Why we didn't use embedded gem object for virtio gpu when making ttm bo a gem bo subclass?

Hi Gerd, We found a bug in 5.4 kernel and virtgpu_gem_prime_mmap doesn't work because it references vma_node in gem_base object while ttm code initialized vma_node in tbo.base object. I am wondering, in your original serial: https://patchwork.kernel.org/project/dri-devel/cover/20190805124310.3275-

[PATCH] drm/i915: Release i915_gem_context from a worker

The only reason for this really is the i915_gem_engines->fence callback engines_notify(), which exists purely as a fairly funky reference counting scheme for that. Otherwise all other callers are from process context, and generally fairly benign locking context. Unfortunately untangling that requi

[BUG - BISECTED] display not detected anymore

Hello, I have Fedora 33 running, and with the Fedore kernel update from 5.11 series to 5.12 my external monitor was not detected anymore. Same is true with the Fedora supplied 5.13 kernel version. So I tried with vanilla kernel 5.11 and latest git head from Linus' tree. 5.11 works while latest gi

Re: [PATCH v2 01/12] x86/ioremap: Selectively build arch override encryption functions

On Fri, Aug 13, 2021 at 11:59:20AM -0500, Tom Lendacky wrote: > In prep for other uses of the prot_guest_has() function besides AMD's > memory encryption support, selectively build the AMD memory encryption > architecture override functions only when CONFIG_AMD_MEM_ENCRYPT=y. These > functions are:

Re: [PATCH v2 02/12] mm: Introduce a function to check for virtualization protection features

On Fri, Aug 13, 2021 at 11:59:21AM -0500, Tom Lendacky wrote: > In prep for other protected virtualization technologies, introduce a > generic helper function, prot_guest_has(), that can be used to check > for specific protection attributes, like memory encryption. This is > intended to eliminate h

Re: [PATCH v2 02/12] mm: Introduce a function to check for virtualization protection features

On 8/14/21 1:32 PM, Borislav Petkov wrote: On Fri, Aug 13, 2021 at 11:59:21AM -0500, Tom Lendacky wrote: diff --git a/include/linux/protected_guest.h b/include/linux/protected_guest.h new file mode 100644 index ..43d4dde94793 --- /dev/null +++ b/include/linux/protected_guest.h @@ -0,

Re: [PATCH v2 03/12] x86/sev: Add an x86 version of prot_guest_has()

On Fri, Aug 13, 2021 at 11:59:22AM -0500, Tom Lendacky wrote: > diff --git a/arch/x86/include/asm/protected_guest.h > b/arch/x86/include/asm/protected_guest.h > new file mode 100644 > index ..51e4eefd9542 > --- /dev/null > +++ b/arch/x86/include/asm/protected_guest.h > @@ -0,0 +1,29 @@

[Bug 213391] AMDGPU retries page fault with some specific processes amdgpu and sometimes followed [gfxhub0] retry page fault until *ERROR* ring gfx timeout, but soft recovered

https://bugzilla.kernel.org/show_bug.cgi?id=213391 mcmar...@gmx.net changed: What|Removed |Added CC||mcmar...@gmx.net --- Comment #35 from