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 DA820EB64DC for ; Fri, 21 Jul 2023 15:14:19 +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-Type: Content-Transfer-Encoding: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=01rdor0sUMKPQ40Wp/PQdJwva0aJS2cKoNLbFYjZtAY=; b=ybzBdChcxyIjnCQm4cQu4bTwr/ KsurGr3BKQQkxuHH9miJPbIWrVgcMba5xLeXBnwVv7nCXutLK8K8ICQo9Tv4LPGzUfiLg5V6eF1qp 1NaVVsywLZxL0+R799vzA8YU2rUvE0cpYabhTGiZiVlEFgO2Ls5ci76LXLU/1m5vMK5QMVfub8IIq S3EjL6MEm4j/uldve7cdPmh7fRHx4kcrhMZENWrU/cX+I5XoUATtr02S4l+OaBWVr/YgmdTOHYNF/ gxXEeXnWR0RIFni/+DLvmRotRWc/bcH7Hf75yP5rTcy3rXRg9qDjMu6wvcUInGPfeQNk8Ur11SZ+U hHAT6AvA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qMrpU-00EP5c-0s; Fri, 21 Jul 2023 15:14:04 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qMrpQ-00EP4f-2W for linux-arm-kernel@lists.infradead.org; Fri, 21 Jul 2023 15:14:02 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3F1E961CE8; Fri, 21 Jul 2023 15:14:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D02E1C433CB; Fri, 21 Jul 2023 15:13:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689952439; bh=YwIOYtjQQopxqVMGwCdqHddpY/KN/9YTvyayY+0BD+o=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=VQfnyRYr4kKWHYGElr6wSyLotg6sRZVYAkK0I0g0P2DMhZLfXuWgmSoPAyFcvoGTP GDnUx36TIC1Qk4W8U8EqE1wpbYlzi7sarJWz7X2A+kxTqIdXLyWSZypoW7syHyERN1 4UaaGhrBAOq6mH6H92vZrEOscjX+ytF3wgYfDYphZ0jPryd6ZB1PElESLAmWlxyfNd hX2H+7u6iJ/GnptmNJ5pfOklROZeROVZ5X0EfbmtDCvHjnnWi9kTcMuXPf+Ey0YBDw 29batj/P5YdkKkhZJeUqnt7s8cJnJf1VpOxpXbLDvY/e0AMTA8dWb19O/Zp2yUApI8 XUZA7I+pCsSUw== Date: Fri, 21 Jul 2023 11:13:57 -0400 From: Sasha Levin To: Mark Rutland Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Junhao He , Jonathan Cameron , Yicong Yang , Will Deacon , zhangshaokun@hisilicon.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH AUTOSEL 6.4 11/12] drivers/perf: hisi: Add support for HiSilicon H60PA and PAv3 PMU driver Message-ID: References: <20230702195057.1787686-1-sashal@kernel.org> <20230702195057.1787686-11-sashal@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230721_081400_857312_2C7882C4 X-CRM114-Status: GOOD ( 16.77 ) 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-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jul 03, 2023 at 11:14:37AM +0100, Mark Rutland wrote: >On Sun, Jul 02, 2023 at 03:50:56PM -0400, Sasha Levin wrote: >> From: Junhao He >> >> [ Upstream commit 1a51688474c0d395b864e98236335fba712e29bf ] >> >> Compared to the original PA device, H60PA offers higher bandwidth. >> The H60PA is a new device and we use HID to differentiate them. >> >> The events supported by PAv3 and PAv2 are different. The PAv3 PMU >> removed some events which are supported by PAv2 PMU. The older PA >> PMU driver will probe v3 as v2. Therefore PA events displayed by >> "perf list" cannot work properly. We add the HISI0275 HID for PAv3 >> PMU to distinguish different. >> >> For each H60PA PMU, except for the overflow interrupt register, other >> functions of the H60PA PMU are the same as the original PA PMU module. >> It has 8-programable counters and each counter is free-running. >> Interrupt is supported to handle counter (64-bits) overflow. >> >> Signed-off-by: Junhao He >> Reviewed-by: Jonathan Cameron >> Reviewed-by: Yicong Yang >> Acked-by: Mark Rutland >> Link: https://lore.kernel.org/r/20230615125926.29832-2-hejunhao3@huawei.com >> Signed-off-by: Will Deacon >> Signed-off-by: Sasha Levin >> --- >> drivers/perf/hisilicon/hisi_uncore_pa_pmu.c | 127 +++++++++++++++++--- >> drivers/perf/hisilicon/hisi_uncore_pmu.h | 8 ++ >> 2 files changed, 120 insertions(+), 15 deletions(-) > >Why is this being backported to stable? > >This patch adds supoprt for new HW, and is clearly not a fix, so it's not clear >to me why it has been selected. I'll drop it, thanks. -- Thanks, Sasha _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel