Commit-ID: cbd9d9f114f9e5931ba199f4450667656b892f32 Gitweb: https://git.kernel.org/tip/cbd9d9f114f9e5931ba199f4450667656b892f32 Author: Jiri Olsa <jo...@kernel.org> AuthorDate: Mon, 12 Mar 2018 14:45:41 +0100 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Tue, 13 Mar 2018 06:56:07 +0100
hw_breakpoint: Pass bp_type directly as find_slot_idx() argument Pass bp_type directly as a 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 <jo...@kernel.org> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com> Cc: Arnaldo Carvalho de Melo <a...@redhat.com> Cc: David Ahern <dsah...@gmail.com> Cc: Frederic Weisbecker <fweis...@gmail.com> Cc: Hari Bathini <hbath...@linux.vnet.ibm.com> Cc: Jin Yao <yao....@linux.intel.com> Cc: Jiri Olsa <jo...@redhat.com> Cc: Kan Liang <kan.li...@intel.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Michael Ellerman <m...@ellerman.id.au> Cc: Milind Chabbi <chabbi.mil...@gmail.com> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Oleg Nesterov <onest...@redhat.com> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Sukadev Bhattiprolu <suka...@linux.vnet.ibm.com> Cc: Thomas Gleixner <t...@linutronix.de> Cc: Will Deacon <will.dea...@arm.com> Link: http://lkml.kernel.org/r/20180312134548.31532-2-jo...@kernel.org Signed-off-by: Ingo Molnar <mi...@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); }
