sparc: Use popc if possible for hweight routines.
Just like powerpc, we code patch at boot time.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h
index d1f1361..16d1545 100644
--- a/arch/sparc/kernel/entry.h
+++ b/arch/sparc/kernel/entry.h
@@ -42,6 +42,13 @@
extern void fpload(unsigned long *fpregs, unsigned long *fsr);
#else /* CONFIG_SPARC32 */
+struct popc_3insn_patch_entry {
+ unsigned int addr;
+ unsigned int insns[3];
+};
+extern struct popc_3insn_patch_entry __popc_3insn_patch,
+ __popc_3insn_patch_end;
+
extern void __init per_cpu_patch(void);
extern void __init sun4v_patch(void);
extern void __init boot_cpu_id_too_large(int cpu);