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[23.128.96.18]) by mx.google.com with ESMTP id i11si5931135ilb.173.2021.09.10.11.07.21; Fri, 10 Sep 2021 11:07:33 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b="aZj3p9/A"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229664AbhIJSHv (ORCPT + 99 others); Fri, 10 Sep 2021 14:07:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:42896 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229451AbhIJSHu (ORCPT ); Fri, 10 Sep 2021 14:07:50 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8E7D76113A; Fri, 10 Sep 2021 18:06:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1631297199; bh=y7gzzPXHMkryt9e4+4AKiJdOsSmuXw9tQqMcv44sZO4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=aZj3p9/AxT/C6MApqRK4nHQPKulw+LKH3LIemaam4nAojJ/zOqveJ//NsqBebMhHN B0vcjKK9OjuJkxOXGolJHy4oNDJjy9AvUMMxYTcZhhY5+3WPkQrosvJrcptfXY6ROF VFaSHruncpG+fCj2A0R9TFE/uEvx7o4d4b4ASo9ph/p7PzghQ6svl3Om8wDUgYx++o mUVD/47AuKw5cQhIKWU2UDLj6CisPbkVGKU5h/+wGixpHiyIiHQRkq9hY+EnPdreQz jmUYZPjsbHvDydbHG1wqJz+2xfIRY+X/om4Olq+XFymwHE227GrsCVaZ+1wSI+sH5n 5po5YKvlxfd0g== Date: Fri, 10 Sep 2021 19:06:01 +0100 From: Mark Brown To: Maarten Lankhorst Cc: Peter Zijlstra , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Ingo Molnar , Will Deacon , Waiman Long , Boqun Feng , Liam Girdwood , linux-kernel@vger.kernel.org, Daniel Vetter Subject: Re: [PATCH v2] kernel/locking: Add context to ww_mutex_trylock. Message-ID: <20210910180601.GH4474@sirena.org.uk> References: <20210907132044.157225-1-maarten.lankhorst@linux.intel.com> <96ab9cf1-250a-8f34-51ec-4a7f66a87b39@linux.intel.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="U3BNvdZEnlJXqmh+" Content-Disposition: inline In-Reply-To: X-Cookie: You are standing on my toes. User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --U3BNvdZEnlJXqmh+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Sep 09, 2021 at 11:32:18AM +0200, Maarten Lankhorst wrote: > This is also useful in regulator_lock_nested, which may avoid dropping > regulator_nesting_mutex in the uncontended path, so use it there. 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