From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from elvis.franken.de (elvis.franken.de [193.175.24.41]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 21424143892; Thu, 18 Jul 2024 17:29:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.175.24.41 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721323749; cv=none; b=d+aOluT3VUBC338L1HuEZ71TP1sH/qsNYaZ1YyJTSmLT9e2e3f1wFe56eXU70Z4hnwKyMegjRr8P/5LaqP/xsqUy2HajP6J6IoLgyB5XppNAgLRwl+JyHAoh7l4c3xwKA6znU4bdcs+UfjvSPtG3PRiGd2CUmIkmr8ileQQxzeQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721323749; c=relaxed/simple; bh=oB0oDoQHMm/TA7ycU7tDmprI6NQJrAYoQxiym6/rdSg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=n9Xjeiz7rASO6SzRWX+G3Y7TZzn667qTCzDlxZPbMaANvBMlZp8wCbuOKod7Hw3amUoZ57cB3S2IdwbzxbdZRRsCvIIYlilqTIhiqyDoK+hYxbdg1M80DCPGKGP/UeIoJCIZEa+ea3jzzuwbKrSBwblFcoWrxerPLhIh5B5Qw4o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=alpha.franken.de; spf=pass smtp.mailfrom=alpha.franken.de; arc=none smtp.client-ip=193.175.24.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=alpha.franken.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=alpha.franken.de Received: from uucp by elvis.franken.de with local-rmail (Exim 3.36 #1) id 1sUUvy-0006QO-00; Thu, 18 Jul 2024 19:28:50 +0200 Received: by alpha.franken.de (Postfix, from userid 1000) id ABB43C014D; Thu, 18 Jul 2024 19:28:38 +0200 (CEST) Date: Thu, 18 Jul 2024 19:28:38 +0200 From: Thomas Bogendoerfer To: Jiaxun Yang Cc: Huacai Chen , "linux-mips@vger.kernel.org" , linux-kernel@vger.kernel.org Subject: Re: [PATCH] MIPS: Loongson64: Switch to SYNC_R4K Message-ID: References: <20240714-loongson64-cevt-r4k-v1-1-98afed7260aa@flygoat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Thu, Jul 18, 2024 at 03:34:30PM +0800, Jiaxun Yang wrote: > > > 在2024年7月14日七月 上午10:41,Jiaxun Yang写道: > > Nowadays SYNC_R4K is performing better than Loongson64's > > custom sync mechanism. > > > > Switch to SYNC_R4K to improve performance and reduce code > > duplication. > > > > Signed-off-by: Jiaxun Yang > > --- > > Last minute for 6.11 :-) > > Hi Thomas, > > Could you please apply this to 6.11 PR, or 6.11 fixes? > > This is technically a left over of previous clock source series, and it does help > on preventing random RCU stall for multi-node Loongson-3 systems. if Huacai is ok with it, I'll add it to a second PR for 6.11. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]