X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=include%2Fasm-mips%2Fsmtc.h;h=ff3e8936b493d8b7137ab991fe84fd9e1bdebc19;hb=522d8dc08b16deb51c128d544ab1cb9c621c950e;hp=e1941d1b8726b389f652a910600e2083351af8cc;hpb=a748422ee45725e04e1d3792fa19dfa90ddfd116;p=~andy%2Flinux

diff --git a/include/asm-mips/smtc.h b/include/asm-mips/smtc.h
index e1941d1b872..ff3e8936b49 100644
--- a/include/asm-mips/smtc.h
+++ b/include/asm-mips/smtc.h
@@ -34,6 +34,9 @@ typedef long asiduse;
 
 extern asiduse smtc_live_asid[MAX_SMTC_TLBS][MAX_SMTC_ASIDS];
 
+struct mm_struct;
+struct task_struct;
+
 void smtc_get_new_mmu_context(struct mm_struct *mm, unsigned long cpu);
 
 void smtc_flush_tlb_asid(unsigned long asid);
@@ -52,4 +55,14 @@ extern void smtc_boot_secondary(int cpu, struct task_struct *t);
 
 #define PARKED_INDEX	((unsigned int)0x80000000)
 
+/*
+ * Define low-level interrupt mask for IPIs, if necessary.
+ * By default, use SW interrupt 1, which requires no external
+ * hardware support, but which works only for single-core
+ * MIPS MT systems.
+ */
+#ifndef MIPS_CPU_IPI_IRQ
+#define MIPS_CPU_IPI_IRQ 1
+#endif
+
 #endif /*  _ASM_SMTC_MT_H */