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authorTony Luck <tony.luck@intel.com>2005-05-17 15:53:14 -0700
committerTony Luck <tony.luck@intel.com>2005-05-17 15:53:14 -0700
commit325a479c4c110db278ef3361460a48c4093252cc (patch)
treebcfbf4d0647d9442045639a5c19da59d55190e81 /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)
downloadlinux-dev-325a479c4c110db278ef3361460a48c4093252cc.tar.xz
linux-dev-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.c5
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();
}
}