On Sun, Mar 06, 2022 at 12:30:55PM -0800, Linus Torvalds wrote:
> So I would expect that
>
> (a) READ/WRITE actually fills the whole buffer
>
> (b) READ/WRITE are the only ones where we care about performance at a
> bounce-buffer level
>
> so it boils down to "do we still do this horrible memc
On Fri, 2022-03-04 at 14:03 +, Robin Murphy wrote:
>
> OK, so either there's a mystery bug where IOVAs somehow get freed on
> offline CPUs, or the hotplug notifier isn't working correctly, or
> you've
> contrived a situation where alloc_iova_fast() is actually racing
> against
> iova_cpuhp_
On Fri, 2022-03-04 at 14:03 +, Robin Murphy wrote:
>
> OK, so either there's a mystery bug where IOVAs somehow get freed on
> offline CPUs, or the hotplug notifier isn't working correctly, or
> you've
> contrived a situation where alloc_iova_fast() is actually racing
> against
> iova_cpuhp_
Hi Robin,
On 3/4/22 10:10 PM, Robin Murphy wrote:
On 2022-03-04 13:55, Eric Auger wrote:
Hi Robin,
On 3/4/22 1:22 PM, Robin Murphy wrote:
On 2022-03-04 10:43, Lu Baolu wrote:
Hi Eric,
On 2022/3/4 18:34, Eric Auger wrote:
I hit a WARN_ON() when unbinding an e1000e driver just after boot:
s
On 2022-03-04 9:22, John Garry wrote:
> On 04/03/2022 04:46, yf.wang--- via iommu wrote:
> > * MEDIATEK Confidentiality Notice
> > The
> > information contained in this e-mail message (including any
> > attachments) may be confidential, proprietary, privileged, or
On Sat, Mar 5, 2022 at 11:58 PM Christoph Hellwig wrote:
>
> All of thee apply to all I/O. SG_IO is just a vector here as a
> particularly badly designed userspace interface that happens to get a
> decent test coverage.
I phrased that badly. I didn't mean SG_IO in particular, I meant any
of the
From: Dongli Zhang Sent: Friday, March 4, 2022 10:28
AM
>
> Hi Michael,
>
> On 3/4/22 10:12 AM, Michael Kelley (LINUX) wrote:
> > From: Christoph Hellwig Sent: Tuesday, March 1, 2022 2:53 AM
> >>
> >> Power SVM wants to allocate a swiotlb buffer that is not restricted to low
> >> memory for
>
