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 X-Spam-Level: X-Spam-Status: No, score=-11.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F2653C433E1 for ; Tue, 21 Jul 2020 09:09:31 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BE75820714 for ; Tue, 21 Jul 2020 09:09:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="LSwdiraM" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BE75820714 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=hisilicon.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=m4PllZWKhW0uZQu6nxSvBEYznJdD1bHNhSLF0R2SdgA=; b=LSwdiraMvoIBtAmPsc5YyjxCX daJNVbEU+H5SRVDwX9CXRZw+7at9NcaWcL83SzFwjRpDKNRdEV55ClE46rT/M/Cdb585cV26dXMe2 fFFH71PD9kK8ht51RK/FZuM+qz0HUuff9YoBaURaOZLWAcvh1DLycdhbUI50sm4cbZUPwIT2WW29p qSCss7cX/YJ1fQq83cNbRnpTLLOom26a30RMg+oSuuyHTQA7ELTs0rGX0N15Fy8hNxU9nC678qv5o eCSPocKPveifGMSOxe01QhgZ8GkWecINZerlZXJDuQKV2rgdTq2QQjnASj4sMQpYl/kOaWwn23pae xWDH5tPIw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jxoFy-0004gJ-PI; Tue, 21 Jul 2020 09:08:14 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190] helo=huawei.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jxoFv-0004f2-0H for linux-arm-kernel@lists.infradead.org; Tue, 21 Jul 2020 09:08:12 +0000 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 5B316125E07DD34A937D; Tue, 21 Jul 2020 17:08:06 +0800 (CST) Received: from [127.0.0.1] (10.67.76.251) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Tue, 21 Jul 2020 17:08:05 +0800 Subject: Re: [PATCH v4 1/2] arm64: perf: Add support caps in sysfs To: Will Deacon References: <1595317488-50814-1-git-send-email-zhangshaokun@hisilicon.com> <20200721082112.GA13045@willie-the-truck> From: Shaokun Zhang Message-ID: <154bf854-feb3-ae87-1b8a-808a2e9dd2cd@hisilicon.com> Date: Tue, 21 Jul 2020 17:08:06 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.8.1 MIME-Version: 1.0 In-Reply-To: <20200721082112.GA13045@willie-the-truck> X-Originating-IP: [10.67.76.251] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200721_050811_829440_8B980D42 X-CRM114-Status: GOOD ( 17.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="gbk" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org SGkgV2lsbCwKCtTaIDIwMjAvNy8yMSAxNjoyMSwgV2lsbCBEZWFjb24g0LS1wDoKPiBPbiBUdWUs IEp1bCAyMSwgMjAyMCBhdCAwMzo0NDo0N1BNICswODAwLCBTaGFva3VuIFpoYW5nIHdyb3RlOgo+ PiBBUk12OC40LVBNVSBpbnRyb2R1Y2VzIHRoZSBQTU1JUl9FTDEgcmVnaXN0ZXJzIGFuZCBzb21l IG5ldyBQTVUgZXZlbnRzLAo+PiBsaWtlIFNUQUxMX1NMT1QgZXRjLCBhcmUgcmVsYXRlZCB0byBp dC4gTGV0J3MgYWRkIGEgY2FwcyBkaXJlY3RvcnkgdG8KPj4gL3N5cy9idXMvZXZlbnRfc291cmNl L2RldmljZXMvYXJtdjhfcG11djNfMC8gYW5kIHN1cHBvcnQgc2xvdHMgZnJvbQo+PiBQTU1JUl9F TDEgcmVnaXN0ZXJzIGluIHRoaXMgZW50cnkuIFRoZSB1c2VyIHByb2dyYW1zIGNhbiBnZXQgdGhl IHNsb3RzCj4+IGZyb20gc3lzZnMgZGlyZWN0bHkuCj4+Cj4+IENjOiBXaWxsIERlYWNvbiA8d2ls bEBrZXJuZWwub3JnPgo+PiBDYzogTWFyayBSdXRsYW5kIDxtYXJrLnJ1dGxhbmRAYXJtLmNvbT4K Pj4gU2lnbmVkLW9mZi1ieTogU2hhb2t1biBaaGFuZyA8emhhbmdzaGFva3VuQGhpc2lsaWNvbi5j b20+Cj4+IC0tLQo+PiBDaGFuZ2VMb2cgaW4gdjQ6Cj4+ICAgICAqIEFkZHJlc3MgV2lsbCdzIGNv bW1lbnRzLgo+Pgo+PiBDaGFuZ2VMb2cgaW4gdjM6Cj4+ICAgICAqIEZpeCBvbmUgdHlwbyBpbiBw YXRjaDMKPj4KPj4gQ2hhbmdlTG9nIGluIHYyOgo+PiAgICAgKiBBZGQgY2FwcyBlbnRyeSBpbiBz eXNmcwo+PiAgICAgKiBGaXggdGhlIFBNVSBldmVudHMgdHlwb3MKPj4gICAgICogQWRkIG9uZSBu ZXcgcGF0Y2ggdG8gY29ycmVjdCBldmVudCBJRCBpbiBzeXNmcwo+Pgo+PiAgYXJjaC9hcm02NC9p bmNsdWRlL2FzbS9zeXNyZWcuaCB8ICAgMiArCj4+ICBhcmNoL2FybTY0L2tlcm5lbC9wZXJmX2V2 ZW50LmMgIHwgMTI1ICsrKysrKysrKysrKysrKysrKysrKysrKysrKystLS0tLS0tLS0tLS0KPj4g IGluY2x1ZGUvbGludXgvcGVyZi9hcm1fcG11LmggICAgfCAgIDEgKwo+PiAgMyBmaWxlcyBjaGFu Z2VkLCA5MSBpbnNlcnRpb25zKCspLCAzNyBkZWxldGlvbnMoLSkKPj4KPj4gZGlmZiAtLWdpdCBh L2FyY2gvYXJtNjQvaW5jbHVkZS9hc20vc3lzcmVnLmggYi9hcmNoL2FybTY0L2luY2x1ZGUvYXNt L3N5c3JlZy5oCj4+IGluZGV4IDQ2MzE3NWY4MDM0MS4uNTZjNDVhOTIwN2M3IDEwMDY0NAo+PiAt LS0gYS9hcmNoL2FybTY0L2luY2x1ZGUvYXNtL3N5c3JlZy5oCj4+ICsrKyBiL2FyY2gvYXJtNjQv aW5jbHVkZS9hc20vc3lzcmVnLmgKPj4gQEAgLTMyMSw2ICszMjEsOCBAQAo+PiAgI2RlZmluZSBT WVNfUE1JTlRFTlNFVF9FTDEJCXN5c19yZWcoMywgMCwgOSwgMTQsIDEpCj4+ICAjZGVmaW5lIFNZ U19QTUlOVEVOQ0xSX0VMMQkJc3lzX3JlZygzLCAwLCA5LCAxNCwgMikKPj4gIAo+PiArI2RlZmlu ZSBTWVNfUE1NSVJfRUwxCQkJc3lzX3JlZygzLCAwLCA5LCAxNCwgNikKPj4gKwo+PiAgI2RlZmlu ZSBTWVNfTUFJUl9FTDEJCQlzeXNfcmVnKDMsIDAsIDEwLCAyLCAwKQo+PiAgI2RlZmluZSBTWVNf QU1BSVJfRUwxCQkJc3lzX3JlZygzLCAwLCAxMCwgMywgMCkKPj4gIAo+PiBkaWZmIC0tZ2l0IGEv YXJjaC9hcm02NC9rZXJuZWwvcGVyZl9ldmVudC5jIGIvYXJjaC9hcm02NC9rZXJuZWwvcGVyZl9l dmVudC5jCj4+IGluZGV4IDRkNzg3OTQ4NGNlYy4uZWQwMDEyOTc5MjcxIDEwMDY0NAo+PiAtLS0g YS9hcmNoL2FybTY0L2tlcm5lbC9wZXJmX2V2ZW50LmMKPj4gKysrIGIvYXJjaC9hcm02NC9rZXJu ZWwvcGVyZl9ldmVudC5jCj4+IEBAIC0yNzcsNiArMjc3LDUxIEBAIHN0YXRpYyBzdHJ1Y3QgYXR0 cmlidXRlX2dyb3VwIGFybXY4X3BtdXYzX2Zvcm1hdF9hdHRyX2dyb3VwID0gewo+PiAgCS5hdHRy cyA9IGFybXY4X3BtdXYzX2Zvcm1hdF9hdHRycywKPj4gIH07Cj4+ICAKPj4gK3N0YXRpYyBpbnQg YXJtdjhwbXVfZ2V0X3BtdV92ZXJzaW9uKHZvaWQpCj4+ICt7Cj4+ICsJaW50IHBtdXZlcjsKPj4g Kwl1NjQgZGZyMDsKPj4gKwo+PiArCWRmcjAgPSByZWFkX3N5c3JlZyhpZF9hYTY0ZGZyMF9lbDEp Owo+PiArCXBtdXZlciA9IGNwdWlkX2ZlYXR1cmVfZXh0cmFjdF91bnNpZ25lZF9maWVsZChkZnIw LAo+PiArCQkJSURfQUE2NERGUjBfUE1VVkVSX1NISUZUKTsKPj4gKwo+PiArCXJldHVybiBwbXV2 ZXI7Cj4+ICt9Cj4+ICsKPj4gK3N0YXRpYyB1bW9kZV90Cj4+ICthcm12OHBtdV9jYXBzX2F0dHJf aXNfdmlzaWJsZShzdHJ1Y3Qga29iamVjdCAqa29iaiwgc3RydWN0IGF0dHJpYnV0ZSAqYXR0ciwK Pj4gKwkJCSAgICAgIGludCB1bnVzZWQpCj4+ICt7Cj4+ICsJaW50IHBtdXZlciA9IGFybXY4cG11 X2dldF9wbXVfdmVyc2lvbigpOwo+PiArCj4+ICsJaWYgKHBtdXZlciA+PSBJRF9BQTY0REZSMF9Q TVVWRVJfOF80KQo+PiArCQlyZXR1cm4gYXR0ci0+bW9kZTsKPj4gKwo+PiArCXJldHVybiAwOwo+ PiArfQo+PiArCj4+ICtzdGF0aWMgc3NpemVfdCBzbG90c19zaG93KHN0cnVjdCBkZXZpY2UgKmRl diwgc3RydWN0IGRldmljZV9hdHRyaWJ1dGUgKmF0dHIsCj4+ICsJCQkgIGNoYXIgKmJ1ZikKPj4g K3sKPj4gKwlpbnQgc2xvdHMgPSByZWFkX3N5c3JlZ19zKFNZU19QTU1JUl9FTDEpICYgMHhGRjsK PiAKPiBJJ20gc3RpbGwgd29ycmllZCB0aGF0IHRoaXMgbWlnaHQgdHJpZ2dlciBhbiBVTkRFRiBh bmQgcGFuaWMgdGhlIGtlcm5lbAo+IGlmIFNUQUxMX1NMT1RTIGlzIG5vdCBzdXBwb3J0ZWQuIFRo ZSBBcm0gQVJNIGlzbid0IGNsZWFyIGFib3V0IHRoZQo+IGJlaGF2aW91ciwgc28gSSB0aGluayB3 ZSBoYXZlIHRvIGFzc3VtZSB0aGUgd29yc3QgYW5kIGNoZWNrIHRoYXQgU1RBTExfU0xPVFMKCkdv dCBpdC4KCj4gaXMgc3VwcG9ydGVkIGFzIHdlbGwgaW4gYXJtdjhwbXVfY2Fwc19hdHRyX2lzX3Zp c2libGUoKS4KPiAKPiBJbiBvdGhlciB3b3JkcywgSSB0aGluayB3ZSBoYXZlIHRvIGNoZWNrIFBN Q0VJRDFfRUwwIGFzIHdlbGwgYXMKCkluIGZhY3QsIEkgZGlkIHRoaXMgaW4gdjQsIGJ1dCBJIHJl bW92ZWQgaXQgd2hlbiBJIGRpZCBtb3JlIGNoZWNrIG9uIFNMT1RTCm1lYW5pbmcgdGhhdCBJIGhh dmUgcmVwbGllZCBpbiB2MyB0aHJlYWQuIEkgd2lsbCBhZGQgaXQgaW4gbmV4dCB2ZXJzaW9uLgoK VGhhbmtzLApTaGFva3VuCgo+IEFBNjRERlIwX0VMMS4KPiAKPiBXaWxsCj4gCj4gLgo+IAoKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1r ZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpo dHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJu ZWwK