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Commit 8f20b20d authored by David S. Miller's avatar David S. Miller
Browse files

sparc64: Fix sparse warnings in global reg snapshotting. 



Lots of shadowed local variables and global_reg_snapshot[] needs
an extern declaration in asm/ptrace_64.h.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4845afac

arch/sparc/include/asm/ptrace_64.h

+3 −0
Original line number Diff line number Diff line
@@ -113,6 +113,8 @@ struct sparc_trapf { 


#ifdef __KERNEL__



#include <linux/threads.h>



static inline int pt_regs_trap_type(struct pt_regs *regs)

{

	return regs->magic & 0x1ff;
@@ -138,6 +140,7 @@ struct global_reg_snapshot { 
	struct thread_info	*thread;

	unsigned long		pad1;

};

extern struct global_reg_snapshot global_reg_snapshot[NR_CPUS];



#define __ARCH_WANT_COMPAT_SYS_PTRACE

arch/sparc64/kernel/process.c

+0 −2
Original line number Diff line number Diff line
@@ -215,7 +215,6 @@ static void __global_reg_self(struct thread_info *tp, struct pt_regs *regs, 
	global_reg_snapshot[this_cpu].o7 = regs->u_regs[UREG_I7];



	if (regs->tstate & TSTATE_PRIV) {

		struct thread_info *tp = current_thread_info();

		struct reg_window *rw;



		rw = (struct reg_window *)
@@ -271,7 +270,6 @@ void __trigger_all_cpu_backtrace(void) 


	for_each_online_cpu(cpu) {

		struct global_reg_snapshot *gp = &global_reg_snapshot[cpu];

		struct thread_info *tp;



		__global_reg_poll(gp);