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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 96BFEC48BD5 for ; Tue, 25 Jun 2019 15:17:13 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 66FAA2133F for ; Tue, 25 Jun 2019 15:17:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ZjuSK8K6"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=lca.pw header.i=@lca.pw header.b="L9rn1V1S" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 66FAA2133F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lca.pw Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Mime-Version:References:In-Reply-To: Date:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=3pTIPlU1OlTnzW6MaRtvZivzp9elE6mVMd8OaxVk2qE=; b=ZjuSK8K6SRcep1 TerC+TxOfyhe/UFa5GV8057kSGW0BGn45gytNeKrpjZSvnMNAFsn57V+Eq9yCMF/xlb4Fto+6aotm pCTvHCRC3ez+i1VeFnigxG9CWHlycJhXA4Gci2sppctFcJo52pt2i6sQS5dPU47ZKm423KKoXHCds /Jn6S1Zg28Kqlj843+Edh7qQmSpMK7eVtsU7ITSF/kvYsIiTWGjSyAeixzwG8zzDkI2GQ3JvuIXyz pU4sWaxOBW7njda5pLGzgmRxw7aV2361PHwUKSroeb//y9+yjWd13+/5CzhqvIzmJ0IiLKRAlYoVL Hj9kAvgfKffSzkF7YhLw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hfnBv-0000w8-Dd; Tue, 25 Jun 2019 15:17:03 +0000 Received: from mail-qk1-x742.google.com ([2607:f8b0:4864:20::742]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hfnBs-0000ut-0e for linux-arm-kernel@lists.infradead.org; Tue, 25 Jun 2019 15:17:01 +0000 Received: by mail-qk1-x742.google.com with SMTP id c70so12889049qkg.7 for ; Tue, 25 Jun 2019 08:16:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lca.pw; s=google; h=message-id:subject:from:to:cc:date:in-reply-to:references :mime-version:content-transfer-encoding; bh=4NtvWmE4JrZ5FShx6nRTt/UCFafrN+BqsW/lJlIwCwg=; b=L9rn1V1SG1l89CErBx/QIzYnWlycNIruF8cBoWG/I7PEdg3z5VU7d0DgoZe37hYsdu nuZeQQsxa0XI4WKzqjv+x4MeQnFneAT7WMuMT7VvAo30V0sd7icWLYuxRy4WnVsOLTBV gorl3Awk05rjv25Ig6snqGbQCayG0MoGPzRWmNEnpJQ6b8iwWoj5oltqGOCFe5hgo753 Wxv5oX+ciJ9y0bcx+eVXRzc0HBphP9tuvzDw3tQOt2gDSE32cxYVs9LUNC7qaa25840c lhoOgYojT9eADOcLnJTqIO0J39WqClORBz4KRjHfYSclB7c04kd8cbun2KLDuJKagIRL 00WQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:mime-version:content-transfer-encoding; bh=4NtvWmE4JrZ5FShx6nRTt/UCFafrN+BqsW/lJlIwCwg=; b=f7jj9bflKTGJ+Hw38Pb+WCPqhcZ9W0qbqxbVcHva3AO0oGvZw6+r/a1P0lrYtRWsD8 wz4tKHLYOl8nu1xiUPpTQCMeLaCvv7lya3OzvCCFz/pHjotN43o9F7k+KZ/Kz+NCEOHE wIy6vQ4vGVWQpKzQ9YjEG6G7WVxg+sAgsksIBkMQ62u39v1Xmh7+uBcIYjHXo2bLfxLl BPHkmWG7sqTimce2j9MCPilQd2WRVjzUVL6BQyjUzrTJdrZwpPxNlQnbG01jx0VevcYf NnHT/RS/oe4+HtoJNJ3WgLpSOv8qfeXPxAQ6YSeT7on8yV04MKC+UAnWfCttARGOvxTi pD6w== X-Gm-Message-State: APjAAAVRkrURpCQiabMEjN7KBuztvaNhMJRr4hFP4UpKV0yLRMuKcRHG OJfnGv4TPDWjl4wgesu+VyK33gXMVto= X-Google-Smtp-Source: APXvYqwAuZMz53yNfyz8jpAMbNiqXkFJrTHz4aJO4jGKE1byxnKGVeNd4q+/3ws+yFco2KAJ2jSxkQ== X-Received: by 2002:a37:ef18:: with SMTP id j24mr126326340qkk.293.1561475818759; Tue, 25 Jun 2019 08:16:58 -0700 (PDT) Received: from dhcp-41-57.bos.redhat.com (nat-pool-bos-t.redhat.com. [66.187.233.206]) by smtp.gmail.com with ESMTPSA id 16sm6911532qkl.100.2019.06.25.08.16.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 25 Jun 2019 08:16:58 -0700 (PDT) Message-ID: <1561475816.5154.75.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 11:16:56 -0400 In-Reply-To: <668bbe72-b32b-8cee-ccad-d1f6110c6728@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> <1561472887.5154.72.camel@lca.pw> <668bbe72-b32b-8cee-ccad-d1f6110c6728@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_081700_059353_F005A80B X-CRM114-Status: GOOD ( 11.61 ) 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 T24gVHVlLCAyMDE5LTA2LTI1IGF0IDE1OjU0ICswMTAwLCBWaW5jZW56byBGcmFzY2lubyB3cm90 ZToKPiBIaSBRaWFuLAo+IAo+IC4uLgo+IAo+ID4gCj4gPiBidXQgY2xhbmcgNy4wIGlzIHN0aWxs IHVzZSBpbiBtYW55IGRpc3Ryb3MgYnkgZGVmYXVsdCwgc28gbWF5YmUgdGhpcyBjb21taXQKPiA+ IGNhbgo+ID4gYmUgZml4ZWQgYnkgYWRkaW5nIGEgY29uZGl0aW9uYWwgY2hlY2sgdG8gdXNlICJz bWFsbCIgaWYgY2xhbmcgdmVyc2lvbiA8Cj4gPiA4LjAuCj4gPiAKPiAKPiBDb3VsZCB5b3UgcGxl YXNlIHZlcmlmeSB0aGF0IHRoZSBwYXRjaCBiZWxvdyB3b3JrcyBmb3IgeW91Pwo+IAo+IFRoYW5r cywKPiBWaW5jZW56bwo+IAo+IC0tLT44LS0tLQo+IAoKSXQgZG9lcyBub3Qgd29yayB1bmZvcnR1 bmF0ZWx5LgoKIyBtYWtlIENDPWNsYW5nIC1qIDI1NiAyPi90bXAvd2FybjMudHh0CsKgIEhPU1RD Q8KgwqBzY3JpcHRzL2Jhc2ljL2ZpeGRlcArCoCBIT1NUQ0PCoMKgc2NyaXB0cy9kdGMvZHRjLm8K wqAgSE9TVENDwqDCoHNjcmlwdHMvZHRjL2ZsYXR0cmVlLm8KwqAgSE9TVENDwqDCoHNjcmlwdHMv ZHRjL2ZzdHJlZS5vCsKgIEhPU1RDQ8KgwqBzY3JpcHRzL2R0Yy9kYXRhLm8KwqAgSE9TVENDwqDC oHNjcmlwdHMvZHRjL2xpdmV0cmVlLm8KwqAgSE9TVENDwqDCoHNjcmlwdHMvZHRjL3RyZWVzb3Vy Y2UubwrCoCBIT1NUQ0PCoMKgc2NyaXB0cy9kdGMvc3JjcG9zLm8KwqAgSE9TVENDwqDCoHNjcmlw dHMvZHRjL2NoZWNrcy5vCsKgIEhPU1RDQ8KgwqBzY3JpcHRzL2R0Yy91dGlsLm8KwqAgTEVYwqDC oMKgwqDCoHNjcmlwdHMvZHRjL2R0Yy1sZXhlci5sZXguYwrCoCBZQUNDwqDCoMKgwqBzY3JpcHRz L2R0Yy9kdGMtcGFyc2VyLnRhYi5oCsKgIFlBQ0PCoMKgwqDCoHNjcmlwdHMvZHRjL2R0Yy1wYXJz ZXIudGFiLmMKwqAgSE9TVENDwqDCoHNjcmlwdHMvZHRjL2R0Yy1wYXJzZXIudGFiLm8KwqAgSE9T VENDwqDCoHNjcmlwdHMvZHRjL2R0Yy1sZXhlci5sZXgubwrCoCBIT1NUTETCoMKgc2NyaXB0cy9k dGMvZHRjCsKgIEhPU1RDQ8KgwqBzY3JpcHRzL2thbGxzeW1zCsKgIEhPU1RDQ8KgwqBzY3JpcHRz L3JlY29yZG1jb3VudArCoCBIT1NUQ0PCoMKgc2NyaXB0cy9zb3J0ZXh0YWJsZQrCoCBEVEPCoMKg wqDCoMKgYXJjaC9hcm02NC9ib290L2R0cy9hcm0vZm91bmRhdGlvbi12OC5kdGIKwqAgRFRDwqDC oMKgwqDCoGFyY2gvYXJtNjQvYm9vdC9kdHMvYXJtL2ZvdW5kYXRpb24tdjgtcHNjaS5kdGIKwqAg RFRDwqDCoMKgwqDCoGFyY2gvYXJtNjQvYm9vdC9kdHMvYXJtL2ZvdW5kYXRpb24tdjgtZ2ljdjMu ZHRiCsKgIERUQ8KgwqDCoMKgwqBhcmNoL2FybTY0L2Jvb3QvZHRzL2FybS9mb3VuZGF0aW9uLXY4 LWdpY3YzLXBzY2kuZHRiCsKgIERUQ8KgwqDCoMKgwqBhcmNoL2FybTY0L2Jvb3QvZHRzL2FybS9q dW5vLmR0YgrCoCBEVEPCoMKgwqDCoMKgYXJjaC9hcm02NC9ib290L2R0cy9hcm0vanVuby1yMS5k dGIKwqAgRFRDwqDCoMKgwqDCoGFyY2gvYXJtNjQvYm9vdC9kdHMvYXJtL2p1bm8tcjIuZHRiCsKg IERUQ8KgwqDCoMKgwqBhcmNoL2FybTY0L2Jvb3QvZHRzL2FybS9ydHNtX3ZlLWFlbXY4YS5kdGIK wqAgRFRDwqDCoMKgwqDCoGFyY2gvYXJtNjQvYm9vdC9kdHMvYXJtL3ZleHByZXNzLXYyZi0xeHY3 LWNhNTN4Mi5kdGIKwqAgRFRDwqDCoMKgwqDCoGFyY2gvYXJtNjQvYm9vdC9kdHMvYXJtL2Z2cC1i YXNlLXJldmMuZHRiCsKgIERUQ8KgwqDCoMKgwqBhcmNoL2FybTY0L2Jvb3QvZHRzL2Nhdml1bS90 aHVuZGVyMi05OXh4LmR0YgrCoCBEVEPCoMKgwqDCoMKgYXJjaC9hcm02NC9ib290L2R0cy9oaXNp bGljb24vaGkzNjYwLWhpa2V5OTYwLmR0YgrCoCBEVEPCoMKgwqDCoMKgYXJjaC9hcm02NC9ib290 L2R0cy9oaXNpbGljb24vaGkzNjcwLWhpa2V5OTcwLmR0YgrCoCBEVEPCoMKgwqDCoMKgYXJjaC9h cm02NC9ib290L2R0cy9oaXNpbGljb24vaGkzNzk4Y3YyMDAtcG9wbGFyLmR0YgrCoCBEVEPCoMKg wqDCoMKgYXJjaC9hcm02NC9ib290L2R0cy9oaXNpbGljb24vaGk2MjIwLWhpa2V5LmR0YgrCoCBE VEPCoMKgwqDCoMKgYXJjaC9hcm02NC9ib290L2R0cy9oaXNpbGljb24vaGlwMDUtZDAyLmR0YgrC oCBEVEPCoMKgwqDCoMKgYXJjaC9hcm02NC9ib290L2R0cy9oaXNpbGljb24vaGlwMDYtZDAzLmR0 YgrCoCBEVEPCoMKgwqDCoMKgYXJjaC9hcm02NC9ib290L2R0cy9oaXNpbGljb24vaGlwMDctZDA1 LmR0YgrCoCBIT1NUQ0PCoMKgc2NyaXB0cy9tb2QvbWtfZWxmY29uZmlnCsKgIENDwqDCoMKgwqDC oMKgc2NyaXB0cy9tb2QvZGV2aWNldGFibGUtb2Zmc2V0cy5zCsKgIENDwqDCoMKgwqDCoMKgc2Ny aXB0cy9tb2QvZW1wdHkubwrCoCBNS0VMRsKgwqDCoHNjcmlwdHMvbW9kL2VsZmNvbmZpZy5oCsKg IEhPU1RDQ8KgwqBzY3JpcHRzL21vZC9tb2Rwb3N0Lm8KwqAgSE9TVENDwqDCoHNjcmlwdHMvbW9k L2ZpbGUyYWxpYXMubwrCoCBIT1NUQ0PCoMKgc2NyaXB0cy9tb2Qvc3VtdmVyc2lvbi5vCsKgIEhP U1RMRMKgwqBzY3JpcHRzL21vZC9tb2Rwb3N0CsKgIENDwqDCoMKgwqDCoMKga2VybmVsL2JvdW5k cy5zCsKgIENBTEzCoMKgwqDCoHNjcmlwdHMvYXRvbWljL2NoZWNrLWF0b21pY3Muc2gKwqAgQ0PC oMKgwqDCoMKgwqBhcmNoL2FybTY0L2tlcm5lbC9hc20tb2Zmc2V0cy5zCsKgIENBTEzCoMKgwqDC oHNjcmlwdHMvY2hlY2tzeXNjYWxscy5zaArCoCBMRFPCoMKgwqDCoMKgYXJjaC9hcm02NC9rZXJu ZWwvdmRzby92ZHNvLmxkcwrCoCBBU8KgwqDCoMKgwqDCoGFyY2gvYXJtNjQva2VybmVsL3Zkc28v bm90ZS5vCsKgIEFTwqDCoMKgwqDCoMKgYXJjaC9hcm02NC9rZXJuZWwvdmRzby9zaWdyZXR1cm4u bwrCoCBDQ8KgwqDCoMKgwqDCoGFyY2gvYXJtNjQva2VybmVsL3Zkc28vdmdldHRpbWVvZmRheS5v CsKgIExEwqDCoMKgwqDCoMKgYXJjaC9hcm02NC9rZXJuZWwvdmRzby92ZHNvLnNvLmRiZwrCoCBW RFNPQ0hLIGFyY2gvYXJtNjQva2VybmVsL3Zkc28vdmRzby5zby5kYmcKMDAwMDAwMDAwMDAwMDlk MCBSX0FBUkNINjRfSlVNUF9TTE9UwqDCoF9tY291bnQKCmFyY2gvYXJtNjQva2VybmVsL3Zkc28v dmRzby5zby5kYmc6IGR5bmFtaWMgcmVsb2NhdGlvbnMgYXJlIG5vdCBzdXBwb3J0ZWQKbWFrZVsx XTogKioqIFthcmNoL2FybTY0L2tlcm5lbC92ZHNvL01ha2VmaWxlOjU5OgphcmNoL2FybTY0L2tl cm5lbC92ZHNvL3Zkc28uc28uZGJnXSBFcnJvciAxCm1ha2U6ICoqKiBbYXJjaC9hcm02NC9NYWtl ZmlsZToxODA6IHZkc29fcHJlcGFyZV0gRXJyb3IgMgoKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0Cmxp bnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFk Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK