X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-ia64%2Fprocessor.h;h=b3bd58e806900053bc0e71870809ce86d7b1a16d;hb=6f91fe88e4e28b40b4f08d99e0ea6d17b70e9567;hp=09b99029ac1ac82ad3afe3a5063fd935ee4e6356;hpb=10379a25fee8ddc8698d2f6c54ccedd4664c2941;p=linux-2.6

diff --git a/include/asm-ia64/processor.h b/include/asm-ia64/processor.h
index 09b99029ac..b3bd58e806 100644
--- a/include/asm-ia64/processor.h
+++ b/include/asm-ia64/processor.h
@@ -50,7 +50,8 @@
 #define IA64_THREAD_PM_VALID	(__IA64_UL(1) << 2)	/* performance registers valid? */
 #define IA64_THREAD_UAC_NOPRINT	(__IA64_UL(1) << 3)	/* don't log unaligned accesses */
 #define IA64_THREAD_UAC_SIGBUS	(__IA64_UL(1) << 4)	/* generate SIGBUS on unaligned acc. */
-							/* bit 5 is currently unused */
+#define IA64_THREAD_MIGRATION	(__IA64_UL(1) << 5)	/* require migration
+							   sync at ctx sw */
 #define IA64_THREAD_FPEMU_NOPRINT (__IA64_UL(1) << 6)	/* don't log any fpswa faults */
 #define IA64_THREAD_FPEMU_SIGFPE  (__IA64_UL(1) << 7)	/* send a SIGFPE for fpswa faults */
 
@@ -180,7 +181,6 @@ DECLARE_PER_CPU(struct cpuinfo_ia64, cpu_info);
 #define local_cpu_data		(&__ia64_per_cpu_var(cpu_info))
 #define cpu_data(cpu)		(&per_cpu(cpu_info, cpu))
 
-extern void identify_cpu (struct cpuinfo_ia64 *);
 extern void print_cpu_info (struct cpuinfo_ia64 *);
 
 typedef struct {
@@ -559,6 +559,23 @@ ia64_eoi (void)
 
 #define cpu_relax()	ia64_hint(ia64_hint_pause)
 
+static inline int
+ia64_get_irr(unsigned int vector)
+{
+	unsigned int reg = vector / 64;
+	unsigned int bit = vector % 64;
+	u64 irr;
+
+	switch (reg) {
+	case 0: irr = ia64_getreg(_IA64_REG_CR_IRR0); break;
+	case 1: irr = ia64_getreg(_IA64_REG_CR_IRR1); break;
+	case 2: irr = ia64_getreg(_IA64_REG_CR_IRR2); break;
+	case 3: irr = ia64_getreg(_IA64_REG_CR_IRR3); break;
+	}
+
+	return test_bit(bit, &irr);
+}
+
 static inline void
 ia64_set_lrr0 (unsigned long val)
 {