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[66.187.233.206]) by smtp.gmail.com with ESMTPSA id d26sm6923857qkl.97.2019.06.25.07.28.07 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 25 Jun 2019 07:28:08 -0700 (PDT) Message-ID: <1561472887.5154.72.camel@lca.pw> Subject: Re: "arm64: vdso: Substitute gettimeofday() with C implementation" breaks clang build From: Qian Cai To: Vincenzo Frascino Date: Tue, 25 Jun 2019 10:28:07 -0400 In-Reply-To: <5113362e-1256-6712-6ce8-9599b1806cf1@arm.com> References: <1561464964.5154.63.camel@lca.pw> <1561467369.5154.67.camel@lca.pw> <00a78980-6b9c-5d5b-ed01-b28bb34be022@arm.com> <1561470705.5154.68.camel@lca.pw> <5113362e-1256-6712-6ce8-9599b1806cf1@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-20190625_072810_175560_D298F84A X-CRM114-Status: GOOD ( 19.63 ) 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: ndesaulniers@google.com, Catalin Marinas , Will Deacon , "linux-kernel@vger.kernel.org" , natechancellor@gmail.com, Thomas Gleixner , 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 T24gVHVlLCAyMDE5LTA2LTI1IGF0IDE1OjExICswMTAwLCBWaW5jZW56byBGcmFzY2lubyB3cm90 ZToKPiBIaSBRaWFuLAo+IAo+IE9uIDI1LzA2LzIwMTkgMTQ6NTEsIFFpYW4gQ2FpIHdyb3RlOgo+ ID4gT24gVHVlLCAyMDE5LTA2LTI1IGF0IDE0OjQwICswMTAwLCBWaW5jZW56byBGcmFzY2lubyB3 cm90ZToKPiA+ID4gT24gMjUvMDYvMjAxOSAxMzo1NiwgUWlhbiBDYWkgd3JvdGU6Cj4gPiA+ID4g T24gVHVlLCAyMDE5LTA2LTI1IGF0IDEzOjQ3ICswMTAwLCBWaW5jZW56byBGcmFzY2lubyB3cm90 ZToKPiA+ID4gPiA+IEhpIFFpYW4sCj4gPiA+ID4gPiAKPiA+ID4gPiA+IE9uIDI1LzA2LzIwMTkg MTM6MTYsIFFpYW4gQ2FpIHdyb3RlOgo+ID4gPiA+ID4gPiBUaGUgbGludXgtbmV4dCBjb21taXQg ImFybTY0OiB2ZHNvOiBTdWJzdGl0dXRlIGdldHRpbWVvZmRheSgpIHdpdGggQwo+ID4gPiA+ID4g PiBpbXBsZW1lbnRhdGlvbiIgWzFdIGJyZWFrcyBjbGFuZyBidWlsZC4KPiA+ID4gPiA+ID4gCj4g PiA+ID4gPiA+IGVycm9yOiBpbnZhbGlkIHZhbHVlICd0aW55JyBpbiAnLW1jb2RlLW1vZGVsIHRp bnknCj4gPiA+ID4gPiA+IG1ha2VbMV06ICoqKiBbc2NyaXB0cy9NYWtlZmlsZS5idWlsZDoyNzk6 Cj4gPiA+ID4gPiA+IGFyY2gvYXJtNjQva2VybmVsL3Zkc28vdmdldHRpbWVvZmRheS5vXSBFcnJv ciAxCj4gPiA+ID4gPiA+IG1ha2VbMV06ICoqKiBXYWl0aW5nIGZvciB1bmZpbmlzaGVkIGpvYnMu Li4uCj4gPiA+ID4gPiA+IG1ha2U6ICoqKiBbYXJjaC9hcm02NC9NYWtlZmlsZToxODA6IHZkc29f cHJlcGFyZV0gRXJyb3IgMgo+ID4gPiA+ID4gPiAKPiA+ID4gPiA+ID4gWzFdIGh0dHBzOi8vcGF0 Y2h3b3JrLmtlcm5lbC5vcmcvcGF0Y2gvMTEwMDk2NjMvCj4gPiA+ID4gPiA+IAo+ID4gPiA+ID4g Cj4gPiA+ID4gPiBJIGFtIG5vdCBzdXJlIHdoYXQgZG9lcyBleGFjdGx5IGJyZWFrIGZyb20geW91 ciByZXBvcnQuIENvdWxkIHlvdQo+ID4gPiA+ID4gcGxlYXNlCj4gPiA+ID4gPiBwcm92aWRlCj4g PiA+ID4gPiBtb3JlIGRldGFpbHM/Cj4gPiA+ID4gCj4gPiA+ID4gSGVyZSBpcyB0aGUgY29uZmln IHRvIHJlcHJvZHVjZS4KPiA+ID4gPiAKPiA+ID4gPiBodHRwczovL3Jhdy5naXRodWJ1c2VyY29u dGVudC5jb20vY2FpbGNhL2xpbnV4LW1tL21hc3Rlci9hcm02NC5jb25maWcKPiA+ID4gPiAKPiA+ ID4gPiAjIG1ha2UgQ0M9Y2xhbmcgLWogJChucl9jcHVzKQo+ID4gPiA+IAo+ID4gPiA+IEkgY2Fu IGdldCBpdCB3b3JraW5nIGFnYWluIGJ5IHJlbW92aW5nICItbWNtb2RlbD10aW55IiBpbgo+ID4g PiA+IGFyY2gvYXJtNjQva2VybmVsL3Zkc28vTWFrZWZpbGUKPiA+ID4gPiAKPiA+ID4gCj4gPiA+ IFdpdGggeW91ciBkZWZjb25maWcgSSBjYW4ndCBzdGlsbCByZXByb2R1Y2UgdGhlIHByb2JsZW0u IFdoaWNoIHZlcnNpb24gb2YKPiA+ID4gY2xhbmcKPiA+ID4gYXJlIHlvdSB1c2luZz8KPiA+IAo+ ID4gQ29tcGlsZXI6IGNsYW5nIHZlcnNpb24gNy4wLjEgKHRhZ3MvUkVMRUFTRV83MDEvZmluYWwp Cj4gPiAKPiAKPiBJIGFtIHVzaW5nIGNsYW5nIDguMC4wLiBDb3VsZCB5b3UgcGxlYXNlIHRyeSB3 aXRoIGl0IGFuZCBzZWUgaWYgdGhlIGlzc3VlIGdvZXMKPiBhd2F5PwoKTG9va3MgbGlrZSB0aGUg InRpbnkiIHdhcyBhZGRlZCBzaW5jZSBjbGFuZyA4LjAuCgpodHRwczovL3Jldmlld3MubGx2bS5v cmcvRDQ5Njc0CgpidXQgY2xhbmcgNy4wIGlzIHN0aWxsIHVzZSBpbiBtYW55IGRpc3Ryb3MgYnkg ZGVmYXVsdCwgc28gbWF5YmUgdGhpcyBjb21taXQgY2FuCmJlIGZpeGVkIGJ5IGFkZGluZyBhIGNv bmRpdGlvbmFsIGNoZWNrIHRvIHVzZSAic21hbGwiIGlmIGNsYW5nIHZlcnNpb24gPCA4LjAuCgo+ IAo+IFRoYW5rcywKPiBWaW5jZW56bwo+IAo+ID4gPiAKPiA+ID4gPiA+IAo+ID4gPiA+ID4gT24g bXkgZW52Ogo+ID4gPiA+ID4gCj4gPiA+ID4gPiAkIG1ha2UgbXJwcm9wZXIgJiYgbWFrZSBkZWZj b25maWcgJiYgbWFrZSBDQz1jbGFuZyBIT1NUQ0M9Y2xhbmcKPiA+ID4gPiA+IC1qJChucHJvYykK PiA+ID4gPiA+IAo+ID4gPiA+ID4gLi4uCj4gPiA+ID4gPiAKPiA+ID4gPiA+IGFyY2gvYXJtNjQv TWFrZWZpbGU6NTY6IENST1NTX0NPTVBJTEVfQ09NUEFUIGlzIGNsYW5nLCB0aGUgY29tcGF0IHZE U08KPiA+ID4gPiA+IHdpbGwKPiA+ID4gPiA+IG5vdAo+ID4gPiA+ID4gYmUgYnVpbHQKPiA+ID4g PiA+IAo+ID4gPiA+ID4gLi4uCj4gPiA+ID4gPiAKPiA+ID4gPiA+IMKgIExEU8KgwqDCoMKgwqBh cmNoL2FybTY0L2tlcm5lbC92ZHNvL3Zkc28ubGRzCj4gPiA+ID4gPiDCoCBBU8KgwqDCoMKgwqDC oGFyY2gvYXJtNjQva2VybmVsL3Zkc28vbm90ZS5vCj4gPiA+ID4gPiDCoCBBU8KgwqDCoMKgwqDC oGFyY2gvYXJtNjQva2VybmVsL3Zkc28vc2lncmV0dXJuLm8KPiA+ID4gPiA+IMKgIENDwqDCoMKg wqDCoMKgYXJjaC9hcm02NC9rZXJuZWwvdmRzby92Z2V0dGltZW9mZGF5Lm8KPiA+ID4gPiA+IMKg IExEwqDCoMKgwqDCoMKgYXJjaC9hcm02NC9rZXJuZWwvdmRzby92ZHNvLnNvLmRiZwo+ID4gPiA+ ID4gwqAgVkRTT0NISyBhcmNoL2FybTY0L2tlcm5lbC92ZHNvL3Zkc28uc28uZGJnCj4gPiA+ID4g PiDCoCBWRFNPU1lNIGluY2x1ZGUvZ2VuZXJhdGVkL3Zkc28tb2Zmc2V0cy5oCj4gPiA+ID4gPiAK PiA+ID4gPiA+IC4uLgo+ID4gPiA+ID4gCj4gPiA+ID4gPiDCoCBMRMKgwqDCoMKgwqDCoHZtbGlu dXgubwo+ID4gPiA+ID4gwqAgTU9EUE9TVCB2bWxpbnV4Lm8KPiA+ID4gPiA+IMKgIE1PRElORk8g bW9kdWxlcy5idWlsdGluLm1vZGluZm8KPiA+ID4gPiA+IMKgIEtTWU3CoMKgwqDCoC50bXBfa2Fs bHN5bXMxLm8KPiA+ID4gPiA+IMKgIEtTWU3CoMKgwqDCoC50bXBfa2FsbHN5bXMyLm8KPiA+ID4g PiA+IMKgIExEwqDCoMKgwqDCoMKgdm1saW51eAo+ID4gPiA+ID4gwqAgU09SVEVYwqDCoHZtbGlu dXgKPiA+ID4gPiA+IMKgIFNZU01BUMKgwqBTeXN0ZW0ubWFwCj4gPiA+ID4gPiDCoCBCdWlsZGlu ZyBtb2R1bGVzLCBzdGFnZSAyLgo+ID4gPiA+ID4gwqAgT0JKQ09QWSBhcmNoL2FybTY0L2Jvb3Qv SW1hZ2UKPiA+ID4gPiA+IMKgIE1PRFBPU1QgNDgzIG1vZHVsZXMKPiA+ID4gPiA+IAo+ID4gPiAK PiA+ID4gCj4gCj4gCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3Rz LmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5m by9saW51eC1hcm0ta2VybmVsCg==