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 51E50C43458 for ; Wed, 1 Jul 2026 07:47:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=dEWtdTAHqA8hd6AGc7LBd9M+QPf+f5oKuJGFwhYdbIM=; b=fMvoQ6R9OCLGgHd3PxfqJXAUrX K/P+8QzznRjD6xUlsPYloke+Lmn2gfHstbDr1lfUNNw93O1AjpDR9K5FEPlk/CkYZU+6ujfM/SK6P FpQGR5XTZNx6B49ZH54No1fYFc5YFnuX6wk3tnQoFDFB8Rmq0R+TvXngOmElgk/5orhZ9C2b06k6Y lPXN8ffAuALv9nro5SYe98bvuGq9tqHW3er58shNSIeQVJDGqYptuum+1EFLY8NK5GNNWb/fYOEAS /3O3oMAw42j5v8fSJfgM7i2lLbH6JOuX7Kvq3/ZKet1YsAYIt5KwSvyCRAKTJR7rexzS0qidExt/+ LBVELYAg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wepfi-00000000wlt-3yLa; Wed, 01 Jul 2026 07:47:50 +0000 Received: from mx0a-0031df01.pphosted.com ([205.220.168.131]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wepfg-00000000wku-0FPF for linux-arm-kernel@lists.infradead.org; Wed, 01 Jul 2026 07:47:49 +0000 Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6615lYls025790 for ; Wed, 1 Jul 2026 07:47:47 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= dEWtdTAHqA8hd6AGc7LBd9M+QPf+f5oKuJGFwhYdbIM=; b=WY2RJu67VLHvQJ32 1OKJlZNJIXAJByudwZGbrQA9uRqrVfY/ixF77iI5yzwHe+hZBxp6KvNFcezUD24P PEvh54vbLG4Hegu9YXgz9DwuBxjAfz/Gpesnd2/UgmZc3kG768ZU+xyK5wjti5e9 qavcXa6+3jBA+ZWUmFO0GxjlSfnl+HzYPgSFfdECy/A/P2KbtTdOCDL1LhPDVVeB rnf82+KAtN/ztk0Db+esChQG0Pm0WJX5o+dYEexsbZCYm+6RsySEC/W3NsrDz/Ux JFNknuOMWBn4e+0SebBjqK9NxtbhImI8oCFmyZMHA4q+lvbyykjW9gNB685Ddrh4 VkCH8g== Received: from mail-qk1-f199.google.com (mail-qk1-f199.google.com [209.85.222.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4f4hbd3hsn-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Wed, 01 Jul 2026 07:47:47 +0000 (GMT) Received: by mail-qk1-f199.google.com with SMTP id af79cd13be357-91931144870so46082485a.1 for ; Wed, 01 Jul 2026 00:47:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1782892066; x=1783496866; darn=lists.infradead.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=dEWtdTAHqA8hd6AGc7LBd9M+QPf+f5oKuJGFwhYdbIM=; b=JFgYFNcbAdabxIdNYDeuz0i13mt8iux9t+ctA+XLnvOHnaaCzFi0k/k3ZmIWUcpVYd QfadF5a51PKrWlW2Pt+p0nC4w7PYCQs7lPoMazMgZq71IHWViQl84XDQcEbJwbzABzi0 RFLL94vMeC7Ft7lARcNKoerQhZ83rA90sHO1Y79cjFtOlsr77TMsvMjy+jK5b8sWourC QNKB5gotTz9t48z1Q/Uk/q+Tb704pGrcCo+WOX70hNzNWAVwVRStsLdLFFYvvgYoL7Y+ /KPW92+TK1PSyAVrTI2S6mIiN2enNRAIORf2yiXVJDITwTDEBqOYjZT316StA1rJBDQ1 KLzQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1782892066; x=1783496866; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=dEWtdTAHqA8hd6AGc7LBd9M+QPf+f5oKuJGFwhYdbIM=; b=gBfiKghi3zysZMsDfY/z9e0E1j5yZV2tXL07akMP7s7TN6SyTtdzK3F4WBoScNeaB8 pEuPzuqeJ/5ld/MxBho13KqE4nvP2HigY6FVElwxfu5+LKYZuTRAaKnGfJePxAM4Rg17 9766pSA5iqLZMlfbGxPSGzRy87cgxIlOCmbeQ/Opq1fOBtYJFev3Z65W/WfV/fYTxPZB Rp9HjL6U3r/MiKswr9CpR+6ZOkRFf4ywLyXc603+iYEkXZbvWKr4mmfs6BskuzYJa8e/ IdHjdn0DnDFwXKwggD92Gx3aA6AaRrPdFPBM5PjK9FkCCxxq8Ic8UHdMhj/2aesg+qOh R1kg== X-Forwarded-Encrypted: i=1; AFNElJ94lwStDIqeOWb9YIUHc2f+ydF+JcFGj8l46zfxA99nHEAQUD6C8mk+gzUN8nF1w1Qr8xeOd2EUYvLnhCjminjK@lists.infradead.org X-Gm-Message-State: AOJu0YwLeyLt0c/w6X+VOy29zFYDiIdQT2vqOgISDmdSucUAjmrH0WF9 H7YemfyR6FMyK4bt6Eu6vHqWH0xfOYMUwX683Rig4svB0tlYtaJq37X17MJv1pyPRAZfBUqpF8t Cje0pzvkYF+NeLK2XzY5Xgzs/vtyafkHNel27oxrImCvOdpLelOp5OEH/NqOvi5BDw8jlolaZoX +peg== X-Gm-Gg: AfdE7ck7D3LKpTipOwTlPfvUD7wiFkygrZ9Ln8A83J7lcZ/OG9z5OQsSXhQq7fvdypc ckAPYeYqZefPH7h0/UjCB/Y9DnRlISL02vTxx85Rjyh5ce3+iYuLqX27PSrePKdNw/7XN8vvUr+ /wduTikMi53yLIbD3JI5I+DLUWPO8JXZp8RDNNzMxjwY4g2FSy7Z6wEVC+t9LHU0mMsesha0h+k DZX1vRViVQ/Nx96fAUAN5QJEJinINQVvVvwY7N8S/MFHUABY1tSVqwub+SdBI3HX4Fif2CobzDc 1JZjCj5mLMNEx6C88C5O1VaYRctX/YJY5yDulBSUpfAMGuOvKzp8aINOHEboH1ZS1anlPMUEC3r g1jLTmL3iHjxQ8YFepC4pF829HlBvY664Ab6jCaPtDHrKknA9F/o1lMOirDyPaQ== X-Received: by 2002:a05:620a:370c:b0:92a:c203:471e with SMTP id af79cd13be357-92e781dd674mr78274785a.9.1782892066299; Wed, 01 Jul 2026 00:47:46 -0700 (PDT) X-Received: by 2002:a05:620a:370c:b0:92a:c203:471e with SMTP id af79cd13be357-92e781dd674mr78272185a.9.1782892065821; Wed, 01 Jul 2026 00:47:45 -0700 (PDT) Received: from [192.168.69.212] (88-187-86-199.subs.proxad.net. [88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-493be82fd71sm77510895e9.15.2026.07.01.00.47.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Jul 2026 00:47:42 -0700 (PDT) Message-ID: <0d210cc9-5565-47e9-904f-3e8dbd910d6f@oss.qualcomm.com> Date: Wed, 1 Jul 2026 09:47:32 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/9] vdso/gettimeofday: Validate system call existence for time() and gettimeofday() Content-Language: en-US To: =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= , Andy Lutomirski , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Russell King , Catalin Marinas , Will Deacon , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Thomas Bogendoerfer , Vincenzo Frascino , John Stultz , Stephen Boyd , "David S. Miller" , Andreas Larsson Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-mips@vger.kernel.org, Arnd Bergmann , linux-api@vger.kernel.org, sparclinux@vger.kernel.org References: <20260630-vdso-compat_32bit_time-v2-0-520d194640dd@linutronix.de> <20260630-vdso-compat_32bit_time-v2-2-520d194640dd@linutronix.de> From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= In-Reply-To: <20260630-vdso-compat_32bit_time-v2-2-520d194640dd@linutronix.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAxMDA3NyBTYWx0ZWRfX+gRk1nojOxbk o3SjcJAx2hIBed4dNynXwxJc9T54M3oUG9NNJVpfBxcBGmyKbMHeiR6CDVxe64uYie3CtWZHGrC Bz97sEotkkpwwOm9oUwLJpuVQC0wVyA= X-Authority-Analysis: v=2.4 cv=MpJiLWae c=1 sm=1 tr=0 ts=6a44c623 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=4s3hRJSeHn4rkQlkrse1kQ==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=M51BFTxLslgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=nV7M3V7dV4ZlPVs255YA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-ORIG-GUID: 4Q8PydBSAFzDsfvs14Jebgkf2LDEOlEp X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAxMDA3NyBTYWx0ZWRfX01zHVPPfWj2b 0UGyRFr4rNYPpwpIlFdSsNGVudIFVP5ndRxwmCWDPo1yjP37nzcA7eAMls6yKWTrB0Hp866oFcA pVNNDG4j6uFqWHht3WWpBdnXkCRdmWpuJYYih5z2cCu88ljXGIU4qmkkgcy3uKoEpmQIRZgLrRj CGVbN7tOwT7b3a4ygFOl4tIAM/2bQmBPSvW960eK/nw8r+hKvam74AUoPMklnZ8iDezuQim2df9 PCrc5P6V+DXfCtQ2eqRwGf9Sk6gPJ7OmJNGLefMhzTARbn7NzaUNmbF7lxHsh/mvzac+wSI5R4B p2zujO1eslKXB3ji+vqc2mrdO8R6/Mhf/k365VOmx6x4+/ghKtGy2mQ68cZXm2SyG4wnMwje4Ln KwfYxVgRcVdDHZHDh9F0u/zLcxJitZOqTUumAZIp1A8/f2FYzMvN/J+sTMNiyZJpwaxCQ0kcVzd fCvzdPHneQtyfnZl/pQ== X-Proofpoint-GUID: 4Q8PydBSAFzDsfvs14Jebgkf2LDEOlEp X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-01_01,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 priorityscore=1501 clxscore=1015 impostorscore=0 phishscore=0 adultscore=0 malwarescore=0 bulkscore=0 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607010077 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260701_004748_140424_C7048F0A X-CRM114-Status: GOOD ( 14.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 30/6/26 09:38, Thomas WeiÃschuh wrote: > Not all architectures have the system calls for time() and > gettimeofday(). When the system call is missing, the vDSO function > should also not be present. > > Validate that. > > Signed-off-by: Thomas Weißschuh > --- > lib/vdso/gettimeofday.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) Reviewed-by: Philippe Mathieu-Daudé