Re: [PATCH] pci-dma: Fix x86 dma_alloc_coherent to fully clear all pages returned

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On Wed, 18 Feb 2015, Tim Chen wrote:

> On Wed, 2015-02-04 at 10:30 -0800, Tim Chen wrote:
> > On Mon, 2015-02-02 at 19:39 +0300, Sergei Shtylyov wrote:
> > 
> > > 
> > > > Hi, is this an open-coded version of PAGE_ALIGN?
> > > 
> > >     Yes, it appears so. :-)
> > > 
> > > WBR, Sergei
> > > 
> > 
> > Thanks for the suggestion by Jiri. I updated the patch to use PAGE_ALIGN
> > below.
> > 
> > Regards,
> > Tim
> > 
> 
> Is there any resolution on this patch?  I haven't seen fixes from the
> XHCI folks yet.  This is breaking many of our systems.

Have you tried doing the experiments I suggested in

	http://marc.info/?l=linux-usb&m=142272448620716&w=2

to determine where the problem occurs?

Alan Stern

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