Date: Thu, 25 Apr 2013 00:07:52 +0200 From: Jeremie Le Hen <jlh@FreeBSD.org> To: Mikolaj Golub <trociny@FreeBSD.org> Cc: svn-src-stable@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, svn-src-stable-9@freebsd.org Subject: Re: svn commit: r249734 - stable/9/sys/kern Message-ID: <20130424220752.GA2622@caravan.chchile.org> In-Reply-To: <201304211714.r3LHEo0R075715@svn.freebsd.org> References: <201304211714.r3LHEo0R075715@svn.freebsd.org>
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Hi Mikolaj, On Sun, Apr 21, 2013 at 05:14:50PM +0000, Mikolaj Golub wrote: > Author: trociny > Date: Sun Apr 21 17:14:50 2013 > New Revision: 249734 > URL: http://svnweb.freebsd.org/changeset/base/249734 > > Log: > MFC r249238, r249239: > > r249238: > > Use 4-byte padding for core dump notes on both 32 and 64bit archs. > > Although native word padding (i.e. 8-byte on 64bit arch) looks to be > in agreement with standards, other parts of our code and other OSes > use 4-byte alignment. > > This is not expected to change alignment for currently generated core > dump notes, as the notes look to consist of structures with sizes > multiple of 8 on 64-bit archs. But there are plans to add additional > notes, where 4-byte vs 8-byte alignment makes difference. > Sorry, I'm a little late, trying to catch up on emails. I'd say this deserves a comment. Even if you commit log clearly states the reason for this change, a casual reader may think it would be preferable to have native alignment and fix it without thinking of checking the SVN metadata. -- Jeremie Le Hen Scientists say the world is made up of Protons, Neutrons and Electrons. They forgot to mention Morons.
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