search for: kuehl

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2020 Nov 12
2
[PATCH] drm/nouveau: Fix out-of-bounds access when deferencing MMU type
...om>; Gerd Hoffmann > ><kraxel at redhat.com>; Alex Deucher <alexander.deucher at amd.com>; > >VMware Graphics <linux-graphics-maintainer at vmware.com>; Roland > >Scheidegger <sroland at vmware.com>; Huang Rui <ray.huang at amd.com>; > >Felix Kuehling <Felix.Kuehling at amd.com>; Hawking Zhang > ><Hawking.Zhang at amd.com>; Jason Gunthorpe <jgg at ziepe.ca>; Likun Gao > ><Likun.Gao at amd.com>; virtualization at lists.linux-foundation.org; spice- > >devel at lists.freedesktop.org; amd-gfx at lists.fre...
2020 Nov 11
2
[PATCH] drm/nouveau: Fix out-of-bounds access when deferencing MMU type
...om>; Gerd Hoffmann >> <kraxel at redhat.com>; Alex Deucher <alexander.deucher at amd.com>; >> VMware Graphics <linux-graphics-maintainer at vmware.com>; Roland >> Scheidegger <sroland at vmware.com>; Huang Rui <ray.huang at amd.com>; >> Felix Kuehling <Felix.Kuehling at amd.com>; Hawking Zhang >> <Hawking.Zhang at amd.com>; Jason Gunthorpe <jgg at ziepe.ca>; Likun Gao >> <Likun.Gao at amd.com>; virtualization at lists.linux-foundation.org; spice- >> devel at lists.freedesktop.org; amd-gfx at lists.fre...
2019 Jul 31
1
[PATCH 02/13] amdgpu: don't initialize range->list in amdgpu_hmm_init_range
...I've seen code that uses list_empty to check whether a list head has been added to a list or not. For that to work, the list head needs to be initialized, and it has to be removed with list_del_init. If HMM doesn't ever do that with range->list, then this patch is Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com> > > Signed-off-by: Christoph Hellwig <hch at lst.de> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu...
2020 Nov 12
0
[PATCH] drm/nouveau: Fix out-of-bounds access when deferencing MMU type
...e Graphics <linux-graphics- >maintainer at vmware.com>; Gerd Hoffmann <kraxel at redhat.com>; spice- >devel at lists.freedesktop.org; Alex Deucher <alexander.deucher at amd.com>; >Dave Airlie <airlied at redhat.com>; Likun Gao <Likun.Gao at amd.com>; Felix >Kuehling <Felix.Kuehling at amd.com>; Hawking Zhang ><Hawking.Zhang at amd.com> >Subject: Re: [PATCH] drm/nouveau: Fix out-of-bounds access when >deferencing MMU type > >On Thu, 12 Nov 2020 at 02:27, Ruhl, Michael J <michael.j.ruhl at intel.com> >wrote: >> >&g...
2019 Aug 06
2
[PATCH 15/15] amdgpu: remove CONFIG_DRM_AMDGPU_USERPTR
On Tue, Aug 6, 2019 at 1:51 PM Kuehling, Felix <Felix.Kuehling at amd.com> wrote: > > On 2019-08-06 13:44, Jason Gunthorpe wrote: > > On Tue, Aug 06, 2019 at 07:05:53PM +0300, Christoph Hellwig wrote: > >> The option is just used to select HMM mirror support and has a very > >> confusing help text....
2020 Nov 10
3
[PATCH] drm/nouveau: Fix out-of-bounds access when deferencing MMU type
...gt; Cc: Alex Deucher <alexander.deucher at amd.com> Cc: "Christian K?nig" <christian.koenig at amd.com> Cc: VMware Graphics <linux-graphics-maintainer at vmware.com> Cc: Roland Scheidegger <sroland at vmware.com> Cc: Huang Rui <ray.huang at amd.com> Cc: Felix Kuehling <Felix.Kuehling at amd.com> Cc: Hawking Zhang <Hawking.Zhang at amd.com> Cc: Jason Gunthorpe <jgg at ziepe.ca> Cc: Likun Gao <Likun.Gao at amd.com> Cc: dri-devel at lists.freedesktop.org Cc: nouveau at lists.freedesktop.org Cc: virtualization at lists.linux-foundation.org...
2019 Oct 29
2
[PATCH v2 12/15] drm/amdgpu: Call find_vma under mmap_sem
...g <christian.koenig at amd.com> > Cc: David (ChunMing) Zhou <David1.Zhou at amd.com> > Cc: amd-gfx at lists.freedesktop.org > Signed-off-by: Jason Gunthorpe <jgg at mellanox.com> One question inline to confirm my understanding. Otherwise this patch is Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 37 ++++++++++++++----------- > 1 file changed, 21 insertions(+), 16 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c > index...
2020 Nov 11
0
[PATCH] drm/nouveau: Fix out-of-bounds access when deferencing MMU type
...;airlied at redhat.com>; Gerd Hoffmann ><kraxel at redhat.com>; Alex Deucher <alexander.deucher at amd.com>; >VMware Graphics <linux-graphics-maintainer at vmware.com>; Roland >Scheidegger <sroland at vmware.com>; Huang Rui <ray.huang at amd.com>; >Felix Kuehling <Felix.Kuehling at amd.com>; Hawking Zhang ><Hawking.Zhang at amd.com>; Jason Gunthorpe <jgg at ziepe.ca>; Likun Gao ><Likun.Gao at amd.com>; virtualization at lists.linux-foundation.org; spice- >devel at lists.freedesktop.org; amd-gfx at lists.freedesktop.org &g...
2020 May 02
1
[PATCH hmm v2 5/5] mm/hmm: remove the customizable pfn format from hmm_range_fault
...ap() > nvkm_vmm_ptes_get_map() > func == gp100_vmm_pgt_pfn > struct nvkm_vmm_desc_func gp100_vmm_desc_spt: > .pfn = gp100_vmm_pgt_pfn > nvkm_vmm_iter() > REF_PTES == func == gp100_vmm_pgt_pfn() > dma_map_page() > > Acked-by: Felix Kuehling <Felix.Kuehling at amd.com> > Tested-by: Ralph Campbell <rcampbell at nvidia.com> > Signed-off-by: Jason Gunthorpe <jgg at mellanox.com> > Signed-off-by: Christoph Hellwig <hch at lst.de> > --- > Documentation/vm/hmm.rst | 26 ++-- > d...
2019 Aug 07
1
[PATCH 15/15] amdgpu: remove CONFIG_DRM_AMDGPU_USERPTR
Am 06.08.19 um 22:03 schrieb Jason Gunthorpe: > On Tue, Aug 06, 2019 at 02:58:58PM -0400, Alex Deucher wrote: >> On Tue, Aug 6, 2019 at 1:51 PM Kuehling, Felix <Felix.Kuehling at amd.com> wrote: >>> On 2019-08-06 13:44, Jason Gunthorpe wrote: >>>> On Tue, Aug 06, 2019 at 07:05:53PM +0300, Christoph Hellwig wrote: >>>>> The option is just used to select HMM mirror support and has a very >>>>&g...
2020 Nov 10
0
[PATCH] drm/nouveau: Fix out-of-bounds access when deferencing MMU type
...;airlied at redhat.com>; Gerd Hoffmann ><kraxel at redhat.com>; Alex Deucher <alexander.deucher at amd.com>; >VMware Graphics <linux-graphics-maintainer at vmware.com>; Roland >Scheidegger <sroland at vmware.com>; Huang Rui <ray.huang at amd.com>; >Felix Kuehling <Felix.Kuehling at amd.com>; Hawking Zhang ><Hawking.Zhang at amd.com>; Jason Gunthorpe <jgg at ziepe.ca>; Likun Gao ><Likun.Gao at amd.com>; virtualization at lists.linux-foundation.org; spice- >devel at lists.freedesktop.org; amd-gfx at lists.freedesktop.org &g...
2019 Jul 22
2
[PATCH 1/6] mm: always return EBUSY for invalid ranges in hmm_range_{fault, snapshot}
...plicates the code due to the special handling of > EAGAIN that drops the mmap_sem due to the FAULT_FLAG_ALLOW_RETRY logic > in the core vm. > > Signed-off-by: Christoph Hellwig <hch at lst.de> > Reviewed-by: Ralph Campbell <rcampbell at nvidia.com> > Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com> > --- > Documentation/vm/hmm.rst | 2 +- > mm/hmm.c | 10 ++++------ > 2 files changed, 5 insertions(+), 7 deletions(-) > > diff --git a/Documentation/vm/hmm.rst b/Documentation/vm/hmm.rst > index 7d90964abbb0..710ce1c701bf...
2020 May 01
13
[PATCH hmm v2 0/5] Adjust hmm_range_fault() API
...?me Glisse <jglisse at redhat.com> Cc: Ben Skeggs <bskeggs at redhat.com> To: Ralph Campbell <rcampbell at nvidia.com> Cc: nouveau at lists.freedesktop.org Cc: Niranjana Vishwanathapura <niranjana.vishwanathapura at intel.com> Cc: intel-gfx at lists.freedesktop.org Cc: "Kuehling, Felix" <Felix.Kuehling at amd.com> Cc: Alex Deucher <alexander.deucher at amd.com> Cc: "Christian K?nig" <christian.koenig at amd.com> Cc: "David (ChunMing) Zhou" <David1.Zhou at amd.com> Cc: amd-gfx at lists.freedesktop.org Cc: dri-devel at list...
2019 Jul 03
0
[PATCH 2/5] mm: always return EBUSY for invalid ranges in hmm_range_{fault, snapshot}
...In addition this really complicates the code due to the special handling of EAGAIN that drops the mmap_sem due to the FAULT_FLAG_ALLOW_RETRY logic in the core vm. Signed-off-by: Christoph Hellwig <hch at lst.de> Reviewed-by: Ralph Campbell <rcampbell at nvidia.com> Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com> --- Documentation/vm/hmm.rst | 2 +- mm/hmm.c | 10 ++++------ 2 files changed, 5 insertions(+), 7 deletions(-) diff --git a/Documentation/vm/hmm.rst b/Documentation/vm/hmm.rst index 7d90964abbb0..710ce1c701bf 100644 --- a/Documentation/vm/hmm...
2019 Jul 03
0
[PATCH 1/6] mm: always return EBUSY for invalid ranges in hmm_range_{fault, snapshot}
...In addition this really complicates the code due to the special handling of EAGAIN that drops the mmap_sem due to the FAULT_FLAG_ALLOW_RETRY logic in the core vm. Signed-off-by: Christoph Hellwig <hch at lst.de> Reviewed-by: Ralph Campbell <rcampbell at nvidia.com> Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com> --- Documentation/vm/hmm.rst | 2 +- mm/hmm.c | 10 ++++------ 2 files changed, 5 insertions(+), 7 deletions(-) diff --git a/Documentation/vm/hmm.rst b/Documentation/vm/hmm.rst index 7d90964abbb0..710ce1c701bf 100644 --- a/Documentation/vm/hmm...
2019 Jul 22
0
[PATCH 1/6] mm: always return EBUSY for invalid ranges in hmm_range_{fault, snapshot}
...In addition this really complicates the code due to the special handling of EAGAIN that drops the mmap_sem due to the FAULT_FLAG_ALLOW_RETRY logic in the core vm. Signed-off-by: Christoph Hellwig <hch at lst.de> Reviewed-by: Ralph Campbell <rcampbell at nvidia.com> Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com> --- Documentation/vm/hmm.rst | 2 +- mm/hmm.c | 10 ++++------ 2 files changed, 5 insertions(+), 7 deletions(-) diff --git a/Documentation/vm/hmm.rst b/Documentation/vm/hmm.rst index 7d90964abbb0..710ce1c701bf 100644 --- a/Documentation/vm/hmm...
2019 Aug 06
0
[PATCH 15/15] amdgpu: remove CONFIG_DRM_AMDGPU_USERPTR
On Tue, Aug 06, 2019 at 02:58:58PM -0400, Alex Deucher wrote: > On Tue, Aug 6, 2019 at 1:51 PM Kuehling, Felix <Felix.Kuehling at amd.com> wrote: > > > > On 2019-08-06 13:44, Jason Gunthorpe wrote: > > > On Tue, Aug 06, 2019 at 07:05:53PM +0300, Christoph Hellwig wrote: > > >> The option is just used to select HMM mirror support and has a very > > >&...
2020 May 01
0
[PATCH hmm v2 1/5] mm/hmm: make CONFIG_DEVICE_PRIVATE into a select
...ould be selected by drivers that are going to use the feature, similar to how CONFIG_HMM_MIRROR works. Currently all drivers provide a feature kconfig that will disable use of DEVICE_PRIVATE in that driver, allowing users to avoid enabling this if they don't want the overhead. Acked-by: Felix Kuehling <Felix.Kuehling at amd.com> Reviewed-by: Christoph Hellwig <hch at lst.de> Signed-off-by: Jason Gunthorpe <jgg at mellanox.com> --- arch/powerpc/Kconfig | 2 +- drivers/gpu/drm/nouveau/Kconfig | 2 +- mm/Kconfig | 7 +------ 3 files changed, 3 i...
2008 Apr 29
2
[PATCH] cpu support for VIA and Transmeta processors
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2020 May 01
0
[PATCH hmm v2 4/5] mm/hmm: remove HMM_PFN_SPECIAL
From: Jason Gunthorpe <jgg at mellanox.com> This is just an alias for HMM_PFN_ERROR, nothing cares that the error was because of a special page vs any other error case. Acked-by: Felix Kuehling <Felix.Kuehling at amd.com> Reviewed-by: Christoph Hellwig <hch at lst.de> Signed-off-by: Jason Gunthorpe <jgg at mellanox.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 1 - drivers/gpu/drm/nouveau/nouveau_svm.c | 1 - include/linux/hmm.h | 8 -------...