From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/14926 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Markus Wichmann Newsgroups: gmane.linux.lib.musl.general Subject: Re: [PATCH 0/6] updates for linux v5.3 Date: Tue, 12 Nov 2019 06:16:56 +0100 Message-ID: <20191112051656.GB10289@voyager> References: <20191110010802.GC25646@port70.net> <20191110061409.GM16318@brightrain.aerifal.cx> <20191110120253.GD25646@port70.net> <20191112030150.GQ16318@brightrain.aerifal.cx> Reply-To: musl@lists.openwall.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="193037"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Mutt/1.9.4 (2018-02-28) To: musl@lists.openwall.com Original-X-From: musl-return-14942-gllmg-musl=m.gmane.org@lists.openwall.com Tue Nov 12 06:17:17 2019 Return-path: Envelope-to: gllmg-musl@m.gmane.org Original-Received: from mother.openwall.net ([195.42.179.200]) by blaine.gmane.org with smtp (Exim 4.89) (envelope-from ) id 1iUOYG-000o29-QK for gllmg-musl@m.gmane.org; Tue, 12 Nov 2019 06:17:16 +0100 Original-Received: (qmail 3448 invoked by uid 550); 12 Nov 2019 05:17:09 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Original-Received: (qmail 3430 invoked from network); 12 Nov 2019 05:17:08 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1573535817; bh=H6Xux6V96JxgO0euSk5nou4rvYu65ce9BrmQrD/shOA=; h=X-UI-Sender-Class:Date:From:To:Subject:References:In-Reply-To; b=iSq+kXRN5v0fLauqqUIyeC1CQ2Yg/dD5lNe8rLp2/J+PuIMXPaiuYqHBgh3dwbsKb PW/89fipCNpzcPtFDXupf2MOnwtpK73HLc2m+CX598l64s2wLnQc25eEIwu32qcmIQ vU8eU/Q14jvb64ssy8TjP+aJcWwkB8VK/tG+srVg= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Content-Disposition: inline In-Reply-To: <20191112030150.GQ16318@brightrain.aerifal.cx> X-Provags-ID: V03:K1:63WCeYbN3tYnWQTzwW0InoVlajzloSkh6lTm8Jkbrkq5Ot1ZfDY bruXGkCY5FABCdeJNvakb9LMHOks8jXXj2s5AoBIeMHixhhCSw4gpexLtveyKMNjXU9iggY cKjKr0Ks+4spWb8MATH7THcFSg7zkhgplVsQL1mxj0dkncyFv85iKtTLbtmyLD9354XPtpR 4OlMdaYOCJnvxTG9bLE3g== X-UI-Out-Filterresults: notjunk:1;V03:K0:egxGQnKuvC0=:Boa/PHC27eexQVD29K9QUa HUFSdmOENkoxbDKWxM2wmlseCEwwknRsQieA8vwepWuXkA4cwln/ap3xRplu17y39K8PHAhG6 zc/kVhycZKFHGpwOf7qqz7rvqar7AedKTJWJbYzJVtLO5a9Msj2wj7IlFl4AzLv+CApelS1Ya 9VZa49eQX4pIaZ8O1VK1ZwWtGzi1CYiDSWrGIy7kMzKDb7Jzka9CyRD6RCKHoPcD5sl6Yx6/s E6NyefdXtipQBsS2uFBuhG5VvcKFkfMlwSSHQIJ4sXQsnYFftRC0xHwH+NL24zJnCEXUtWsJn gBpdX51Ry3QtS65/pKbdPjavXReGrK1Y/cMibvn1Her4u2EDkrQzGFH+XVCgRskvkbeo156VY TlXrabQKBP8k1vlHRCwVkec9HCHXAltsN6ndx5ctUj26TbZEFMWRXGMYK7YrBq+W9GDcs7w39 7uOxtRyuWlVzsjPOSKGh2WiO4XM2MiCjvgD1rIM1i8vRglz5GqiU76sc7fzlbXsH7sYJF9g+r hsrNR2a2CjQ1l00b1O1p1sPL2I63NQBKwlD1zYG7R1ZbGrvy3Jh5pl77lMBTMIbxRH6GfyJzq hi67RicPdaAhXlPkJjrFmZePjzjdRoeG0M6TSe36T9Bo46tJlSENp1eX+Em2eonoUU1Y6LJ2J 4hLXPvxmPYxReRpu/oXDenA3CEQTtf4HZfqyxCNMv75fPMikG2CkPB5eRe6ikOxjzm1d74GgL VBJ+Rs+Fufplkm2jwxQtxAYsVvyFcTJwC5W8fL0PX/Zpaw4yH4Gfhw3XMvur8WnpupuE9FAP Xref: news.gmane.org gmane.linux.lib.musl.general:14926 Archived-At: On Mon, Nov 11, 2019 at 10:01:50PM -0500, Rich Felker wrote: > I don't follow that line of reasoning; the alignment would potentially > differ, but the layout wouldn't, and that's why I initially suspected > they were doing this for alignment. In any case, the only arch without > at least 4-byte alignment is m68k, and it's not going to have a 64-bit > version. > Does the alignment even matter in this case? Any variable of this type passed to the kernel must be copied into kernel space, anyway. And there, the destination can be made to have any alignment the kernel authors should like to choose. So what does the alignment of the source matter? Ciao, Markus