MIPS: fix kernel_stack_pointer()

MIPS always save kernel stack pointer in regs[29] Signed-off-by: Huang Pei <huangpei@loongson.cn> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
mariux64 · Feb 3, 2021 · a78ddac · a78ddac
1 parent 198688e
commit a78ddac
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
@@ -53,7 +53,7 @@ struct pt_regs {
 
 static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
 {
-	return regs->regs[31];
+	return regs->regs[29];
 }
 
 static inline void instruction_pointer_set(struct pt_regs *regs,