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| author | Ralf Baechle | 2006-04-05 10:45:47 +0200 |
|---|---|---|
| committer | Ralf Baechle | 2006-04-19 04:14:28 +0200 |
| commit | f088fc84f94c1a36943e28ad704a9a740a35f877 (patch) | |
| tree | 309add2d3fe666920a681985c36d55f731df9922 /arch/mips/kernel/process.c | |
| parent | [MIPS] MT: Improved multithreading support. (diff) | |
| download | kernel-qcow2-linux-f088fc84f94c1a36943e28ad704a9a740a35f877.tar.gz kernel-qcow2-linux-f088fc84f94c1a36943e28ad704a9a740a35f877.tar.xz kernel-qcow2-linux-f088fc84f94c1a36943e28ad704a9a740a35f877.zip | |
[MIPS] FPU affinity for MT ASE.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/process.c')
| -rw-r--r-- | arch/mips/kernel/process.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 8b393df460a2..199a06e873c6 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -185,6 +185,17 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp, childregs->cp0_status &= ~(ST0_CU2|ST0_CU1); clear_tsk_thread_flag(p, TIF_USEDFPU); +#ifdef CONFIG_MIPS_MT_FPAFF + /* + * FPU affinity support is cleaner if we track the + * user-visible CPU affinity from the very beginning. + * The generic cpus_allowed mask will already have + * been copied from the parent before copy_thread + * is invoked. + */ + p->thread.user_cpus_allowed = p->cpus_allowed; +#endif /* CONFIG_MIPS_MT_FPAFF */ + if (clone_flags & CLONE_SETTLS) ti->tp_value = regs->regs[7]; |