MIPS R6 removed the BEQL instruction so do not try to emulate it
if the R2-to-R6 emulator is not present.
Signed-off-by: Markos Chandras <markos.chandras@xxxxxxxxxx>
---
arch/mips/kernel/branch.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c
index 5f2a168c37fd..539d059ba4fb 100644
--- a/arch/mips/kernel/branch.c
+++ b/arch/mips/kernel/branch.c
@@ -572,6 +572,10 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
*/
case beq_op:
case beql_op:
+ if (NO_R6EMU && insn.i_format.opcode == beql_op) {
+ ret = -SIGILL;
+ break;
+ }
if (regs->regs[insn.i_format.rs] ==
regs->regs[insn.i_format.rt]) {
epc = epc + 4 + (insn.i_format.simmediate << 2);
--
2.2.0
