diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2007-07-10 17:33:02 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-07-10 17:33:02 +0100 |
| commit | a36920200c5b89d56120a5e839fe4a603d51b16c (patch) | |
| tree | aefb1fc4b0792ef788024fa596954a5689f15d0a /include/asm-mips/system.h | |
| parent | d223a86154f8c66f5a380b17e1c8091d56f47cf8 (diff) | |
[MIPS] Enable support for the userlocal hardware register
Which will cut down the cost of RDHWR $29 which is used to obtain the
TLS pointer and so far being emulated in software down to a single cycle
operation.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips/system.h')
| -rw-r--r-- | include/asm-mips/system.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h index 9b3a8dd2c3db..be64fc55562a 100644 --- a/include/asm-mips/system.h +++ b/include/asm-mips/system.h @@ -67,6 +67,8 @@ do { \ (last) = resume(prev, next, task_thread_info(next)); \ if (cpu_has_dsp) \ __restore_dsp(current); \ + if (cpu_has_userlocal) \ + write_c0_userlocal(task_thread_info(current)->tp_value);\ } while(0) /* |