idr_init() uses base 0 which is an invalid identifier. The new function idr_init_base allows IDR to set the ID lookup from base 1. This avoids all lookups that otherwise starts from 0 since 0 is always unused. References: commit 6ce711f27500 ("idr: Make 1-based IDRs more efficient") Signed-off-by: Deepak R Varma <mh12gx2825@xxxxxxxxx> --- drivers/gpu/drm/amd/amdkfd/kfd_events.c | 2 +- drivers/gpu/drm/amd/amdkfd/kfd_process.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c index ba2c2ce0c55a..b3339b53c8ad 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c @@ -230,7 +230,7 @@ static int create_other_event(struct kfd_process *p, struct kfd_event *ev) void kfd_event_init_process(struct kfd_process *p) { mutex_init(&p->event_mutex); - idr_init(&p->event_idr); + idr_init_base(&p->event_idr, 1); p->signal_page = NULL; p->signal_event_count = 0; } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index 65803e153a22..022e61babe30 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -1289,7 +1289,7 @@ struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, list_add(&pdd->per_device_list, &p->per_device_data); /* Init idr used for memory handle translation */ - idr_init(&pdd->alloc_idr); + idr_init_base(&pdd->alloc_idr, 1); return pdd; -- 2.25.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel