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docs: Document USE_ELF_TLS can work on Windows too 

Reviewed-by: Jose Fonseca <jfonseca@vmware.com.>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9165>
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Jesse Natalie 2021-02-22 11:23:45 -08:00 committed by Marge Bot
parent ba141b95a7
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6
docs/dispatch.rst
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@ -152,6 +152,12 @@ Use of this path is controlled by the preprocessor define
``USE_ELF_TLS``. Any platform capable of using ELF TLS should use this
as the default dispatch method.
Windows has a similar concept, and beginning with Windows Vista, shared
libraries can take advantage of compiler-assisted TLS. This TLS data
has no fixed size and does not compete with API-based TLS (``TlsAlloc``)
for the limited number of slots available there, and so ``USE_ELF_TLS`` can
be used on Windows too, even though it's not truly ELF.
3.3. Assembly Language Dispatch Stubs
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~