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 15403C001DB for ; Fri, 4 Aug 2023 16:52:22 +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: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=FpYmJKWrwKLxDBSjmTV91qrU5+RCzr2pdlpKF2WfNVM=; b=SuO4EmRtLQ65Br 106p2RLe6Zte8TBy/de1EnYSxe+FInnZkucUZ6tszVTgd0HjTGErf5RViphYzR1OCX2GneQJkHA7p 2liViYaLz5qXZ4KRgUykhi93RcUVyasBaXNh2F5EVNqnW/tgqHb7jlkcuM8lLTITyJgFzsjpFXRrH AIi4vZDvxOkOuf2d4yryhcIX32NNmbeuO6EZ1V4MU/mjRL9rqrqOMSMyIQhP3TdY7T0tjHC/JPWep bcC7XdYoE326Ofe72hHebFgHo+UpwEQBzaMJloqtnF0Mt2tdu8rcNp6bCRpJizBJqI5N3WcX+a3Mp dMMZ/uXSFBhPYPP0l+zg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qRy1v-00CpW1-2C; Fri, 04 Aug 2023 16:51:59 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qRy1t-00CpUy-0d for linux-arm-kernel@lists.infradead.org; Fri, 04 Aug 2023 16:51:58 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1691167913; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=EFe9NXRVWZZcjHmuHznmjHqL0ggt547E/jdYJJf8j2A=; b=Z4TsA4fUVC66538Z2GRpYb96z4fa2EXXYFUlWEM/WI38SAqJSm7+dY7clWWcFS7X108KsP LhKy6JVPUtITy3fqU5+zB4heAV+rZtZTHsnLCEvDTITbZHfKsEDDOTx+DuxAVRfKP2Sf7O 7hWFbvz5dBTwlmOU003NSRFScfRMymU= Received: from mimecast-mx02.redhat.com (66.187.233.73 [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-201-UIvp98hPNJyvQR9q9dIcrQ-1; Fri, 04 Aug 2023 12:51:48 -0400 X-MC-Unique: UIvp98hPNJyvQR9q9dIcrQ-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8C8783C100CB; Fri, 4 Aug 2023 16:51:47 +0000 (UTC) Received: from [10.22.33.115] (unknown [10.22.33.115]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4694E112132D; Fri, 4 Aug 2023 16:51:47 +0000 (UTC) Message-ID: <458ac4d2-bb8a-0359-f198-dd53f4c84bd3@redhat.com> Date: Fri, 4 Aug 2023 12:51:47 -0400 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1 Subject: Re: [PATCH v3] perf/arm-dmc620: Fix dmc620_pmu_irqs_lock/cpu_hotplug_lock circular lock dependency Content-Language: en-US To: Will Deacon Cc: Mark Rutland , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Robin Murphy References: <20230722031729.3913953-1-longman@redhat.com> <20230728150614.GF21718@willie-the-truck> <62d4b353-0237-9ec6-a63e-8a7a6764aba5@redhat.com> <20230804162812.GC30679@willie-the-truck> From: Waiman Long In-Reply-To: <20230804162812.GC30679@willie-the-truck> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230804_095157_302580_172966E4 X-CRM114-Status: GOOD ( 20.77 ) 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: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gOC80LzIzIDEyOjI4LCBXaWxsIERlYWNvbiB3cm90ZToKPj4+PiAgICBzdHJ1Y3QgZG1jNjIw X3BtdSB7Cj4+Pj4gQEAgLTQyMyw5ICs0MjQsMTQgQEAgc3RhdGljIHN0cnVjdCBkbWM2MjBfcG11 X2lycSAqX19kbWM2MjBfcG11X2dldF9pcnEoaW50IGlycV9udW0pCj4+Pj4gICAgCXN0cnVjdCBk bWM2MjBfcG11X2lycSAqaXJxOwo+Pj4+ICAgIAlpbnQgcmV0Owo+Pj4+IC0JbGlzdF9mb3JfZWFj aF9lbnRyeShpcnEsICZkbWM2MjBfcG11X2lycXMsIGlycXNfbm9kZSkKPj4+PiAtCQlpZiAoaXJx LT5pcnFfbnVtID09IGlycV9udW0gJiYgcmVmY291bnRfaW5jX25vdF96ZXJvKCZpcnEtPnJlZmNv dW50KSkKPj4+PiArCWxpc3RfZm9yX2VhY2hfZW50cnkoaXJxLCAmZG1jNjIwX3BtdV9pcnFzLCBp cnFzX25vZGUpIHsKPj4+PiArCQlpZiAoaXJxLT5pcnFfbnVtICE9IGlycV9udW0pCj4+Pj4gKwkJ CWNvbnRpbnVlOwo+Pj4+ICsJCWlmICghaXJxLT52YWxpZCkKPj4+PiArCQkJcmV0dXJuIEVSUl9Q VFIoLUVBR0FJTik7CS8qIFRyeSBhZ2FpbiBsYXRlciAqLwo+Pj4gSXQgbG9va3MgbGlrZSB0aGlz IGNhbiBidWJibGUgdXAgdG8gdGhlIHByb2JlKCkgcm91dGluZS4gRG9lcyB0aGUgZHJpdmVyCj4+ PiBjb3JlIGhhbmRsZSAtRUFHQUlOIGNvbWluZyBiYWNrIGZyb20gYSBwcm9iZSByb3V0aW5lPwo+ PiBSaWdodCwgSSBzaG91bGQgYWRkIGNvZGUgdG8gaGFuZGxlIHRoaXMgZXJyb3IgY29uZGl0aW9u LiBJIHRoaW5rIGl0IGNhbiBiZQo+PiBoYW5kbGVkIGluIGRtYzYyMF9wbXVfZ2V0X2lycSgpLiBU aGUgaW1wb3J0YW50IHRoaW5nIGlzIHRvIHJlbGVhc2UgdGhlCj4+IG11dGV4LCB3YWl0IGEgZmV3 IG1zIGFuZCB0cnkgYWdhaW4uIFdoYXQgZG8geW91IHRoaW5rPwo+IEkgZG9uJ3QgcmVhbGx5IGZv bGxvdywgYnV0IHdhaXRpbmcgYSBmZXcgbXMgYW5kIHRyeWluZyBhZ2FpbiBzb3VuZHMgbGlrZQo+ IGEgcmVhbGx5IG5hc3R5IGhhY2sgZm9yIHNvbWV0aGluZyB3aGljaCBkb2Vzbid0IGFwcGVhciB0 byBiZSBjb25zdHJhaW5lZAo+IGJ5IGJyb2tlbiBoYXJkd2FyZS4gSW4gb3RoZXIgd29yZHMsIHdl IGdvdCBvdXJzZWx2ZXMgaW50byB0aGlzIG1lc3MsIHNvCj4gd2Ugc2hvdWxkIGJlIGFibGUgdG8g cmVzb2x2ZSBpdCBwcm9wZXJseS4KCiBGcm9tIG15IHBvaW50IG9mIHZpZXcsIHRoZSBwcm9wZXIg d2F5IHRvIHNvbHZlIHRoZSBwcm9ibGVtIGlzIHRvIApyZXZlcnNlIHRoZSBsb2NraW5nIG9yZGVy LiBTaW5jZSB5b3UgZG9uJ3QgdG8gYWRkIGEgRVhQT1JUIHN0YXRlbWVudCB0byAKdGhlIGNvcmUg a2VybmVsIGNvZGUsIHdlIHdpbGwgaGF2ZSB0byBmaW5kIGEgd2F5IGFyb3VuZCBpdCBieSBub3Qg CmhvbGRpbmcgdGhlIGRtYzYyMF9wbXVfaXJxc19sb2NrIHdoZW4gY3B1aHBfc3RhdGVfYWRkX2lu c3RhbmNlX25vY2FsbHMoKSAKaXMgY2FsbGVkLiBBbm90aGVyIGFsdGVybmF0aXZlIHRoYXQgSSBj YW4gdGhpbmsgb2YgaXMgdG8gYWRkIG9uZSBtb3JlIAptdXRleCB0aGF0IHdlIHdpbGwgaG9sZCBq dXN0IGZvciB0aGUgZW50aXJldHkgb2bCoCBfX2RtYzYyMF9wbXVfZ2V0X2lycSgpIAphbmQgdGFr ZSBkbWM2MjBfcG11X2lycXNfbG9jayBvbmx5IHdoZW4gdGhlIGxpbmtlZCBsaXN0IGlzIGJlaW5n IAptb2RpZmllZC4gVGhhdCB3aWxsIGVsaW1pbmF0ZSB0aGUgbmVlZCB0byBpbnRyb2R1Y2UgYXJi aXRyYXJ5IHdhaXQgYXMgCm90aGVyIGNhbGxlciBvZiBfX2RtYzYyMF9wbXVfZ2V0X2lycSgpIHdp bGwgd2FpdCBpbiB0aGUgbmV3IG11dGV4LiBXaWxsIAp0aGlzIHdvcmsgZm9yIHlvdT8KCkNoZWVy cywKTG9uZ21hbgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMu aW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2xpbnV4LWFybS1rZXJuZWwK