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 BFD4ED17123 for ; Mon, 21 Oct 2024 18:59:14 +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:Cc:To:From:Subject:Message-ID: References:Mime-Version:In-Reply-To:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=9tnWuMPNji90iWXtt3yIWSZMYcXd+q8ACFDPhnvjllc=; b=AgkTx+wljML5l+BdVqlolutHqu s+WZb7+Ieh3j6tkjzcmhw0acGtGba2jfRftbuL40fwnSMBBlf3uiRIAdEZRN8R0ZX3UQZiHL1NbLc RyAqbpvtjlQJUNnSNIRAE6S8CNxxtZFDqUqK5MsUspyMyMXjGGhx7UqpjEsrqihRF3LLIPOGum5lP DChXthe/HTyJ8/pIH9ja/rBGz9dJODwKJTUD6hhOH7Sfer9z5Bjc5JnJMUxRRtjb7dKNl4UPSlRC6 rGveQWj98qgt/pgvr0vgGN2uUQt2QLKXA+VVeV4XeiOOf55+560iRNsP8bOCsB/UTrAEznvGpUt5i vyxgQNUA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t2xcR-00000008NAd-0KRq; Mon, 21 Oct 2024 18:59:07 +0000 Received: from mail-pg1-x54a.google.com ([2607:f8b0:4864:20::54a]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t2xb8-00000008Mwx-3zql for linux-riscv@lists.infradead.org; Mon, 21 Oct 2024 18:57:48 +0000 Received: by mail-pg1-x54a.google.com with SMTP id 41be03b00d2f7-7ea6efcd658so4087252a12.3 for ; Mon, 21 Oct 2024 11:57:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1729537065; x=1730141865; darn=lists.infradead.org; h=content-transfer-encoding:cc:to:from:subject:message-id:references :mime-version:in-reply-to:date:from:to:cc:subject:date:message-id :reply-to; bh=TRc3VGGNkUkUR9ifA4nNeX0hRZiSdlXeerhUJQ+tYBo=; b=w9Go7hKJw2sDm5AgMc/FV593puEvk3b38U/G5B4gLnqr+6L2CVc+DVhm0V81WfmNKa OHhWH3KYMQkNthbrZIAX86lJgzPyTaDKhohCGsU/cJEtOIhLaC48gj+HQZwgl6NDJ1CZ nuexkOmhkgk7uKS5NUtdR9OkK3iGAG3XYzEN6sSk5TPMo0QDfu0N9hyhfUqQUyRfyvbp ieHl5KD+a1oeJ2uuZWoIu5C0Id2UKvSsJuAIWVOWdNmh98CuosswKtr1K/gSOmyXAYzF KEALUUdydCTmls7mejUTN3W4c2WdjjsEqXEKO0Ttkvcc1FFQ+dRin42dixn0k4IFNDwL EYmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729537065; x=1730141865; h=content-transfer-encoding:cc:to:from:subject:message-id:references :mime-version:in-reply-to:date:x-gm-message-state:from:to:cc:subject :date:message-id:reply-to; bh=TRc3VGGNkUkUR9ifA4nNeX0hRZiSdlXeerhUJQ+tYBo=; b=IVyZXrerOsIvZGFCdjOa4DyoA4gR2L7VMxjDUP4oLDjUoqhGez7/xoQuKOrwal+9Vt M0PM5wAscTFGSsjBrfq60HXgqzARezlDVGUYdchSUOS/8Ey9SOXgi4e1xdakMqNwYW8h vaLFBb7EcrxAOfjGHXAuz/i/esQJD0C6dug/WLAaW37NScqG174DoqRBP/6KjqrjbuaB 0D5fpxiKzaVosP56rrgMiyrNyGpT0JQ5VizzCgZH+Ez/CHO+Rig197p2yfGRK7SXeIsQ q7WDcRlOQaC8Ej2N1Fyg0aeUplNDaxwUYXRoXNQh6QDeJSw5ubcv6BEyHQyB5GDjDV8W c+gg== X-Forwarded-Encrypted: i=1; AJvYcCVpLkmxIyFmIOY7bXy9XaX8wR5IfrOlU1SdVvNAxKd7B5B6ZLIci9NDaGH0ETynuyYbGL8XtJ9yXldDCw==@lists.infradead.org X-Gm-Message-State: AOJu0Yw+kWFRVAsV9K+bNYt/+DjzTeAmK9ZLJ7CHRt+rnjEymUQGiWqn gcM/Agyc55y9aavQpTVvwWXxVqLeV6U4+Z9N8u9wHfuIkdyRO7anFukrfCRhXhhkfmaqlMawz2Q KIw== X-Google-Smtp-Source: AGHT+IHRYlBrX6M+NH4TUGVEqm9BFtB7q+VVhXD5EoRBvSsXa42IiMZxJc+hXyxs+ZPnB8HLQQfXC/cdu0E= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:9d:3983:ac13:c240]) (user=seanjc job=sendgmr) by 2002:a63:3858:0:b0:7e9:f93c:22b9 with SMTP id 41be03b00d2f7-7eacc895cf2mr12508a12.10.1729537064143; Mon, 21 Oct 2024 11:57:44 -0700 (PDT) Date: Mon, 21 Oct 2024 11:57:42 -0700 In-Reply-To: Mime-Version: 1.0 References: <20241010182427.1434605-1-seanjc@google.com> <20241010182427.1434605-52-seanjc@google.com> Message-ID: Subject: Re: [PATCH v13 51/85] KVM: VMX: Use __kvm_faultin_page() to get APIC access page/pfn From: Sean Christopherson To: Yan Zhao Cc: Paolo Bonzini , Marc Zyngier , Oliver Upton , Tianrui Zhao , Bibo Mao , Huacai Chen , Michael Ellerman , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, "Alex =?utf-8?Q?Benn=C3=A9e?=" , David Matlack , David Stevens , Andrew Jones X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241021_115747_015067_E7B77B9B X-CRM114-Status: GOOD ( 23.78 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gTW9uLCBPY3QgMjEsIDIwMjQsIFlhbiBaaGFvIHdyb3RlOgo+IE9uIFRodSwgT2N0IDEwLCAy MDI0IGF0IDExOjIzOjUzQU0gLTA3MDAsIFNlYW4gQ2hyaXN0b3BoZXJzb24gd3JvdGU6Cj4gPiBV c2UgX19rdm1fZmF1bHRpbl9wYWdlKCkgZ2V0IHRoZSBBUElDIGFjY2VzcyBwYWdlIHNvIHRoYXQg S1ZNIGNhbgo+ID4gcHJlY2lzZWx5IHJlbGVhc2UgdGhlIHJlZmNvdW50ZWQgcGFnZSwgaS5lLiB0 byByZW1vdmUgeWV0IGFub3RoZXIgdXNlcgo+ID4gb2Yga3ZtX3Bmbl90b19yZWZjb3VudGVkX3Bh Z2UoKS4gIFdoaWxlIHRoZSBwYXRoIGlzbid0IGhhbmRsaW5nIGEgZ3Vlc3QKPiA+IHBhZ2UgZmF1 bHQsIHRoZSBzZW1hbnRpY3MgYXJlIGVmZmVjdGl2ZWx5IHRoZSBzYW1lOyBLVk0ganVzdCBoYXBw ZW5zIHRvCj4gPiBiZSBtYXBwaW5nIHRoZSBwZm4gaW50byBhIFZNQ1MgZmllbGQgaW5zdGVhZCBv ZiBhIHNlY29uZGFyeSBNTVUuCj4gPiAKPiA+IFRlc3RlZC1ieTogQWxleCBCZW5uw6llIDxhbGV4 LmJlbm5lZUBsaW5hcm8ub3JnPgo+ID4gU2lnbmVkLW9mZi1ieTogU2VhbiBDaHJpc3RvcGhlcnNv biA8c2VhbmpjQGdvb2dsZS5jb20+Cj4gPiAtLS0KCi4uLgoKPiA+IEBAIC02ODM4LDEwICs2ODQw LDEzIEBAIHZvaWQgdm14X3NldF9hcGljX2FjY2Vzc19wYWdlX2FkZHIoc3RydWN0IGt2bV92Y3B1 ICp2Y3B1KQo+ID4gIAkJdm1jc193cml0ZTY0KEFQSUNfQUNDRVNTX0FERFIsIHBmbl90b19ocGEo cGZuKSk7Cj4gPiAgCj4gPiAgCS8qCj4gPiAtCSAqIERvIG5vdCBwaW4gYXBpYyBhY2Nlc3MgcGFn ZSBpbiBtZW1vcnksIHRoZSBNTVUgbm90aWZpZXIKPiA+IC0JICogd2lsbCBjYWxsIHVzIGFnYWlu IGlmIGl0IGlzIG1pZ3JhdGVkIG9yIHN3YXBwZWQgb3V0Lgo+ID4gKwkgKiBEbyBub3QgcGluIHRo ZSBBUElDIGFjY2VzcyBwYWdlIGluIG1lbW9yeSBzbyB0aGF0IGl0IGNhbiBiZSBmcmVlbHkKPiA+ ICsJICogbWlncmF0ZWQsIHRoZSBNTVUgbm90aWZpZXIgd2lsbCBjYWxsIHVzIGFnYWluIGlmIGl0 IGlzIG1pZ3JhdGVkIG9yCj4gPiArCSAqIHN3YXBwZWQgb3V0LiAgS1ZNIGJhY2tzIHRoZSBtZW1z bG90IHdpdGggYW5vbnltb3VzIG1lbW9yeSwgdGhlIHBmbgo+ID4gKwkgKiBzaG91bGQgYWx3YXlz IHBvaW50IGF0IGEgcmVmY291bnRlZCBwYWdlIChpZiB0aGUgcGZuIGlzIHZhbGlkKS4KPiA+ICAJ ICovCj4gPiAtCWt2bV9yZWxlYXNlX3Bmbl9jbGVhbihwZm4pOwo+ID4gKwlpZiAoIVdBUk5fT05f T05DRSghcmVmY291bnRlZF9wYWdlKSkKPiA+ICsJCWt2bV9yZWxlYXNlX3BhZ2VfY2xlYW4ocmVm Y291bnRlZF9wYWdlKTsKPiBXaHkgaXQncyBub3QKPiBpZiAoIVdBUk5fT05fT05DRSghcmVmY291 bnRlZF9wYWdlKSkgewo+IAlpZiAod3JpdGFibGUpCj4gCQlrdm1fcmVsZWFzZV9wYWdlX2RpcnR5 KHJlZmNvdW50ZWRfcGFnZSkKPiAJZWxzZQo+IAkJa3ZtX3JlbGVhc2VfcGFnZV9jbGVhbihyZWZj b3VudGVkX3BhZ2UpCj4gfQo+IAo+IG9yIHNpbXBseSBub3QgcGFzcyAid3JpdGFibGUiIHRvIF9f a3ZtX2ZhdWx0aW5fcGZuKCkgYXMgd2Uga25vdyB0aGUgc2xvdCBpcwo+IG5vdCByZWFkLW9ubHkg YW5kIHRoZW4gc2V0IGRpcnR5ID8KCl9fa3ZtX2ZhdWx0aW5fcGZuKCkgcmVxdWlyZXMgYSBub24t TlVMTCBAd3JpdGFibGUuICBUaGUgaW50ZW50IGlzIHRvIGhlbHAgZW5zdXJlCnRoZSBjYWxsZXIg aXMgYWN0dWFsbHkgY2hlY2tpbmcgd2hldGhlciBhIHJlYWRhYmxlIHZzLiB3cml0YWJsZSBtYXBw aW5nIHdhcwphY3F1aXJlZC4gIEZvciBjYXNlcyB0aGF0IGV4cGxpY2l0bHkgcGFzcyBGT0xMX1dS SVRFLCBpdCdzIGF3a3dhcmQsIGJ1dCB0aG9zZQpzaG91bGQgYmUgZmV3IGFuZCBmYXIgYmV0d2Vl bi4KCj4gaWYgKCFXQVJOX09OX09OQ0UoIXJlZmNvdW50ZWRfcGFnZSkpCj4gCWt2bV9yZWxlYXNl X3BhZ2VfZGlydHkocmVmY291bnRlZF9wYWdlKQoKWWEsIHRoaXMgaXMgcHJvYmFibHkgbW9yZSBj b3JyZWN0PyAgVGhvdWdoIEkgd291bGQgc3Ryb25nbHkgcHJlZmVyIHRvIG1ha2UgYW55CmNoYW5n ZSBpbiBiZWhhdmlvciBvbiB0b3Agb2YgdGhpcyBzZXJpZXMuICBUaGUgdXNlIG9mIGt2bV9yZWxl YXNlX3BhZ2VfY2xlYW4oKQp3YXMgYWRkZWQgYnkgY29tbWl0IDg3ODk0MGIzM2Q3NiAoIktWTTog Vk1YOiBSZXRyeSBBUElDLWFjY2VzcyBwYWdlIHJlbG9hZCBpZgppbnZhbGlkYXRpb24gaXMgaW4t cHJvZ3Jlc3MiKSwgYW5kIEkgc3VzcGVjdCB0aGUgb25seSByZWFzb24gaXQgYWRkZWQgdGhlCmt2 bV9zZXRfcGFnZV9hY2Nlc3NlZCgpIGNhbGwgaXMgYmVjYXVzZSB0aGVyZSB3YXMgbm8gInVudXNl ZCIgdmFyaWFudC4gIEkuZS4gdGhlcmUKd2FzIG5vIGNvbmNpb3VzIGRlY2lzaW9uIHRvIHNldCBB Y2Nlc3NlZCBidXQgbm90IERpcnR5LgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KbGludXgtcmlzY3YgbWFpbGluZyBsaXN0CmxpbnV4LXJpc2N2QGxpc3Rz LmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5m by9saW51eC1yaXNjdgo=