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[66.187.233.206]) by smtp.gmail.com with ESMTPSA id l4sm4062899qtl.14.2019.02.04.05.57.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 04 Feb 2019 05:57:55 -0800 (PST) Message-ID: <1549288674.6911.27.camel@lca.pw> Subject: Re: kernel_page_tables issue with CONFIG_ARM64_USER_VA_BITS_52=y From: Qian Cai To: Steve Capper Date: Mon, 04 Feb 2019 08:57:54 -0500 In-Reply-To: <20190204102715.GA11645@capper-debian.cambridge.arm.com> References: <20190201134847.GC29903@fuggles.cambridge.arm.com> <1549054142.6911.25.camel@lca.pw> <20190204102715.GA11645@capper-debian.cambridge.arm.com> X-Mailer: Evolution 3.22.6 (3.22.6-10.el7) Mime-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190204_055757_698130_043C8A46 X-CRM114-Status: GOOD ( 12.18 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Catalin Marinas , nd , Will Deacon , Linux ARM 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 T24gTW9uLCAyMDE5LTAyLTA0IGF0IDEwOjI3ICswMDAwLCBTdGV2ZSBDYXBwZXIgd3JvdGU6Cj4g T24gRnJpLCBGZWIgMDEsIDIwMTkgYXQgMDM6NDk6MDJQTSAtMDUwMCwgUWlhbiBDYWkgd3JvdGU6 Cj4gPiBPbiBGcmksIDIwMTktMDItMDEgYXQgMTM6NDggKzAwMDAsIFdpbGwgRGVhY29uIHdyb3Rl Ogo+ID4gPiBIaSBRaWFuIENhaSwKPiAKPiBbLi4uXQo+IAo+ID4gVW5mb3J0dW5hdGVseSwgYWx0 aG91Z2ggdGhpcyB0YWtlcyBjYXJlIG9mIGtlcm5lbF9wYWdlX3RhYmxlcywgaXQgYnJlYWtzCj4g PiBlZmlfcGFnZV90YWJsZXMuCj4gPiAKPiA+ICMgY2F0IC9zeXMva2VybmVsL2RlYnVnL2VmaV9w YWdlX3RhYmxlcwo+ID4gQlVHKCkKPiA+IAo+ID4gIyAuL3NjcmlwdHMvZmFkZHIybGluZSB2bWxp bnV4IHdhbGtfcGdkKzB4ODQvMHgyNTQKPiA+IHdhbGtfcGdkKzB4ODQvMHgyNTQ6Cj4gPiBfX3Jl YWRfb25jZV9zaXplIGF0IGluY2x1ZGUvbGludXgvY29tcGlsZXIuaDoxOTMgKGRpc2NyaW1pbmF0 b3IgMSkKPiA+IChpbmxpbmVkIGJ5KSB3YWxrX3BnZCBhdCBhcmNoL2FybTY0L21tL2R1bXAuYzoz NDUgKGRpc2NyaW1pbmF0b3IgMSkKPiA+IAo+ID4gMzQ0OsKgwqDCoMKgwqDCoMKgwqBkbyB7Cj4g PiAzNDU6wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBwZ2RfdCBwZ2QgPSBSRUFEX09O Q0UoKnBnZHApOwo+ID4gMzQ2OsKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgbmV4dCA9 IHBnZF9hZGRyX2VuZChhZGRyLCAwKTsKPiA+IAo+ID4ga2VybmVsIEJVRyBhdCBhcmNoL2FybTY0 L21tL2R1bXAuYzozMzIhCj4gPiAKPiA+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg fSBlbHNlIHsKPiA+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoEJVR19PTihwdWRfYmFkKHB1ZCkpOwo+ID4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgd2Fsa19wbWQoc3QsIHB1ZHAsIGFkZHIsIG5leHQpOwo+ID4g Cj4gCj4gSGkgUWlhbiBDYWksCj4gQXBvbG9naWVzIGZvciBtaXNzaW5nIHRoZSBlZmlfcGFnZV90 YWJsZXMuCj4gCj4gRG9lcyB0aGUgZm9sbG93aW5nIChhcHBsaWVkIHRvIFdpbGwncyBmaXgpIGhl bHA/Cj4gCgpZZXMsIGl0IHdvcmtzIGdyZWF0IQoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgt YXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3Jn L21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=