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([2001:b07:6468:f312:e044:3d2:1991:920c]) by smtp.gmail.com with ESMTPSA id d4sm19487104wre.22.2020.06.01.02.21.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 01 Jun 2020 02:21:42 -0700 (PDT) Subject: Re: [PATCH RFCv2 9/9] arm64: Support async page fault To: Marc Zyngier References: <20200508032919.52147-1-gshan@redhat.com> <20200508032919.52147-10-gshan@redhat.com> <81adf013-3de7-23e6-7648-8aec821b033c@redhat.com> <8ab64c6a-582b-691d-79ab-21cdc0455cd3@redhat.com> <6a4a82a4-af01-98c2-c854-9199f55f7bd3@redhat.com> <6965aaf641a23fab64fbe2ceeb790272@kernel.org> <4337cca152df47c93d96e092189a0e36@kernel.org> From: Paolo Bonzini Message-ID: <5c72c597-732e-7dbf-d056-665674ec1792@redhat.com> Date: Mon, 1 Jun 2020 11:21:41 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <4337cca152df47c93d96e092189a0e36@kernel.org> Content-Language: en-US X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200601_022147_927296_A5A4A828 X-CRM114-Status: GOOD ( 15.08 ) 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: Gavin Shan , catalin.marinas@arm.com, linux-kernel@vger.kernel.org, shan.gavin@gmail.com, will@kernel.org, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gMzEvMDUvMjAgMTQ6NDQsIE1hcmMgWnluZ2llciB3cm90ZToKPj4KPj4gSXMgdGhlcmUgYW4g QVJNLWFwcHJvdmVkIHdheSB0byByZXVzZSB0aGUgUzIgZmF1bHQgc3luZHJvbWVzIHRvIGRldGVj dAo+PiBhc3luYyBwYWdlIGZhdWx0cz8KPiAKPiBJdCB3b3VsZCBtZWFuIGJlaW5nIGFibGUgdG8g c2V0IGFuIEVTUl9FTDIgcmVnaXN0ZXIgdmFsdWUgaW50byBFU1JfRUwxLAo+IGFuZCB0aGVyZSBp cyBub3RoaW5nIGluIHRoZSBhcmNoaXRlY3R1cmUgdGhhdCB3b3VsZCBhbGxvdyB0aGF0LAoKSSB1 bmRlcnN0YW5kIHRoYXQgdGhpcyBpcyBub3Qgd2hhdCB5b3Ugd2FudCB0byBkbyBhbmQgSSdtIG5v dCBwcm9wb3NpbmcKaXQsIGJ1dCBJIHdhbnQgdG8gdW5kZXJzdGFuZCB0aGlzIGJldHRlcjogX2lu IHByYWN0aWNlXyBkbyBDUFVzIGNoZWNrCmNsb3NlbHkgd2hhdCBpcyB3cml0dGVuIGluIEVTUl9F TDE/CgpJbiBhbnkgY2FzZSwgdGhlIG9ubHkgd2F5IHRvIGltcGxlbWVudCB0aGlzLCBpdCBzZWVt cyB0byBtZSwgd291bGQgYmUgYQpjb21wbGV0ZWx5IHBhcmF2aXJ0dWFsaXplZCBleGNlcHRpb24g dmVjdG9yIHRoYXQgZG9lc24ndCB1c2UgRVNSIGF0IGFsbC4KCk9uIHRoZSBvdGhlciBoYW5kLCBm b3IgdGhlIHBhZ2UgcmVhZHkgKGludGVycnVwdCkgc2lkZSBhc3NpZ25pbmcgYSBQUEkKc2VlbXMg Y29tcGxpY2F0ZWQgYnV0IGRvYWJsZS4KClBhb2xvCgo+IHdpdGgKPiB0aGUgZXhjZXB0aW9uIG9m IG5lc3RlZCB2aXJ0OiBhIFZIRSBndWVzdCBoeXBlcnZpc29yIHJ1bm5pbmcgYXQgRUwxCj4gbXVz dCBiZSBhYmxlIHRvIG9ic2VydmUgUzIgZmF1bHRzIGZvciBpdHMgb3duIFMyLCBhcyBzeW50aGVz aXplZCBieQo+IHRoZSBob3N0IGh5cGVydmlzb3IuCgo+IFRoZSB0cm91YmxlIGlzIHRoYXQ6Cj4g LSB0aGVyZSBpcyBzbyBmYXIgbm8gY29tbWVyY2lhbGx5IGF2YWlsYWJsZSBDUFUgc3VwcG9ydGlu ZyBOVgo+IC0gZXZlbiBpZiB5b3UgY291bGQgZ2V0IGhvbGQgb2Ygc3VjaCBhIG1hY2hpbmUsIHRo ZXJlIGlzIG5vCj4gwqAgZ3VhcmFudGVlIHRoYXQgc3VjaCAiRUwyIHN5bmRyb21lIGF0IEVMMSIg aXMgdmFsaWQgb3V0c2lkZSBvZgo+IMKgIHRoZSBuZXN0ZWQgY29udGV4dAo+IC0gdGhpcyBkb2Vz bid0IHNvbHZlIHRoZSBpc3N1ZSBmb3Igbm9uLU5WIENQVXMgYW55d2F5CgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWls aW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0 cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=