diff options
| author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2009-12-14 19:23:03 +0100 |
|---|---|---|
| committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2009-12-14 19:23:03 +0100 |
| commit | 559300bc0ef7ccd541656f1189d38e7088389559 (patch) | |
| tree | cd1682881ca4246e9c5a1e8632be4bdd9d9706c6 /arch/mips/mti-malta/malta-amon.c | |
| parent | 5416bf33f92a4104dbcd6062bf377c8421ca3cfd (diff) | |
| parent | 22763c5cf3690a681551162c15d34d935308c8d7 (diff) | |
Merge commit 'v2.6.32'
Conflicts:
arch/avr32/mach-at32ap/include/mach/cpu.h
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 df9e526312a..469d9b0cee6 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); } |