diff options
Diffstat (limited to 'arch/powerpc/kernel/hw_breakpoint.c')
| -rw-r--r-- | arch/powerpc/kernel/hw_breakpoint.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c index 58ce3d37c2a3..2462cd7c565c 100644 --- a/arch/powerpc/kernel/hw_breakpoint.c +++ b/arch/powerpc/kernel/hw_breakpoint.c @@ -160,6 +160,9 @@ static int hw_breakpoint_validate_len(struct arch_hw_breakpoint *hw) /* DAWR region can't cross 512 bytes boundary */ if ((start_addr >> 9) != (end_addr >> 9)) return -EINVAL; + } else if (IS_ENABLED(CONFIG_PPC_8xx)) { + /* 8xx can setup a range without limitation */ + max_len = U16_MAX; } if (hw_len > max_len) @@ -328,13 +331,11 @@ int hw_breakpoint_handler(struct die_args *args) } info->type &= ~HW_BRK_TYPE_EXTRANEOUS_IRQ; - if (IS_ENABLED(CONFIG_PPC_8xx)) { - if (!dar_within_range(regs->dar, info)) - info->type |= HW_BRK_TYPE_EXTRANEOUS_IRQ; - } else { - if (!stepping_handler(regs, bp, info)) - goto out; - } + if (!dar_within_range(regs->dar, info)) + info->type |= HW_BRK_TYPE_EXTRANEOUS_IRQ; + + if (!IS_ENABLED(CONFIG_PPC_8xx) && !stepping_handler(regs, bp, info)) + goto out; /* * As a policy, the callback is invoked in a 'trigger-after-execute' |