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| author | Michal Marek <mmarek@suse.cz> | 2010-08-04 11:59:13 (GMT) |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2010-08-04 11:59:13 (GMT) |
| commit | 772320e84588dcbe1600ffb83e5f328f2209ac2a (patch) | |
| tree | a7de21b79340aeaa17c58126f6b801b82c77b53a /arch/sh/mm/cache.c | |
| parent | 1ce53adf13a54375d2a5c7cdbe341b2558389615 (diff) | |
| parent | 9fe6206f400646a2322096b56c59891d530e8d51 (diff) | |
| download | linux-fsl-qoriq-772320e84588dcbe1600ffb83e5f328f2209ac2a.tar.xz | |
Merge commit 'v2.6.35' into kbuild/kbuild
Conflicts:
arch/powerpc/Makefile
Diffstat (limited to 'arch/sh/mm/cache.c')
| -rw-r--r-- | arch/sh/mm/cache.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c index b8607fa..ba401d1 100644 --- a/arch/sh/mm/cache.c +++ b/arch/sh/mm/cache.c @@ -2,7 +2,7 @@ * arch/sh/mm/cache.c * * Copyright (C) 1999, 2000, 2002 Niibe Yutaka - * Copyright (C) 2002 - 2009 Paul Mundt + * Copyright (C) 2002 - 2010 Paul Mundt * * Released under the terms of the GNU GPL v2.0. */ @@ -41,8 +41,17 @@ static inline void cacheop_on_each_cpu(void (*func) (void *info), void *info, int wait) { preempt_disable(); - smp_call_function(func, info, wait); + + /* + * It's possible that this gets called early on when IRQs are + * still disabled due to ioremapping by the boot CPU, so don't + * even attempt IPIs unless there are other CPUs online. + */ + if (num_online_cpus() > 1) + smp_call_function(func, info, wait); + func(info); + preempt_enable(); } @@ -325,6 +334,13 @@ void __init cpu_cache_init(void) extern void __weak sh4_cache_init(void); sh4_cache_init(); + + if ((boot_cpu_data.type == CPU_SH7786) || + (boot_cpu_data.type == CPU_SHX3)) { + extern void __weak shx3_cache_init(void); + + shx3_cache_init(); + } } if (boot_cpu_data.family == CPU_FAMILY_SH5) { |