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authorIngo Molnar <mingo@kernel.org>2020-02-24 13:36:09 +0300
committerIngo Molnar <mingo@kernel.org>2020-02-24 13:36:09 +0300
commit546121b65f47384e11ec1fa2e55449fc9f4846b2 (patch)
tree8f18470ec7c0c77b0f48eb1b2338e591b0b0aaff /arch/powerpc/kernel/hw_breakpoint.c
parent000619680c3714020ce9db17eef6a4a7ce2dc28b (diff)
parentf8788d86ab28f61f7b46eb6be375f8a726783636 (diff)
downloadlinux-546121b65f47384e11ec1fa2e55449fc9f4846b2.tar.xz
Merge tag 'v5.6-rc3' into sched/core, to pick up fixes and dependent patches
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/kernel/hw_breakpoint.c')
-rw-r--r--arch/powerpc/kernel/hw_breakpoint.c15
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'