On Thu, Feb 12, 2015 at 8:11 AM, Jakub Jelinek <ja...@redhat.com> wrote: > On Thu, Feb 12, 2015 at 11:09:59AM -0500, Rich Felker wrote: >> On Thu, Feb 12, 2015 at 04:18:57PM +0100, Ulrich Weigand wrote: >> > Hello, >> > >> > we're running into a problem related to use of initial-exec access to >> > TLS variables in dynamically-loaded libraries. Now, in general, this >> > is actually not supported. However, there seems to an "inofficial" >> > extension that allows selected system libraries to use small amounts >> > of static TLS space to allow critical variables to be defined to use >> > the initial-exec model even in dynamically-loaded libraries. >> >> This usage is supposed to be deprecated. Why isn't libgomp using >> TLSDESC/gnu2 model? > > Because it is significantly slower.
And TLSDESC/gnu2 model isn't implemented for x32. There are no tests for TLSDESC/gnu2 model in glibc. I have no ideas if it works in glibc master on x86-32 or x86-64 today. -- H.J.
