Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755160AbbBTQGf (ORCPT ); Fri, 20 Feb 2015 11:06:35 -0500 Received: from mga09.intel.com ([134.134.136.24]:17587 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755137AbbBTQGd (ORCPT ); Fri, 20 Feb 2015 11:06:33 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,615,1418112000"; d="scan'208";a="654870600" From: Andi Kleen To: Daniel Wagner Cc: Jeff Layton , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, John Kacur , Alexander Viro , "J. Bruce Fields" Subject: Re: [RFC v1 0/5] fs/locks: Use plain percpu spinlocks instead of lglock to protect file_lock References: <1424443195-18676-1-git-send-email-daniel.wagner@bmw-carit.de> Date: Fri, 20 Feb 2015 08:05:52 -0800 In-Reply-To: <1424443195-18676-1-git-send-email-daniel.wagner@bmw-carit.de> (Daniel Wagner's message of "Fri, 20 Feb 2015 15:39:50 +0100") Message-ID: <87vbiwwotb.fsf@tassilo.jf.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 560 Lines: 16 Daniel Wagner writes: > > I am looking at how to get rid of lglock. Reason being -rt is not too > happy with that lock, especially that it uses arch_spinlock_t and AFAIK it could just use normal spinlock. Have you tried that? -Andi -- ak@linux.intel.com -- Speaking for myself only -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/