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Re: glibc - capaibility control mechanism



On Fri, Apr 01, 2005 at 03:29:06PM -0500, Daniel Jacobowitz wrote:
> On Fri, Apr 01, 2005 at 08:57:56PM +0200, Bastian Blank wrote:
> > On Fri, Apr 01, 2005 at 01:27:26PM -0500, Daniel Jacobowitz wrote:
> > > On Fri, Apr 01, 2005 at 07:11:04PM +0200, Bastian Blank wrote:
> > > > So? Than please show me how to ask it to enable sse optimized libs and
> > > > disable tls.
> > > Debian doesn't offer a way to do this for libc, because we only ship
> > > SSE optimized libraries which use TLS.  If we did ship them, then
> > > LD_ASSUME_KERNEL=2.4 would work fine.  That disables TLS, but not
> > > hardware capabilities.
> > This does not answer the question.
> What does it not answer?  Your answer is:
>   export LD_ASSUME_KERNEL=2.4

This is a sideeffect; I asked for disabling tls, not forceing the ld.so
to remove it because the assumed kernel does not support it. As it is
defined as a hwcap entry, either the default mask machanism is able to
do that or I have to assume that it does not work.

>                        it will not disable SSE.

SSE is masked off by default, I asked for how to enable it.

Bastian

-- 
He's dead, Jim.
		-- McCoy, "The Devil in the Dark", stardate 3196.1

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