3 Commits

Author	SHA1	Message	Date
Philip Yang	d7eff46c21	drm/amdgpu: fix fdinfo race with process exit ... Get process vm root BO ref in case process is exiting and root BO is freed, to avoid NULL pointer dereference backtrace: BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 Call Trace: amdgpu_show_fdinfo+0xfe/0x2a0 [amdgpu] seq_show+0x12c/0x180 seq_read+0x153/0x410 vfs_read+0x91/0x140[ 3427.206183] ksys_read+0x4f/0xb0 do_syscall_64+0x5b/0x1a0 entry_SYSCALL_64_after_hwframe+0x65/0xca Signed-off-by: Philip Yang <Philip.Yang@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>	2021-08-31 14:20:40 -04:00
Nirmoy Das	391629bdfc	drm/amdgpu: remove amdgpu_vm_pt ... Page table entries are now in embedded in VM BO, so we do not need struct amdgpu_vm_pt. This patch replaces struct amdgpu_vm_pt with struct amdgpu_vm_bo_base. Signed-off-by: Nirmoy Das <nirmoy.das@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>	2021-06-15 17:25:42 -04:00
Roy Sun	8744425411	drm/amdgpu: Add show_fdinfo() interface ... Tracking devices, process info and fence info using /proc/pid/fdinfo Signed-off-by: David M Nieto <David.Nieto@amd.com> Signed-off-by: Roy Sun <Roy.Sun@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210426062701.39732-2-Roy.Sun@amd.com	2021-05-05 09:26:53 +02:00