Date: Mon, 28 Jan 2013 17:55:24 +0200 From: Konstantin Belousov <kostikbel@gmail.com> To: Marius Strobl <marius@alchemy.franken.de> Cc: current@freebsd.org Subject: Re: Fast gettimeofday(2) and static linking Message-ID: <20130128155524.GS2522@kib.kiev.ua> In-Reply-To: <20130128154516.GA59472@alchemy.franken.de> References: <20130125123554.GQ2522@kib.kiev.ua> <20130128154516.GA59472@alchemy.franken.de>
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--C4uhv81ga6KxT6iz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jan 28, 2013 at 04:45:17PM +0100, Marius Strobl wrote: > On Fri, Jan 25, 2013 at 02:35:54PM +0200, Konstantin Belousov wrote: > > Bruce Evans reported that statically linked binaries on HEAD an stable/9 > > use the syscall for gettimeofday(2) and clock_gettime(2). Apparently, t= his > > is due to my use of the weak reference to the __vdso* symbols in the > > libc implementations. > >=20 > > Patch below reworks the __vdso* attributes to only make the symbols > > weak, but keep the references strong. Since I have to add a stub for > > each architecture, I would like to ask non-x86 machines owners to test > > the patch. > >=20 >=20 > Hi Konstantin, >=20 > what's the appropriate way to test this? Please rebuild the world with the patch and check that gettimeofday(2) still works on your architecture, both for the static and dynamic binaries. I think that just booting multiuser is enough. --C4uhv81ga6KxT6iz Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iQIcBAEBAgAGBQJRBp9rAAoJEJDCuSvBvK1B1X8P/jPvPKfeInlIFAqtiSysjdes IVru+ZxJQPZu8nBJfg36vlCVbmj8B5d1fyEyrsd1RvgWYjpgJOaBQc3PtCvDpBgs r7ubus2aQjMkN+lxU0eHSv3KLua8e1KO2L7mJZ1eU0yzVCAuDn8FMN1/QIQBUpoo MJvgBeA2dlBHAiKr9/34vPhCtATq0dBlKY0lJK3QkSWE1MBQW9WaBsjkBf1XuHZr pk3gB/Qv4F7VYyItym96msGQi/U7nUl4l34f2pRrokPApeD6O26yp4v7ugVG6jTj ixXp8kjGD1bitHrD1aY7UVrfDvzAXSDPgwcHqsDfrHFxobypc+3Q1DgEm0PotkGX Ojuno21iCvJIxuvqjCHqbviRSLZVhRIO5mQuXIFfpZRZvFFrDZlh+rzILmVG+2NJ YvmAgVYBReIEZlxd35ptVihmk/RQwkYzjeYxGIgeYKoumdShKQAueIgRlID6V/yL GQrPwiNphyuVVNfVXhlUuUaYovoen/CeofigAbSa4n7Hwvdm/kk5q8/o5KAfsdjM 9pBbb2De0vM7ofZcXYGPjdhvNNrjGHWQ+v/Y71zAnZpz6RJZfVNA/BtlWYMN9lTA K9qIpWteXe1apqpLqk7kPNiSrVJNfwBh9KCbLs0RndEfOAkjkUKXTzcK8mJc8Fa+ 1x28vWDLHfX+McO+9508 =ffUX -----END PGP SIGNATURE----- --C4uhv81ga6KxT6iz--
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