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Diffstat (limited to 'arch/powerpc/kernel/hw_breakpoint.c')
-rw-r--r--arch/powerpc/kernel/hw_breakpoint.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c
index 53cc9270aac8..53b9c1dfd7d9 100644
--- a/arch/powerpc/kernel/hw_breakpoint.c
+++ b/arch/powerpc/kernel/hw_breakpoint.c
@@ -211,9 +211,11 @@ int hw_breakpoint_handler(struct die_args *args)
211 int rc = NOTIFY_STOP; 211 int rc = NOTIFY_STOP;
212 struct perf_event *bp; 212 struct perf_event *bp;
213 struct pt_regs *regs = args->regs; 213 struct pt_regs *regs = args->regs;
214#ifndef CONFIG_PPC_8xx
214 int stepped = 1; 215 int stepped = 1;
215 struct arch_hw_breakpoint *info;
216 unsigned int instr; 216 unsigned int instr;
217#endif
218 struct arch_hw_breakpoint *info;
217 unsigned long dar = regs->dar; 219 unsigned long dar = regs->dar;
218 220
219 /* Disable breakpoints during exception handling */ 221 /* Disable breakpoints during exception handling */
@@ -257,6 +259,7 @@ int hw_breakpoint_handler(struct die_args *args)
257 (dar - bp->attr.bp_addr < bp->attr.bp_len))) 259 (dar - bp->attr.bp_addr < bp->attr.bp_len)))
258 info->type |= HW_BRK_TYPE_EXTRANEOUS_IRQ; 260 info->type |= HW_BRK_TYPE_EXTRANEOUS_IRQ;
259 261
262#ifndef CONFIG_PPC_8xx
260 /* Do not emulate user-space instructions, instead single-step them */ 263 /* Do not emulate user-space instructions, instead single-step them */
261 if (user_mode(regs)) { 264 if (user_mode(regs)) {
262 current->thread.last_hit_ubp = bp; 265 current->thread.last_hit_ubp = bp;
@@ -280,6 +283,7 @@ int hw_breakpoint_handler(struct die_args *args)
280 perf_event_disable_inatomic(bp); 283 perf_event_disable_inatomic(bp);
281 goto out; 284 goto out;
282 } 285 }
286#endif
283 /* 287 /*
284 * As a policy, the callback is invoked in a 'trigger-after-execute' 288 * As a policy, the callback is invoked in a 'trigger-after-execute'
285 * fashion 289 * fashion