diff options
| author | Akira Takeuchi <takeuchi.akr@jp.panasonic.com> | 2010-10-27 17:28:52 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2010-10-27 17:28:52 +0100 |
| commit | 278d91c4609d55202c1e63d5fc5f01466cc7bbab (patch) | |
| tree | 8b0c863837508959430c1741e2e5a2d37d2890d4 /arch/mn10300/kernel/asm-offsets.c | |
| parent | 965ea4bbb9ae926358273368144ba838c561bc38 (diff) | |
MN10300: Make the FPU operate in non-lazy mode under SMP
Make the FPU operate in non-lazy mode under SMP so that when the process that
is currently using the FPU migrates to a different CPU, we don't have to ping
its previous CPU to flush the FPU context.
Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: Kiyoshi Owada <owada.kiyoshi@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch/mn10300/kernel/asm-offsets.c')
| -rw-r--r-- | arch/mn10300/kernel/asm-offsets.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/mn10300/kernel/asm-offsets.c b/arch/mn10300/kernel/asm-offsets.c index 02dc7e461fe..78e290e342f 100644 --- a/arch/mn10300/kernel/asm-offsets.c +++ b/arch/mn10300/kernel/asm-offsets.c @@ -67,6 +67,15 @@ void foo(void) OFFSET(THREAD_A3, thread_struct, a3); OFFSET(THREAD_USP, thread_struct, usp); OFFSET(THREAD_FRAME, thread_struct, __frame); +#ifdef CONFIG_FPU + OFFSET(THREAD_FPU_FLAGS, thread_struct, fpu_flags); + OFFSET(THREAD_FPU_STATE, thread_struct, fpu_state); + DEFINE(__THREAD_USING_FPU, THREAD_USING_FPU); + DEFINE(__THREAD_HAS_FPU, THREAD_HAS_FPU); +#endif /* CONFIG_FPU */ + BLANK(); + + OFFSET(TASK_THREAD, task_struct, thread); BLANK(); DEFINE(CLONE_VM_asm, CLONE_VM); |