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 D6951C6FA82 for ; Thu, 22 Sep 2022 14:05:18 +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=2G8zi5rIyGabVKI/kGKz8iMNQtc4YgDTT7AWBuxqQFM=; b=24G/o+Xh1GenIt ZngOkDnpxuqEYMXxEc/OQM1JbxqeEMAjzlI8Mffro74Q+0mSOEUsMexCOzWrEwsak0uNaG3K4na2G yy0f6TL68Feww0YqWSwnVxTAJkb3zzxhLej9ugFh/QLfmIdUMKEQRgTZ79C1v9LrwIA5iNhAK3h7/ QEo8p1GQv/FDNlV6rCefS79jbAU80WuvUIbM654KtsJT3HJRsq7+pfOwjDl/IslQ0nGLEerCGlamH 3IcHIy1CP8AFm7+XCoYcTdD6L8IaOYTLr8fwX+IqK8r/efgc72wq60GB+6DqsqhtNZB/eqAppuR4P h4N11F9HNe0eYN6XKbJQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1obMoM-00FsAo-Np; Thu, 22 Sep 2022 14:04:18 +0000 Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1obMoK-00Fs9Z-Dq for linux-arm-kernel@lists.infradead.org; Thu, 22 Sep 2022 14:04:17 +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 ams.source.kernel.org (Postfix) with ESMTPS id 02A62B836D3; Thu, 22 Sep 2022 14:04:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 72489C433C1; Thu, 22 Sep 2022 14:04:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1663855453; bh=VgWUO4Ckjan3w0JYAK63vpjVgU/HRN09V887VEmZ824=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=hf7hYytrI3XkOXHq3SP1OR8h4PTC79Oy5j8QfIE5Oy/W4R9kcFue8GZgjuthalwv4 LY3LplmSIxs6jvir8GCkpTLWRUaGUXVT6EJ+dfpC4VOdbdcmDjLeS+w4CCKlL+JUPi 6dtUjNorb9JPS8xEZz0DdjI2E7Adh/7Nn5lEvRnLfmiIafKL8+lLmFc9BcQrWNRBAa Gmsazl2KSUEqoSoqvzG3cQ0SMV7nEMgUDQymMndHaM4hwpRIXiQiXVMJ7oW0WwVPFW VDn6kbPzXMAzoi9v2KThd+bcr1XRZmbwfUvEbOZLUv7ak5NdhPJw7wOV+rqhqCYw9a oo0ihb+N1NMQg== Date: Thu, 22 Sep 2022 15:04:07 +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: <20220922140406.GG12095@willie-the-truck> References: <20220901132658.1024635-1-james.clark@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220901132658.1024635-1-james.clark@arm.com> 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_070416_631154_BFE066D7 X-CRM114-Status: GOOD ( 14.50 ) 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 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, Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel