diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2009-03-10 10:24:05 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2009-03-10 10:24:05 +0000 |
| commit | 7e9630563fb6f44e6f450f0fed6942a4bb889b43 (patch) | |
| tree | 73d854ff3245b3c896f0eed9dca4612d5b053f14 /arch/arm/mach-realview | |
| parent | 26e26f49192ff78ab41c6589a51302d69ea37cc9 (diff) | |
RealView: Flush the D-cache after initialising the SCU
On MP systems, the data loaded by CPU0 before the SCU was initialised
may not be visible to the other CPUs.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm/mach-realview')
| -rw-r--r-- | arch/arm/mach-realview/platsmp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c index fc926249b157..3d16b77c937c 100644 --- a/arch/arm/mach-realview/platsmp.c +++ b/arch/arm/mach-realview/platsmp.c @@ -254,6 +254,11 @@ void __init smp_prepare_cpus(unsigned int max_cpus) */ if (max_cpus > 1) { scu_enable(); + /* + * Ensure that the data accessed by CPU0 before the SCU was + * initialised is visible to the other CPUs. + */ + flush_cache_all(); poke_milo(); } } |