From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/8610 Path: news.gmane.org!not-for-mail From: Jorge Almeida Newsgroups: gmane.linux.lib.musl.general Subject: Re: Re: linux/vt.h Date: Sat, 3 Oct 2015 09:51:35 -0700 Message-ID: References: <20151003122734.GA3258@localhost> <56100583.7090809@skarnet.org> Reply-To: musl@lists.openwall.com NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: ger.gmane.org 1443891110 32380 80.91.229.3 (3 Oct 2015 16:51:50 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 3 Oct 2015 16:51:50 +0000 (UTC) To: musl@lists.openwall.com Original-X-From: musl-return-8622-gllmg-musl=m.gmane.org@lists.openwall.com Sat Oct 03 18:51:50 2015 Return-path: Envelope-to: gllmg-musl@m.gmane.org Original-Received: from mother.openwall.net ([195.42.179.200]) by plane.gmane.org with smtp (Exim 4.69) (envelope-from ) id 1ZiQ2G-0001Rc-Vs for gllmg-musl@m.gmane.org; Sat, 03 Oct 2015 18:51:49 +0200 Original-Received: (qmail 7309 invoked by uid 550); 3 Oct 2015 16:51:46 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: Original-Received: (qmail 7291 invoked from network); 3 Oct 2015 16:51:46 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=Hm7UB84ifEuwah1hYI2NP7OsxS7wL9eQIFE9/kGlGJ8=; b=NmOLEK6+VY83lwPXWe78Zp+2RFfDS/FePJWP+PIxe20mW6fsqeyBm0LRx0Bxdl2s1l fX3mwc3qHcdvLQxnIRnE4rB5RojCHzDLyKccNFOJ26NTULZVzdMl5MTDvqXlZFbVw07S HkW2U+/oE9KP4udGl+csdRV454Cib6QK6Ez8LIeEOPa0tYdJPbrAkii6XfQ1nJr5sDc2 r/GhsiOVVzcYoeo5YODC+qgTiYvdppgdng2ccViww90DhD2IVUnHJWs+OEO2D5Ottas1 RoQvyJZsNMJpSYiSlDpwPZetMZJdb0JgHQpo+pV5soswcS69N3c1EbboCETiTDdluwAd RjNg== X-Received: by 10.112.140.197 with SMTP id ri5mr8082978lbb.65.1443891095213; Sat, 03 Oct 2015 09:51:35 -0700 (PDT) In-Reply-To: <56100583.7090809@skarnet.org> Xref: news.gmane.org gmane.linux.lib.musl.general:8610 Archived-At: On Sat, Oct 3, 2015 at 9:42 AM, Laurent Bercot wrote: > On 03/10/2015 15:01, Jorge Almeida wrote: >> >> Good question. Conventional wisdom states that one must keep the >> headers glibc was compiled against, not the headers of the current >> kernel, but the why is never explained. > > > AIUI, it's a question of ABI. Your applications are linked against > the libc, not against the kernel: it's important for applications > and the libc to have the same definitions, else there's no guarantee > they'll work together. Whereas the kernel/userspace ABI is supposed > to be stable, so it's not supposed to matter if the current kernel > has different headers than the ones the libc was compiled against. > Other people will correct me if I'm wrong. > Hi Laurent I understand that part. Stability of the ABI is a big deal for Linus, if I understand correctly. But one reads about "sanitized headers", and it's the "sanitized" vs. headers pure and simple that I don't understand. Jorge