linux-kernel - Re: [PATCH 00/10] drm: use idr_init_base() over idr

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Message-Id: <165901911294.5946.5075667196143577988.b4-ty@cerno.tech>
Date:   Thu, 28 Jul 2022 16:41:41 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     emma@...olt.net, daniel@...ll.ch, dakr@...hat.com,
        airlied@...ux.ie, christian.koenig@....com
Cc:     Maxime Ripard <maxime@...no.tech>, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH 00/10] drm: use idr_init_base() over idr_init() if applicable

On Fri, 1 Jul 2022 20:52:53 +0200, dakr@...hat.com wrote:
> From: Danilo Krummrich <dakr@...hat.com>
> 
> This patch series initializes IDRs with idr_init_base(&idr, 1) rather than
> idr_init(&idr) in case for the particular IDR no IDs < 1 are ever requested -
> this avoids unnecessary tree walks.
> 
> Danilo Krummrich (10):
>   drm/amdgpu: use idr_init_base() to initialize mgr->ctx_handles
>   drm/amdgpu: use idr_init_base() to initialize fpriv->bo_list_handles
>   drm: use idr_init_base() to initialize master->magic_map
>   drm: use idr_init_base() to initialize master->lessee_idr
>   drm: use idr_init_base() to initialize mode_config.object_idr
>   drm: use idr_init_base() to initialize mode_config.tile_idr
>   drm/sis: use idr_init_base() to initialize dev_priv->object_idr
>   drm/v3d: use idr_init_base() to initialize v3d_priv->perfmon.idr
>   drm/via: use idr_init_base() to initialize dev_priv->object_idr
>   drm/todo: remove task for idr_init_base()
> 
> [...]

Applied to drm/drm-misc (drm-misc-next).

Thanks!
Maxime