Re: [PATCH 2/4] amdgpu: fix a race in kfd_mem_export_dmabuf()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Aug 21, 2024 at 8:29 PM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
>
> On Wed, Aug 14, 2024 at 06:15:46PM -0400, Felix Kuehling wrote:
> >
> > On 2024-08-12 02:59, Al Viro wrote:
> > > Using drm_gem_prime_handle_to_fd() to set dmabuf up and insert it into
> > > descriptor table, only to have it looked up by file descriptor and
> > > remove it from descriptor table is not just too convoluted - it's
> > > racy; another thread might have modified the descriptor table while
> > > we'd been going through that song and dance.
> > >
> > > Switch kfd_mem_export_dmabuf() to using drm_gem_prime_handle_to_dmabuf()
> > > and leave the descriptor table alone...
> > >
> > > Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> >
> > This patch is
> >
> > Reviewed-by: Felix Kuehling <felix.kuehling@xxxxxxx>
>
> Umm...  So which tree should that series go through?
>
> I can put it through vfs.git, or send a pull request to drm folks, or...
>
> Preferences?

I'm happy to take these via the amdgpu tree once the other patches get reviewed.

Alex





[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [NTFS 3]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [NTFS 3]     [Samba]     [Device Mapper]     [CEPH Development]

  Powered by Linux