+ Tvrtko to take a look
Quoting Konrad Rzeszutek Wilk (2021-05-20 18:12:58)
> On Mon, May 10, 2021 at 05:25:25PM +0200, Christoph Hellwig wrote:
> > Hi all,
> >
> > swiotlb_max_segment is a rather strange "API" export by swiotlb.c,
> > and i915 is the only (remaining) user.
> >
> > swiotlb_max_s
Quoting Tvrtko Ursulin (2020-11-03 11:14:32)
>
>
> On 03/11/2020 02:53, Lu Baolu wrote:
> > On 11/2/20 7:52 PM, Tvrtko Ursulin wrote:
> >>
> >> On 02/11/2020 02:00, Lu Baolu wrote:
> >>> Hi Tvrtko,
> >>> On 10/12/20 4:44 PM, Tvrtko Ursulin wrote:
>
> On 29/09/2020 01:11, Lu Baolu wrote:
Quoting Joerg Roedel (2019-01-22 18:51:35)
> On Tue, Jan 22, 2019 at 04:48:26PM +0200, Joonas Lahtinen wrote:
> > According to our IOMMU folks there exists some desire to be able to assign
> > the iGFX device aka have intel_iommu=on instead of intel_iommu=igfx_off
> > due to
Quoting Joerg Roedel (2019-01-22 13:01:09)
> Hi Daniel,
>
> On Tue, Jan 22, 2019 at 11:46:39AM +0100, Daniel Vetter wrote:
> > Note that the string of platforms which have various issues with iommu
> > and igfx is very long, thus far we only disabled it where there's no
> > workaround to stop it f
Quoting Eric Wong (2019-01-04 03:06:26)
> Joonas Lahtinen wrote:
> > Quoting Eric Wong (2018-12-27 13:49:48)
> > > I just got a used Thinkpad X201 (Core i5 M 520, Intel QM57
> > > chipset) and hit some kernel panics while trying to view
> > > image/anima
Quoting Eric Wong (2018-12-27 13:49:48)
> I just got a used Thinkpad X201 (Core i5 M 520, Intel QM57
> chipset) and hit some kernel panics while trying to view
> image/animation-intensive stuff in Firefox (X11) unless I use
> "iommu_intel=igfx_off".
>
> With Debian stable backport kernels, "linux-
comes to my mind is exporting function like device_has_rmrr() from
intel-iommu.com and consuming that, if we end up doing this. That way,
if somebody, some day, goes and write RMRR pass-through code currently
missing, it'll start working, just like it should.
Regards, Joonas
--
Joonas L
ing out of memory. Here, we can instead schedule a task to run
> on the other CPU to do the flush before trying again.
>
> Signed-off-by: Chris Wilson
> Cc: Joonas Lahtinen
> Cc: Joerg Roedel
> Cc: iommu@lists.linux-foundation.org
> Cc: linux-ker...@vger.kernel.
isable(); var = this_cpu_ptr() to var = get_cpu_ptr()
> v3: Actually use get_cpu_ptr (not get_cpu_var). Drop the spinlock
> removal, concentrate on the immediate bug fix.
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96293
> Signed-off-by: Chris Wilson
> Cc: Joonas L