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authorChris Zankel <chris@zankel.net>2013-02-23 19:35:57 -0800
committerChris Zankel <chris@zankel.net>2013-02-23 19:35:57 -0800
commitc50842df47970eab459f13490c152aac85fc02f2 (patch)
treed2933b4d9641067002ba6d662b0abf6ee3011375 /fs/block_dev.c
parentb0c438e642699f8c47b84de957f30cf586cdbebd (diff)
downloadlinaro-lsk-c50842df47970eab459f13490c152aac85fc02f2.tar.gz
xtensa: add support for TLS
The Xtensa architecture provides a global register called THREADPTR for the purpose of Thread Local Storage (TLS) support. This allows us to use a fairly simple implementation, keeping the thread pointer in the regset and simply saving and restoring it upon entering/exiting the from user space. Signed-off-by: Chris Zankel <chris@zankel.net>
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