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 BB977C433F5 for ; Mon, 13 Dec 2021 14:45:42 +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:Date: Message-ID:From:References:Cc:To:Subject:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=pRZqhI/BBATbtXIpzvuVJA0LCk3hyFOJmjyEow1Ua30=; b=mWopNAGsICAN2cF/LB9Ah27tN5 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ESMTPSA id 00BE83F73B; Mon, 13 Dec 2021 06:23:49 -0800 (PST) Subject: Re: [PATCH 2/3] coresight: Fail to open with return stacks if they are unavailable To: Mathieu Poirier Cc: Suzuki K Poulose , coresight@lists.linaro.org, Mike Leach , Leo Yan , John Garry , Will Deacon , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org References: <20211208160907.749482-1-james.clark@arm.com> <20211208160907.749482-2-james.clark@arm.com> <20211210172220.GA1238770@p14s> From: James Clark Message-ID: <36c3469c-4fc4-e156-048a-47f9d001f47f@arm.com> Date: Mon, 13 Dec 2021 14:23:48 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <20211210172220.GA1238770@p14s> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211213_062354_393283_BD7FD6E8 X-CRM114-Status: GOOD ( 23.94 ) 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="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org CgpPbiAxMC8xMi8yMDIxIDE3OjIyLCBNYXRoaWV1IFBvaXJpZXIgd3JvdGU6Cj4gSGkgSmFtZXMs Cj4gCj4gT24gVGh1LCBEZWMgMDksIDIwMjEgYXQgMTE6MTM6NTVBTSArMDAwMCwgSmFtZXMgQ2xh cmsgd3JvdGU6Cj4+Cj4+Cj4+IE9uIDA5LzEyLzIwMjEgMTE6MDAsIFN1enVraSBLIFBvdWxvc2Ug d3JvdGU6Cj4+PiBPbiAwOC8xMi8yMDIxIDE2OjA5LCBKYW1lcyBDbGFyayB3cm90ZToKPj4+PiBN YWludGFpbiBjb25zaXN0ZW5jeSB3aXRoIHRoZSBvdGhlciBvcHRpb25zIGJ5IGZhaWxpbmcgdG8g b3BlbiB3aGVuIHRoZXkKPj4+PiBhcmVuJ3Qgc3VwcG9ydGVkLiBGb3IgZXhhbXBsZSBFVE1fT1BU X1RTLCBFVE1fT1BUX0NUWFRJRDIgYW5kIHRoZSBuZXdseQo+Pj4+IGFkZGVkIEVUTV9PUFRfQlJB 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