in !
> > Despite the 2 warnings, the usb devices i passed through seem to work ok.
> >   
> 
> Looks like you need changes:
> c2ae7934bba9f4e0492497953b60ffe75f9c3f5b
> 3ada8ba278a91fc73062d1ff6c6cd80bf7a058f3

Yup!
Thanks for finding them.

Sander, I should have a tree shortly up - with some other fixes in the
xen-pcifront in them.

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