Messages in this thread Patch in this message | | | From | Jiri Olsa <> | Subject | [PATCH 1/8] hw_breakpoint: Pass bp_type directly as find_slot_idx argument | Date | Wed, 29 Nov 2017 09:38:46 +0100 |
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Passing bp_type directly as find_slot_idx argument, so we don't need to have whole event to get the breakpoint slot type. It will be used in following changes.
Signed-off-by: Jiri Olsa <jolsa@kernel.org> --- kernel/events/hw_breakpoint.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/kernel/events/hw_breakpoint.c b/kernel/events/hw_breakpoint.c index 3f8cb1e14588..395ca07965af 100644 --- a/kernel/events/hw_breakpoint.c +++ b/kernel/events/hw_breakpoint.c @@ -85,9 +85,9 @@ __weak int hw_breakpoint_weight(struct perf_event *bp) return 1; } -static inline enum bp_type_idx find_slot_idx(struct perf_event *bp) +static inline enum bp_type_idx find_slot_idx(u64 bp_type) { - if (bp->attr.bp_type & HW_BREAKPOINT_RW) + if (bp_type & HW_BREAKPOINT_RW) return TYPE_DATA; return TYPE_INST; @@ -122,7 +122,7 @@ static int task_bp_pinned(int cpu, struct perf_event *bp, enum bp_type_idx type) list_for_each_entry(iter, &bp_task_head, hw.bp_list) { if (iter->hw.target == tsk && - find_slot_idx(iter) == type && + find_slot_idx(iter->attr.bp_type) == type && (iter->cpu < 0 || cpu == iter->cpu)) count += hw_breakpoint_weight(iter); } @@ -292,7 +292,7 @@ static int __reserve_bp_slot(struct perf_event *bp) bp->attr.bp_type == HW_BREAKPOINT_INVALID) return -EINVAL; - type = find_slot_idx(bp); + type = find_slot_idx(bp->attr.bp_type); weight = hw_breakpoint_weight(bp); fetch_bp_busy_slots(&slots, bp, type); @@ -329,7 +329,7 @@ static void __release_bp_slot(struct perf_event *bp) enum bp_type_idx type; int weight; - type = find_slot_idx(bp); + type = find_slot_idx(bp->attr.bp_type); weight = hw_breakpoint_weight(bp); toggle_bp_slot(bp, false, type, weight); } -- 2.13.6
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