Re: Fast gettimeofday(2) and static linking

From: Konstantin Belousov <kostikbel_at_gmail.com>
Date: Mon, 28 Jan 2013 17:55:24 +0200
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, this
> > is due to my use of the weak reference to the __vdso* symbols in the
> > libc implementations.
> > 
> > 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.
> > 
> 
> Hi Konstantin,
> 
> 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.

Received on Mon Jan 28 2013 - 14:55:35 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:40:34 UTC