From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D04BEC38145 for ; Fri, 2 Sep 2022 13:19:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=vtdA9WjSspBqkDj7/ukqgoMP9yZVuKrH5QJFHjnPVNA=; b=QgYz7irV63odv+ GQJAKQdBlI9msY1TlTfgFJJTVKl3qdKhKYNlQQtmQwCLU70gRY5ZIPcXNLY0XQepBh+lBB5XmTPlz +MUBfX/Q9EFYxVKQGvUUTQ8XbWnYUl9381VD8lertNI/kVQE2xRTI+3spTCJHEOo+5YOPt2ouxBZU ycO8aho9XdAh7CUhoSo1GaX4xDkigjDBzdDNgDuAsYT0lwbcz1vRbDv7tE2a3r7nNQ1JQ/uMqabfZ 0fF25P9670BHcY4iMG/Lnx0rVa6mxp8LJ049Pl1gi2PxEDpuNm4ZgN9Ol9hwcwYPZGV+Vqhy333yX UGmAAwpxRbMhZMLLnUyQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oU6Zf-0051VJ-V9; Fri, 02 Sep 2022 13:19:07 +0000 Received: from ams.source.kernel.org ([145.40.68.75]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oU6Zd-0051TO-NC; Fri, 02 Sep 2022 13:19:07 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id A123CB82AA0; Fri, 2 Sep 2022 13:19:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7AF7EC433D6; Fri, 2 Sep 2022 13:18:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1662124742; bh=jWqEiknW8RwuhPMRa9jUaXySZbEvtLL9Yky5wfGrb2k=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CgrtUwKx+JuYZ38FAteb2DXrh+F0UcLIBdeuhxvNzY5928n8PaIpn3q77LQr4qCHL ufuqPYJNK9IxEECrIo0oKB6t1lyEmwqfhyB4eDr5bn+es+0oJke7lZFF1ZXH3DxMyY eR7T4NUy7Lv9wastzberTfJtkNnCLDlUd29Z/inInUQL3oml7lkiiBaipHfRjBqYoB YFHOafnNmeDDW9Ef91fmX+d6UrPVV/IHWmE1zYbSzyjALYyGa97QhOaK5g02MlA7y5 nd14HhDgvbWcRNQAhT0iHCoQj5xW5IeqcEyqAR27avB13lk8S5QgWQ21yVWlvnIQMV HDrED6OjVQgew== Date: Fri, 2 Sep 2022 21:09:45 +0800 From: Jisheng Zhang To: Conor.Dooley@microchip.com Cc: paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, anup@brainfault.org, atishp@atishpatra.org, bigeasy@linutronix.de, tglx@linutronix.de, rostedt@goodmis.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org Subject: Re: [PATCH v2 0/5] riscv: add PREEMPT_RT support Message-ID: References: <20220831175920.2806-1-jszhang@kernel.org> <4488b1ec-aa34-4be5-3b9b-c65f052f5270@microchip.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <4488b1ec-aa34-4be5-3b9b-c65f052f5270@microchip.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220902_061905_919762_69FBBA6F X-CRM114-Status: GOOD ( 18.43 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Thu, Sep 01, 2022 at 04:41:52PM +0000, Conor.Dooley@microchip.com wrote: > On 31/08/2022 18:59, Jisheng Zhang wrote: > > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > > > This series is to add PREEMPT_RT support to riscv: > > patch1 adds the missing number of signal exits in vCPU stat > > patch2 switches to the generic guest entry infrastructure > > patch3 select HAVE_POSIX_CPU_TIMERS_TASK_WORK which is a requirement for > > RT > > patch4 adds lazy preempt support > > patch5 allows to enable PREEMPT_RT > > > > What version of the preempt_rt patch did you test this with? v6.0-rc1 + v6.0-rc1-rt patch > > Maybe I am missing something, but I gave this a whirl with > v6.0-rc3 + v6.0-rc3-rt5 & was meant by a bunch of complaints. > I am not familiar with the preempt_rt patch, so I am not sure what > level of BUG()s or WARNING()s are to be expected, but I saw a fair > few... Could you please provide corresponding log? Usually, this means there's a bug in related drivers, so it's better to fix them now rather than wait for RT patches mainlined. PS: which HW are you using? Thanks _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv