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=-14.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 45D04C433ED for ; Fri, 7 May 2021 10:21:30 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 ACBD161443 for ; Fri, 7 May 2021 10:21:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ACBD161443 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Subject:Cc:To: From:Message-ID:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LSthBR7qUv/i5THsvJE2W/YaZDoN/VVqStWQ7qjL3Ic=; b=YeHn6KdmMYlMMH0Qc8rh8B3Sv 6xOTfUNvTDNMw3x8DEOx1YH8EeNW2X3Elta3uQhAY0ZptenlIUtJ0JO1c0oz/PATWe7VuEYR2a2md ouaIvXu5i+hUvl86SvU4SGud2lb7kcAG+IbfxYdfOIBvPEbo25Qn1nn2zW1QxQNywcxPrC6FDUGpX EPAaFHCC9w6m/Wrj9Gb8vVXJ1fOOpj0eNjKryOKsjBq2byj/+FoVlStSMRWiYQPJitmXww05qzQwr vEhILoGyBJpOgcxodYXn2v2P9x3XcVU2+Gpoy5h5d4KOgck6bkp1BOAZG5ekK2djKSNZ5D8L9Darv pZQlL/buw==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lexaO-006n0E-0Z; Fri, 07 May 2021 10:19:57 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lexaM-006mzw-2g for linux-arm-kernel@desiato.infradead.org; Fri, 07 May 2021 10:19:54 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Subject:Cc:To:From: Message-ID:Date:Sender:Reply-To:Content-ID:Content-Description; bh=i5Fq/TkhyuF12n6UC/drLNvffzMTOS78fsr+vLgRKak=; b=kD5RSTLvPtFOSRowlU5kJ75Cyb qDZIU3I2x67dsXeGRihO82SpnD9oiwS+5XZjJ2aAcrg83n2jyaqrNVpcqjCfie+eCFTMGoE/0S+wX uqHHqp7x/BFr8UIua2UrSM2AZb1SdyEIrYst3WLBBydKlbrBZVezL5gCkWNC9ElvbM227aeHKnaDb MvHtMZkxfbTZm4mGoe90K91nS8CNyp07PW01tlYmnpWOWVeD8/ivkr67luW1XF/K4rrgeSikhFKKu 2r8NOfCEHcimFLjcuZluyzy7SXCBKzQ/gMGMphbZtCCHLzlnWN+DVGzYW/nTezFFNsj49Y2HZP/63 GCd2h7Bw==; Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lexaJ-006lzh-GJ for linux-arm-kernel@lists.infradead.org; Fri, 07 May 2021 10:19:52 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 095D761443; Fri, 7 May 2021 10:19:51 +0000 (UTC) Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1lexaG-00BRP8-RS; Fri, 07 May 2021 11:19:48 +0100 Date: Fri, 07 May 2021 11:19:48 +0100 Message-ID: <87bl9mq20r.wl-maz@kernel.org> From: Marc Zyngier To: Pali =?UTF-8?B?Um9ow6Fy?= Cc: Lorenzo Pieralisi , Thomas Petazzoni , Rob Herring , Bjorn Helgaas , Russell King , Marek =?UTF-8?B?QmVow7pu?= , Remi Pommarel , Xogium , Tomasz Maciej Nowak , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 18/42] PCI: aardvark: Correctly clear and unmask all MSI interrupts In-Reply-To: <20210506153153.30454-19-pali@kernel.org> References: <20210506153153.30454-1-pali@kernel.org> <20210506153153.30454-19-pali@kernel.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: pali@kernel.org, lorenzo.pieralisi@arm.com, thomas.petazzoni@bootlin.com, robh@kernel.org, bhelgaas@google.com, rmk+kernel@armlinux.org.uk, kabel@kernel.org, repk@triplefau.lt, contact@xogium.me, tmn505@gmail.com, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210507_031951_623058_025A1C1F X-CRM114-Status: GOOD ( 22.44 ) 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 T24gVGh1LCAwNiBNYXkgMjAyMSAxNjozMToyOSArMDEwMCwKUGFsaSBSb2jDoXIgPHBhbGlAa2Vy bmVsLm9yZz4gd3JvdGU6Cj4gCj4gRGVmaW5lIGEgbmV3IG1hY3JvIFBDSUVfTVNJX0FMTF9NQVNL IGFuZCB1c2UgaXQgZm9yIG1hc2tpbmcsIHVubWFza2luZyBhbmQKPiBjbGVhcmluZyBhbGwgTVNJ IGludGVycnVwdHMuCj4gCj4gU2lnbmVkLW9mZi1ieTogUGFsaSBSb2jDoXIgPHBhbGlAa2VybmVs Lm9yZz4KPiBSZXZpZXdlZC1ieTogTWFyZWsgQmVow7puIDxrYWJlbEBrZXJuZWwub3JnPgo+IENj OiBzdGFibGVAdmdlci5rZXJuZWwub3JnCj4gLS0tCj4gIGRyaXZlcnMvcGNpL2NvbnRyb2xsZXIv cGNpLWFhcmR2YXJrLmMgfCAxNiArKysrKysrKysrLS0tLS0tCj4gIDEgZmlsZSBjaGFuZ2VkLCAx MCBpbnNlcnRpb25zKCspLCA2IGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJz L3BjaS9jb250cm9sbGVyL3BjaS1hYXJkdmFyay5jIGIvZHJpdmVycy9wY2kvY29udHJvbGxlci9w Y2ktYWFyZHZhcmsuYwo+IGluZGV4IDQ5ODgxMGMwMGI2ZC4uNWUwMjQzYjJjNDczIDEwMDY0NAo+ IC0tLSBhL2RyaXZlcnMvcGNpL2NvbnRyb2xsZXIvcGNpLWFhcmR2YXJrLmMKPiArKysgYi9kcml2 ZXJzL3BjaS9jb250cm9sbGVyL3BjaS1hYXJkdmFyay5jCj4gQEAgLTExNyw2ICsxMTcsNyBAQAo+ ICAjZGVmaW5lIFBDSUVfTVNJX0FERFJfSElHSF9SRUcJCQkoQ09OVFJPTF9CQVNFX0FERFIgKyAw eDU0KQo+ICAjZGVmaW5lIFBDSUVfTVNJX1NUQVRVU19SRUcJCQkoQ09OVFJPTF9CQVNFX0FERFIg KyAweDU4KQo+ICAjZGVmaW5lIFBDSUVfTVNJX01BU0tfUkVHCQkJKENPTlRST0xfQkFTRV9BRERS ICsgMHg1QykKPiArI2RlZmluZSAgICAgUENJRV9NU0lfQUxMX01BU0sJCQlHRU5NQVNLKDMxLCAw KQo+ICAjZGVmaW5lIFBDSUVfTVNJX1BBWUxPQURfUkVHCQkJKENPTlRST0xfQkFTRV9BRERSICsg MHg5QykKPiAgI2RlZmluZSAgICAgUENJRV9NU0lfREFUQV9NQVNLCQkJR0VOTUFTSygxNSwgMCkK PiAgCj4gQEAgLTM4NiwxOSArMzg3LDIyIEBAIHN0YXRpYyB2b2lkIGFkdmtfcGNpZV9zZXR1cF9o dyhzdHJ1Y3QgYWR2a19wY2llICpwY2llKQo+ICAJYWR2a193cml0ZWwocGNpZSwgcmVnLCBQQ0lF X0NPUkVfQ1RSTDJfUkVHKTsKPiAgCj4gIAkvKiBDbGVhciBhbGwgaW50ZXJydXB0cyAqLwo+ICsJ YWR2a193cml0ZWwocGNpZSwgUENJRV9NU0lfQUxMX01BU0ssIFBDSUVfTVNJX1NUQVRVU19SRUcp Owo+ICAJYWR2a193cml0ZWwocGNpZSwgUENJRV9JU1IwX0FMTF9NQVNLLCBQQ0lFX0lTUjBfUkVH KTsKPiAgCWFkdmtfd3JpdGVsKHBjaWUsIFBDSUVfSVNSMV9BTExfTUFTSywgUENJRV9JU1IxX1JF Ryk7Cj4gIAlhZHZrX3dyaXRlbChwY2llLCBQQ0lFX0lSUV9BTExfTUFTSywgSE9TVF9DVFJMX0lO VF9TVEFUVVNfUkVHKTsKPiAgCj4gIAkvKiBEaXNhYmxlIEFsbCBJU1IwLzEgU291cmNlcyAqLwo+ IC0JcmVnID0gUENJRV9JU1IwX0FMTF9NQVNLOwo+IC0JcmVnICY9IH5QQ0lFX0lTUjBfTVNJX0lO VF9QRU5ESU5HOwo+IC0JYWR2a193cml0ZWwocGNpZSwgcmVnLCBQQ0lFX0lTUjBfTUFTS19SRUcp Owo+IC0KPiArCWFkdmtfd3JpdGVsKHBjaWUsIFBDSUVfSVNSMF9BTExfTUFTSywgUENJRV9JU1Iw X01BU0tfUkVHKTsKPiAgCWFkdmtfd3JpdGVsKHBjaWUsIFBDSUVfSVNSMV9BTExfTUFTSywgUENJ RV9JU1IxX01BU0tfUkVHKTsKPiAgCj4gIAkvKiBVbm1hc2sgYWxsIE1TSXMgKi8KPiAtCWFkdmtf d3JpdGVsKHBjaWUsIDAsIFBDSUVfTVNJX01BU0tfUkVHKTsKPiArCWFkdmtfd3JpdGVsKHBjaWUs IH4odTMyKVBDSUVfTVNJX0FMTF9NQVNLLCBQQ0lFX01TSV9NQVNLX1JFRyk7CgpJIHJlYWxseSB3 b25kZXIgd2h5IHlvdSdkIHVubWFzayBhbGwgTVNJcy4gWWVzLCB0aGUgY3VycmVudCBjb2RlIGRv ZXMKdGhhdCBhbHJlYWR5LCBidXQgSSdkIGV4cGVjdCBNU0lzIHRvIGJlIGluZGl2aWR1YWxseSB1 bm1hc2tlZCBhcyB0aGV5CmdldCBlbmFibGVkIGJ5IHRoZSBjb3JlIGNvZGUuCgpUaGFua3MsCgoJ TS4KCQo+ICsKPiArCS8qIFVubWFzayBzdW1tYXJ5IE1TSSBpbnRlcnJ1cHQgKi8KPiArCXJlZyA9 IGFkdmtfcmVhZGwocGNpZSwgUENJRV9JU1IwX01BU0tfUkVHKTsKPiArCXJlZyAmPSB+UENJRV9J U1IwX01TSV9JTlRfUEVORElORzsKPiArCWFkdmtfd3JpdGVsKHBjaWUsIHJlZywgUENJRV9JU1Iw X01BU0tfUkVHKTsKPiAgCj4gIAkvKiBFbmFibGUgc3VtbWFyeSBpbnRlcnJ1cHQgZm9yIEdJQyBT UEkgc291cmNlICovCj4gIAlyZWcgPSBQQ0lFX0lSUV9BTExfTUFTSyAmICh+UENJRV9JUlFfRU5B QkxFX0lOVFNfTUFTSyk7Cj4gQEAgLTEwNDksNyArMTA1Myw3IEBAIHN0YXRpYyB2b2lkIGFkdmtf cGNpZV9oYW5kbGVfbXNpKHN0cnVjdCBhZHZrX3BjaWUgKnBjaWUpCj4gIAo+ICAJbXNpX21hc2sg PSBhZHZrX3JlYWRsKHBjaWUsIFBDSUVfTVNJX01BU0tfUkVHKTsKPiAgCW1zaV92YWwgPSBhZHZr X3JlYWRsKHBjaWUsIFBDSUVfTVNJX1NUQVRVU19SRUcpOwo+IC0JbXNpX3N0YXR1cyA9IG1zaV92 YWwgJiB+bXNpX21hc2s7Cj4gKwltc2lfc3RhdHVzID0gbXNpX3ZhbCAmICgofm1zaV9tYXNrKSAm IFBDSUVfTVNJX0FMTF9NQVNLKTsKPiAgCj4gIAlmb3IgKG1zaV9pZHggPSAwOyBtc2lfaWR4IDwg TVNJX0lSUV9OVU07IG1zaV9pZHgrKykgewo+ICAJCWlmICghKEJJVChtc2lfaWR4KSAmIG1zaV9z dGF0dXMpKQo+IC0tIAo+IDIuMjAuMQo+IAo+IAoKLS0gCldpdGhvdXQgZGV2aWF0aW9uIGZyb20g dGhlIG5vcm0sIHByb2dyZXNzIGlzIG5vdCBwb3NzaWJsZS4KCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0 CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFk ZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK