diff options
| author | Mukul Joshi <mukul.joshi@amd.com> | 2024-02-12 18:40:55 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-05-17 13:02:11 +0300 |
| commit | d644962423704441713be6669b9544beed5d4176 (patch) | |
| tree | c8a2e77198e9fc2b4560c40cbad4feeca50a7238 | |
| parent | 1ea068f5b69e88589cfc7a940f1e4aba5af57ea1 (diff) | |
| download | linux-d644962423704441713be6669b9544beed5d4176.tar.xz | |
drm/amdkfd: Check cgroup when returning DMABuf info
[ Upstream commit 9d7993a7ab9651afd5fb295a4992e511b2b727aa ]
Check cgroup permissions when returning DMA-buf info and
based on cgroup info return the GPU id of the GPU that have
access to the BO.
Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index c157721214e8..505a9078bc15 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -1516,7 +1516,7 @@ static int kfd_ioctl_get_dmabuf_info(struct file *filep, /* Find a KFD GPU device that supports the get_dmabuf_info query */ for (i = 0; kfd_topology_enum_kfd_devices(i, &dev) == 0; i++) - if (dev) + if (dev && !kfd_devcgroup_check_permission(dev)) break; if (!dev) return -EINVAL; @@ -1538,7 +1538,7 @@ static int kfd_ioctl_get_dmabuf_info(struct file *filep, if (xcp_id >= 0) args->gpu_id = dmabuf_adev->kfd.dev->nodes[xcp_id]->id; else - args->gpu_id = dmabuf_adev->kfd.dev->nodes[0]->id; + args->gpu_id = dev->id; args->flags = flags; /* Copy metadata buffer to user mode */ |