RE: [Xen-devel] 46% performance drop with change in glibc

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

 > >It should be in the main tree. The appended patch was included some 
> >time ago, but I've never tested it to see whether it works since I 
> >don't generally run bleeding edge Fedora.
> >
> >Is there some piece of the patch missing?
> >
> No, it's all there.  Only part I needed was the change to 
> ld.so.conf.  
> So, anyone with FC4, you might want to make sure you have the 
> entry "hwcap 0 nosegneg".  It looks like the performance 
> regression has disappeared now.  Thanks all for you help.

Perhaps we should have the install script insert a file called
/etc/ld.so.conf.d/xen containing "hwcap 0 nosegneg" ?

Ian

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