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 B646EC05027 for ; Thu, 9 Feb 2023 02:49:30 +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:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=7kbl3vXP8Qi073l0dx9OCF1TX4bMapqQoCzdDaCykq8=; b=tn5SF1l0KSDY90 Ms3/N5bzJerL+SAgJwQWRdlPo09yT1iFghRVziZp2TNblYUH298QoqFIiYxoHAfvzji0mlqGt4083 buBbcBtFYCMl1+QjtxjWCpOqLawKVHD8ZlTBdXp1Qag9OLplcL0rWf/jf87HS7SHgS6e4cA3l/PBK UmNrVtGz1cUI/XMEv9D0jvYVG9pEq9+U7FKH5rWgOYpP/fIsAc77alPKDRHQ3n5xN9GC6f6fRpWwU r3HlhTCj1zhHcHUimP8eiULqaeGfkDlfD6zpFH8QWfDKxskFHkmqjo8mbVy5SGF8VECEC397SVZp7 uyRWO62mA3vuersr2JdA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pPwz9-00HXPI-Sc; Thu, 09 Feb 2023 02:48:31 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pPwz5-00HXOC-VN for linux-arm-kernel@lists.infradead.org; Thu, 09 Feb 2023 02:48:29 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 304C7150C; Wed, 8 Feb 2023 18:49:03 -0800 (PST) Received: from [10.162.40.17] (unknown [10.162.40.17]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 2291C3F71E; Wed, 8 Feb 2023 18:48:14 -0800 (PST) Message-ID: <6fd66a78-6c18-3b61-483b-0e821082aaac@arm.com> Date: Thu, 9 Feb 2023 08:18:11 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.2.2 Subject: Re: [PATCH V8 5/6] arm64/perf: Add branch stack support in ARMV8 PMU Content-Language: en-US To: Mark Rutland Cc: Will Deacon , kernel test robot , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, catalin.marinas@arm.com, llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Mark Brown , James Clark , Rob Herring , Marc Zyngier , Suzuki Poulose , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , linux-perf-users@vger.kernel.org References: <20230123125956.1350336-6-anshuman.khandual@arm.com> <202301310047.b5iv9hM8-lkp@intel.com> <20230203113153.GA5927@willie-the-truck> <143549b7-6f16-209f-b1be-c8202fd55d05@arm.com> From: Anshuman Khandual In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230208_184828_107586_4362FA0A X-CRM114-Status: GOOD ( 16.18 ) 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 2/9/23 01:36, Mark Rutland wrote: > On Mon, Feb 06, 2023 at 09:46:25AM +0530, Anshuman Khandual wrote: >> On 2/3/23 17:01, Will Deacon wrote: >>> On Tue, Jan 31, 2023 at 12:28:17AM +0800, kernel test robot wrote: > > [...] > >>> This looks like it should be fixed. I'd also like to see Mark's ack on the >> >> This build warning is triggered when CONFIG_PERF_EVENTS is not enabled, when >> all the fallback stubs in there try to use has_branch_stack() which does not >> get defined. The following change, fixes the problem. > > I expect that you'll post a v9 with that folded in, and I've just made some > comments on v7 which I expect will require some changes, so I'm going to wait > for v9 for further review to keep this manageable. Sure, will work on a V9 and post when ready. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel