[PATCH] MIPS: Add microMIPS vdso support.

["Steven J. Hill" <sjhill@xxxxxxxx>]

From: Douglas Leung <douglas@xxxxxxxx>

Signed-off-by: Steven J. Hill <sjhill@xxxxxxxx>
---
 arch/mips/kernel/signal.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index f2c09cf..51d13c1 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -35,6 +35,7 @@
 #include <asm/war.h>
 #include <asm/vdso.h>
 #include <asm/dsp.h>
+#include <asm/inst.h>
 
 #include "signal-common.h"
 
@@ -518,7 +519,12 @@ static void handle_signal(unsigned long sig, siginfo_t *info,
 	sigset_t *oldset = sigmask_to_save();
 	int ret;
 	struct mips_abi *abi = current->thread.abi;
+#ifdef CONFIG_CPU_MICROMIPS
+	void *vdso = (void *)
+		((unsigned int)current->mm->context.vdso | MIPS_ISA_MODE);
+#else
 	void *vdso = current->mm->context.vdso;
+#endif
 
 	if (regs->regs[0]) {
 		switch(regs->regs[2]) {
-- 
1.7.11.1