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| author | Tony Luck <tony.luck@intel.com> | 2005-05-18 00:53:14 +0200 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2005-05-18 00:53:14 +0200 |
| commit | 325a479c4c110db278ef3361460a48c4093252cc (patch) | |
| tree | bcfbf4d0647d9442045639a5c19da59d55190e81 /arch/ppc/syslib/cpm2_pic.c | |
| parent | [IA64] Merge audit fix for fsyscalls with syscall-optimizations (diff) | |
| parent | [IA64] Fix convert_to_non_syscall() so gdb inferior calls work again (diff) | |
| download | linux-325a479c4c110db278ef3361460a48c4093252cc.tar.xz linux-325a479c4c110db278ef3361460a48c4093252cc.zip | |
Merge with temp tree to get David's gdb inferior calls patch
Diffstat (limited to 'arch/ppc/syslib/cpm2_pic.c')
| -rw-r--r-- | arch/ppc/syslib/cpm2_pic.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/ppc/syslib/cpm2_pic.c b/arch/ppc/syslib/cpm2_pic.c index 954b07fc1df3..c867be6981cb 100644 --- a/arch/ppc/syslib/cpm2_pic.c +++ b/arch/ppc/syslib/cpm2_pic.c @@ -107,6 +107,11 @@ static void cpm2_end_irq(unsigned int irq_nr) simr = &(cpm2_immr->im_intctl.ic_simrh); ppc_cached_irq_mask[word] |= 1 << bit; simr[word] = ppc_cached_irq_mask[word]; + /* + * Work around large numbers of spurious IRQs on PowerPC 82xx + * systems. + */ + mb(); } } |