[PATCH] drm/radeon: Catch reservation deadlock on same buffer with different handle v2

From: Jerome Glisse This patch print a warning message when trying to reserve same buffer twice in same cs ioctl (because the buffer is known by userspace under 2 different handle). It does not try to fix the issue like : https://patchwork.kernel.org/patch/1812991/ Just to

[PATCH] drm/radeon: Catch reservation deadlock on same buffer with different handle v2

From: Jerome Glisse jgli...@redhat.com This patch print a warning message when trying to reserve same buffer twice in same cs ioctl (because the buffer is known by userspace under 2 different handle). It does not try to fix the issue like : https://patchwork.kernel.org/patch/1812991/ Just to