[PATCH 3.2 126/152] x86, tls: Interpret an all-zero struct user_desc as "no segment"

3.2.67-rc1 review patch. If anyone has any objections, please let me know. -- From: Andy Lutomirski commit 3669ef9fa7d35f573ec9c0e0341b29251c2734a7 upstream. The Witcher 2 did something like this to allocate a TLS segment index: struct user_desc u_info;

[PATCH 3.2 126/152] x86, tls: Interpret an all-zero struct user_desc as no segment

3.2.67-rc1 review patch. If anyone has any objections, please let me know. -- From: Andy Lutomirski l...@amacapital.net commit 3669ef9fa7d35f573ec9c0e0341b29251c2734a7 upstream. The Witcher 2 did something like this to allocate a TLS segment index: struct user_desc