ARM: 5866/1: arm ptrace: use unsigned types for kernel pt_regs
Make registers unsigned for kernel space. This is important for
example in the perf events where the PC is stored into a u64. We
don't want it sign extended so make the regs unsigned to prevent
casts throughout the kernel.
Signed-off-by: Jamie Iles <jamie.iles@picochip.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index bbecccd..eec6e89 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -97,9 +97,15 @@
* stack during a system call. Note that sizeof(struct pt_regs)
* has to be a multiple of 8.
*/
+#ifndef __KERNEL__
struct pt_regs {
long uregs[18];
};
+#else /* __KERNEL__ */
+struct pt_regs {
+ unsigned long uregs[18];
+};
+#endif /* __KERNEL__ */
#define ARM_cpsr uregs[16]
#define ARM_pc uregs[15]