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| author | James Morris <jmorris@macbook.(none)> | 2009-12-03 07:33:40 +0100 |
|---|---|---|
| committer | James Morris <jmorris@macbook.(none)> | 2009-12-03 07:33:40 +0100 |
| commit | c84d6efd363a3948eb32ec40d46bab6338580454 (patch) | |
| tree | 3ba7ac46e6626fe8ac843834588609eb6ccee5c6 /arch/mips/mti-malta/malta-amon.c | |
| parent | TOMOYO: Add recursive directory matching operator support. (diff) | |
| parent | Linux 2.6.32 (diff) | |
| download | linux-c84d6efd363a3948eb32ec40d46bab6338580454.tar.xz linux-c84d6efd363a3948eb32ec40d46bab6338580454.zip | |
Merge branch 'master' into next
Diffstat (limited to 'arch/mips/mti-malta/malta-amon.c')
| -rw-r--r-- | arch/mips/mti-malta/malta-amon.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/mips/mti-malta/malta-amon.c b/arch/mips/mti-malta/malta-amon.c index df9e526312a2..469d9b0cee6d 100644 --- a/arch/mips/mti-malta/malta-amon.c +++ b/arch/mips/mti-malta/malta-amon.c @@ -70,11 +70,12 @@ void amon_cpu_start(int cpu, launch->sp = sp; launch->a0 = a0; - /* Make sure target sees parameters before the go bit */ - smp_mb(); - + smp_wmb(); /* Target must see parameters before go */ launch->flags |= LAUNCH_FGO; + smp_wmb(); /* Target must see go before we poll */ + while ((launch->flags & LAUNCH_FGONE) == 0) ; + smp_rmb(); /* Target will be updating flags soon */ pr_debug("launch: cpu%d gone!\n", cpu); } |