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=-14.0 required=3.0 tests=BAYES_00,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 5C8AAC433DB for ; Fri, 12 Mar 2021 09:05:54 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id B42D664FD5 for ; Fri, 12 Mar 2021 09:05:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B42D664FD5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 472C94B5D9; Fri, 12 Mar 2021 04:05:53 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hHpscFmLERzF; Fri, 12 Mar 2021 04:05:52 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 239354B604; Fri, 12 Mar 2021 04:05:52 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id AB5044B5D9 for ; Fri, 12 Mar 2021 04:05:50 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id M7smZ4axgED0 for ; Fri, 12 Mar 2021 04:05:49 -0500 (EST) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 88F304B444 for ; Fri, 12 Mar 2021 04:05:49 -0500 (EST) 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 4B04F64F12; Fri, 12 Mar 2021 09:05:48 +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) (envelope-from ) id 1lKdju-001Adz-Eu; Fri, 12 Mar 2021 09:05:46 +0000 Date: Fri, 12 Mar 2021 09:05:45 +0000 Message-ID: <87k0qcg2s6.wl-maz@kernel.org> From: Marc Zyngier To: Shenming Lu Subject: Re: [PATCH v3 3/4] KVM: arm64: GICv4.1: Restore VLPI's pending state to physical side In-Reply-To: <0820f429-4c29-acd6-d9e0-af9f6deb68e4@huawei.com> References: <20210127121337.1092-1-lushenming@huawei.com> <20210127121337.1092-4-lushenming@huawei.com> <87tupif3x3.wl-maz@kernel.org> <0820f429-4c29-acd6-d9e0-af9f6deb68e4@huawei.com> 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: lushenming@huawei.com, eric.auger@redhat.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, alex.williamson@redhat.com, cohuck@redhat.com, lorenzo.pieralisi@arm.com, wanghaibin.wang@huawei.com, yuzenghui@huawei.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Cc: Lorenzo Pieralisi , kvm@vger.kernel.org, Cornelia Huck , linux-kernel@vger.kernel.org, Alex Williamson , Will Deacon , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu T24gVGh1LCAxMSBNYXIgMjAyMSAxMjozMjowNyArMDAwMCwKU2hlbm1pbmcgTHUgPGx1c2hlbm1p bmdAaHVhd2VpLmNvbT4gd3JvdGU6Cj4gCj4gT24gMjAyMS8zLzExIDE3OjE0LCBNYXJjIFp5bmdp ZXIgd3JvdGU6Cj4gPiBPbiBXZWQsIDI3IEphbiAyMDIxIDEyOjEzOjM2ICswMDAwLAo+ID4gU2hl bm1pbmcgTHUgPGx1c2hlbm1pbmdAaHVhd2VpLmNvbT4gd3JvdGU6Cj4gPj4KPiA+PiBGcm9tOiBa ZW5naHVpIFl1IDx5dXplbmdodWlAaHVhd2VpLmNvbT4KPiA+Pgo+ID4+IFdoZW4gc2V0dGluZyB0 aGUgZm9yd2FyZGluZyBwYXRoIG9mIGEgVkxQSSAoc3dpdGNoIHRvIHRoZSBIVyBtb2RlKSwKPiA+ PiB3ZSBjb3VsZCBhbHNvIHRyYW5zZmVyIHRoZSBwZW5kaW5nIHN0YXRlIGZyb20gaXJxLT5wZW5k aW5nX2xhdGNoIHRvCj4gPj4gVlBUIChlc3BlY2lhbGx5IGluIG1pZ3JhdGlvbiwgdGhlIHBlbmRp bmcgc3RhdGVzIG9mIFZMUElzIGFyZSByZXN0b3JlZAo+ID4+IGludG8ga3Zt4oCZcyB2Z2ljIGZp cnN0KS4gQW5kIHdlIGN1cnJlbnRseSBzZW5kICJJTlQrVlNZTkMiIHRvIHRyaWdnZXIKPiA+PiBh IFZMUEkgdG8gcGVuZGluZy4KPiA+Pgo+ID4+IFNpZ25lZC1vZmYtYnk6IFplbmdodWkgWXUgPHl1 emVuZ2h1aUBodWF3ZWkuY29tPgo+ID4+IFNpZ25lZC1vZmYtYnk6IFNoZW5taW5nIEx1IDxsdXNo ZW5taW5nQGh1YXdlaS5jb20+Cj4gPj4gLS0tCj4gPj4gIGFyY2gvYXJtNjQva3ZtL3ZnaWMvdmdp Yy12NC5jIHwgMTQgKysrKysrKysrKysrKysKPiA+PiAgMSBmaWxlIGNoYW5nZWQsIDE0IGluc2Vy dGlvbnMoKykKPiA+Pgo+ID4+IGRpZmYgLS1naXQgYS9hcmNoL2FybTY0L2t2bS92Z2ljL3ZnaWMt djQuYyBiL2FyY2gvYXJtNjQva3ZtL3ZnaWMvdmdpYy12NC5jCj4gPj4gaW5kZXggYWMwMjliYTNk MzM3Li5hMzU0MmFmNmYwNGEgMTAwNjQ0Cj4gPj4gLS0tIGEvYXJjaC9hcm02NC9rdm0vdmdpYy92 Z2ljLXY0LmMKPiA+PiArKysgYi9hcmNoL2FybTY0L2t2bS92Z2ljL3ZnaWMtdjQuYwo+ID4+IEBA IC00NDksNiArNDQ5LDIwIEBAIGludCBrdm1fdmdpY192NF9zZXRfZm9yd2FyZGluZyhzdHJ1Y3Qg a3ZtICprdm0sIGludCB2aXJxLAo+ID4+ICAJaXJxLT5ob3N0X2lycQk9IHZpcnE7Cj4gPj4gIAlh dG9taWNfaW5jKCZtYXAudnBlLT52bHBpX2NvdW50KTsKPiA+PiAgCj4gPj4gKwkvKiBUcmFuc2Zl ciBwZW5kaW5nIHN0YXRlICovCj4gPj4gKwlpZiAoaXJxLT5wZW5kaW5nX2xhdGNoKSB7Cj4gPj4g KwkJcmV0ID0gaXJxX3NldF9pcnFjaGlwX3N0YXRlKGlycS0+aG9zdF9pcnEsCj4gPj4gKwkJCQkJ ICAgIElSUUNISVBfU1RBVEVfUEVORElORywKPiA+PiArCQkJCQkgICAgaXJxLT5wZW5kaW5nX2xh dGNoKTsKPiA+PiArCQlXQVJOX1JBVEVMSU1JVChyZXQsICJJUlEgJWQiLCBpcnEtPmhvc3RfaXJx KTsKPiA+PiArCj4gPj4gKwkJLyoKPiA+PiArCQkgKiBMZXQgaXQgYmUgcHJ1bmVkIGZyb20gYXBf bGlzdCBsYXRlciBhbmQgZG9uJ3QgYm90aGVyCj4gPj4gKwkJICogdGhlIExpc3QgUmVnaXN0ZXIu Cj4gPj4gKwkJICovCj4gPj4gKwkJaXJxLT5wZW5kaW5nX2xhdGNoID0gZmFsc2U7Cj4gPiAKPiA+ IE5BSy4gSWYgdGhlIGludGVycnVwdCBpcyBvbiB0aGUgQVAgbGlzdCwgaXQgbXVzdCBiZSBwcnVu ZWQgZnJvbSBpdAo+ID4gKmltbWVkaWF0ZWx5Ki4gVGhlIG9ubHkgY2FzZSB3aGVyZSBpdCBjYW4g YmUgIXBlbmRpbmcgYW5kIHN0aWxsIG9uIHRoZQo+ID4gQVAgbGlzdCBpcyBpbiBpbnRlcnZhbCBi ZXR3ZWVuIHN5bmMgYW5kIHBydW5lLiBJZiB3ZSBzdGFydCBtZXNzaW5nCj4gPiB3aXRoIHRoaXMs IHdlIGNhbid0IHJlYXNvbiBhYm91dCB0aGUgc3RhdGUgb2YgdGhpcyBsaXN0IGFueW1vcmUuCj4g PiAKPiA+IENvbnNpZGVyIGNhbGxpbmcgdmdpY19xdWV1ZV9pcnFfdW5sb2NrKCkgaGVyZS4KPiAK PiBUaGFua3MgZm9yIGdpdmluZyBhIGhpbnQsIGJ1dCBpdCBzZWVtcyB0aGF0IHZnaWNfcXVldWVf aXJxX3VubG9jaygpIG9ubHkKPiBxdWV1ZXMgYW4gSVJRIGFmdGVyIGNoZWNraW5nLCBkaWQgeW91 IG1lYW4gdmdpY19wcnVuZV9hcF9saXN0KCkgaW5zdGVhZD8KCk5vLCBJIHJlYWxseSBtZWFuIHZn aWNfcXVldWVfaXJxX3VubG9jaygpLiBJdCBjYW4gYmUgdXNlZCB0byByZW1vdmUKdGhlIHBlbmRp bmcgc3RhdGUgZnJvbSBhbiBpbnRlcnJ1cHQsIGFuZCBkcm9wIGl0IGZyb20gdGhlIEFQCmxpc3Qu IFRoaXMgaXMgZXhhY3RseSB3aGF0IGhhcHBlbnMgd2hlbiBjbGVhcmluZyB0aGUgcGVuZGluZyBz dGF0ZSBvZgphIGxldmVsIGludGVycnVwdCwgZm9yIGV4YW1wbGUuCgoJTS4KCi0tIApXaXRob3V0 IGRldmlhdGlvbiBmcm9tIHRoZSBub3JtLCBwcm9ncmVzcyBpcyBub3QgcG9zc2libGUuCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmt2bWFybSBtYWlsaW5n IGxpc3QKa3ZtYXJtQGxpc3RzLmNzLmNvbHVtYmlhLmVkdQpodHRwczovL2xpc3RzLmNzLmNvbHVt YmlhLmVkdS9tYWlsbWFuL2xpc3RpbmZvL2t2bWFybQo=