Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5fa9da50 authored May 13, 2016 by Russell King

ARM: get rid of horrible (unsigned int )(regs + 1)



Get rid of the horrible "*(unsigned int *)(regs + 1)" to get at the
parent context domain access register value, instead using the newly
introduced svc_pt_regs structure.

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>

parent e6a9dc61

arch/arm/include/asm/ptrace.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -25,6 +25,8 @@ struct svc_pt_regs {
		u32 unused;
		};

		#define to_svc_pt_regs(r) container_of(r, struct svc_pt_regs, regs)

		#define user_mode(regs) \
		(((regs)->ARM_cpsr & 0xf) == 0)

arch/arm/kernel/process.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -106,7 +106,7 @@ void __show_regs(struct pt_regs *regs)
		if (user_mode(regs))
		domain = DACR_UACCESS_ENABLE;
		else
		domain = (unsigned int )(regs + 1);
		domain = to_svc_pt_regs(regs)->dacr;
		#else
		domain = get_domain();
		#endif