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 EED63D44D54 for ; Wed, 6 Nov 2024 12:49:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=cJYaxVvTUp9QvP3mUi1s6iCQPXwGbNw44HtbRG8OP4k=; b=IQwKrTVjs9R0u3GuduGKhs334M f3NzRxI947PMeru0TTaPg4HctX5ZX4Ab0v6AjYaSrJ3xga5hTwGAdGrWedY+vZ8rZCVa9B6Gu+m3Z x+CLaWLdJlOmyfZmMflSHJFOVbyjOwl0CB9KAnzaSt87jC8mp1KVAeURAxqwgVTvI5NCgJfWh7+/E 6Kh6IISzxam59MpRtK/tXSZJnbKxBapk+19aGAmL3xzaw6UVFBxM/xwOzDAAXmM3aogvq7/TbURV/ GBO9hYVER1+cyjldc5AzrTHo18TNEcg+T5PrFHAE0y+4Bfvaz/WGc3AI5o7wgVZ+ucrRjwOYx9miD qxVuPQ7w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t8fTk-00000003J34-1ztB; Wed, 06 Nov 2024 12:49:44 +0000 Received: from nyc.source.kernel.org ([147.75.193.91]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t8eZZ-000000030Ef-2GBW for linux-arm-kernel@lists.infradead.org; Wed, 06 Nov 2024 11:51:42 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id CEE66A436E6; Wed, 6 Nov 2024 11:49:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C9B27C4CED3; Wed, 6 Nov 2024 11:51:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730893900; bh=0Y28HCcI5SsbTl2P3ZoSMyrKbW818FEhWcOl+EEwvd4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qdYL48MLsOY8OhDphEjsHL9uUMHb9RbJqXpI0Pz+Dk6FjrZxGOYaJvd6n5GDmV/8h rJRA8A+nGRr2rzQtOT7I/k1UMe/V4Bp4qKATP3v48fyeLUkC+bBLC1qBRxH9fZmSEH QA1McZSfO3fXEQCXCObaSCFldigA7BRuKuVPcqnDlREb5Xvciu2jGm0L5yTfra9Bgh LajyLtEkCnNR7a333fBU327zhF3l33B4VaDNwsoUKrnPJxkPYefYOPz4DyPupiUbz4 xIL/TNtc8BTTa+Rzt7/tKq+tHTHW2UbRr7k9c3FYxPbkwUas75TNPuExtBitCHpumH dGVtzWr0UCdYA== Date: Wed, 6 Nov 2024 11:51:35 +0000 From: Will Deacon To: Yicong Yang Cc: yangyicong@hisilicon.com, jonathan.cameron@huawei.com, mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org, hejunhao3@huawei.com, linuxarm@huawei.com, wangyushan12@huawei.com, prime.zeng@hisilicon.com Subject: Re: [PATCH v3 2/8] drivers/perf: hisi: Improve the detection of associated CPUs Message-ID: <20241106115134.GC13801@willie-the-truck> References: <20241026072424.29887-1-yangyicong@huawei.com> <20241026072424.29887-3-yangyicong@huawei.com> <20241029132826.GB4416@willie-the-truck> <5895fd31-04f8-f1ea-0639-12dd1f19069c@huawei.com> <9a64ed90-6c9f-a32a-85cf-9d0c41e2fd81@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9a64ed90-6c9f-a32a-85cf-9d0c41e2fd81@huawei.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-20241106_035141_669630_8A1F5CCD X-CRM114-Status: UNSURE ( 8.19 ) X-CRM114-Notice: Please train this message. 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Nov 06, 2024 at 04:33:18PM +0800, Yicong Yang wrote: > Hi Will, > > Further comment on this patch? You failed to convince me that copying the online mask is safe, but I haven't had time to look into that in more depth myself. Saying "It should be safe" isn't really enough -- it _must_ be safe! Will