From: Thomas Hellstrom <thellstrom@vmware.com>
To: airlied@redhat.com
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: [PATCH 0/2] Introduce kref_sub
Date: Tue, 16 Nov 2010 15:21:06 +0100 [thread overview]
Message-ID: <1289917268-4922-1-git-send-email-thellstrom@vmware.com> (raw)
Adding a function in order to be able to optimize away a number of locked
bus cycles. Callers might for whatever reason want to accumulate unreferences
in certain code paths (rcu grace periods, atomic regions ...). This makes
it possible to perform the batched unreference more efficiently.
If accepted, I'd prefer patch 1 goes through Dave's DRM tree.
next reply other threads:[~2010-11-16 14:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-16 14:21 Thomas Hellstrom [this message]
2010-11-16 14:21 ` [PATCH 1/2] kref: Add a kref_sub function Thomas Hellstrom
2010-11-16 14:21 ` [PATCH 2/2] drm/ttm: Use kref_sub instead of repeatedly calling kref_put Thomas Hellstrom
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