Messages in this thread Patch in this message | | | From | dakr@redhat ... | Subject | [PATCH 04/10] drm: use idr_init_base() to initialize master->lessee_idr | Date | Fri, 1 Jul 2022 20:52:57 +0200 |
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From: Danilo Krummrich <dakr@redhat.com>
idr_init_base(), implemented by commit 6ce711f27500 ("idr: Make 1-based IDRs more efficient"), let us set an arbitrary base other than idr_init(), which uses base 0.
Since, for this IDR, no ID < 1 is ever requested/allocated, using idr_init_base(&idr, 1) avoids unnecessary tree walks.
Signed-off-by: Danilo Krummrich <dakr@redhat.com> --- drivers/gpu/drm/drm_auth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c index 63395bebaa6b..cf92a9ae8034 100644 --- a/drivers/gpu/drm/drm_auth.c +++ b/drivers/gpu/drm/drm_auth.c @@ -147,7 +147,7 @@ struct drm_master *drm_master_create(struct drm_device *dev) INIT_LIST_HEAD(&master->lessees); INIT_LIST_HEAD(&master->lessee_list); idr_init(&master->leases); - idr_init(&master->lessee_idr); + idr_init_base(&master->lessee_idr, 1); return master; } -- 2.36.1
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