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Commit 01be057b authored by Douglas Leung's avatar Douglas Leung Committed by Ralf Baechle
Browse files

MIPS: microMIPS: Add vdso support. 



Support vdso in microMIPS mode.

Signed-off-by: default avatarDouglas Leung <Douglas.Leung@imgtec.com>
Signed-off-by: default avatarSteven J. Hill <Steven.Hill@imgtec.com>
parent 34c2f668

arch/mips/kernel/signal.c

+9 −0
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ 
#include <asm/war.h>

#include <asm/vdso.h>

#include <asm/dsp.h>

#include <asm/inst.h>



#include "signal-common.h"
@@ -480,7 +481,15 @@ 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;

	unsigned int tmp = (unsigned int)current->mm->context.vdso;



	set_isa16_mode(tmp);

	vdso = (void *)tmp;

#else

	void *vdso = current->mm->context.vdso;

#endif



	if (regs->regs[0]) {

		switch(regs->regs[2]) {