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 F3197ECAAD8 for ; Thu, 22 Sep 2022 20:58:16 +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=UZtKPpyAT6hCNuBJFwdwEdI44RX0drz6U+WH6+SYD/M=; b=GzrB8jYprCjEzG nqBQ+YSuvA2VvKzxX7WTi9nMnP9kbIUKDFfX15LEVfv4/CQHtsIMEvCPKS83YjGG2uOWfDPzxLYxJ R8qcG4iOmgNFfZz9HFa3BOdyP6SmsifX8XaAFbKd/33HgmTaISUHDPDgeVwNVV6sDnnrkmNRBsW8I Eflmx/L2MZn2nTorzADVO6fC8z8WWmp5KvUPxllDVg/W0rsVGtmOXZUyaPqYbBU1H/8TND6YeNXEL tecMXXRTBujHhULAiPyRvQoRzeI+mn8Ekw0j/wcIEBgv552/kvwYJDEVbg9jE7qn5+/TNHTXvnVdR Xyo6PW9h1xp5vKIzNXsQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1obTG2-000DAx-7h; Thu, 22 Sep 2022 20:57:18 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1obTFz-000D9i-Jb for linux-arm-kernel@lists.infradead.org; Thu, 22 Sep 2022 20:57:17 +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 dfw.source.kernel.org (Postfix) with ESMTPS id CB5DB60ED1; Thu, 22 Sep 2022 20:57:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E6EF7C433D6; Thu, 22 Sep 2022 20:57:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1663880234; bh=JB3NDJEV/v85Ow5DEPOCDDWd8yYDXhteqm8hggXtLjw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ip9U3VRghsga/8UYTkwEoAVDxTnoiqrGLKjXLviuuQdWr6amJkSJ3Dy4pPlTtyK4n G0ST06gN3wXWlp4tweScZbxgAbWC1168z0cTLPlBTowYMNTgmgXGs4vkBIB+4OYPJD LCaztbwWkdv6V770fSPwsVAtgdBBMRkF6JhJcWhbiaGmvepzKWfMelp5oxSJtTsNhk poXdiRO/rmwFc3mWJjTXqMzwooKo5N1dwqInrPPHnpABu2t3s9vl1VWeXcVdNpcPlh And0lwmev0+nvtK5HJamjSRsMzlyuI4TAvnM0TPnO25VGgJBKcpLDmgsafbGa7yvlj 33a75XLO85+0w== Date: Thu, 22 Sep 2022 21:57:08 +0100 From: Will Deacon To: James Clark Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, broonie@kernel.org, acme@kernel.org, leo.yan@linaro.org, john.garry@huawei.com, catalin.marinas@arm.com, Jonathan Corbet , Mark Rutland , linux-doc@vger.kernel.org Subject: Re: [PATCH v3 0/2] perf: arm64: Kernel support for Dwarf unwinding through SVE functions Message-ID: <20220922205707.GB12945@willie-the-truck> References: <20220901132658.1024635-1-james.clark@arm.com> <20220922140406.GG12095@willie-the-truck> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220922_135715_713308_1577467D X-CRM114-Status: GOOD ( 21.02 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Sep 22, 2022 at 03:31:20PM +0100, James Clark wrote: > > > On 22/09/2022 15:04, Will Deacon wrote: > > On Thu, Sep 01, 2022 at 02:26:56PM +0100, James Clark wrote: > >> I'm resubmitting this with a few of the changes suggested by Will on V2. > >> > >> I haven't made any changes regarding the open questions about the > >> discoverability or saving the new reg and passing to output_sample() > >> because I think it's best to be consistent with the implementations on > >> other platforms first. I have explained in more detail on v2 [1]. > >> > >> [1]: https://lore.kernel.org/lkml/5fcf1a6f-c8fb-c296-992e-18aae8874095@arm.com/ > > > > Fair enough, I can't argue against being consistent. > > > > Given that this exposes subtle new user ABI, do we have any coverage in > > the selftests? If not, please could you add something? > > > > Thanks, I will do that. I assume you mean the self tests in > tools/perf/tests and not some non Perf tests? I hadn't thought much about it, so wherever is best. It would just be nice to have something we can run to make sure that this continues to work as intended. Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel