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uprobes: get rid of enum uprobe_filter_ctx in uprobe filter callbacks

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It serves no purpose beyond adding unnecessray argument passed to the
filter callback. Just get rid of it, no one is actually using it.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Link: https://lore.kernel.org/r/20240903174603.3554182-4-andrii@kernel.org
This commit is contained in:
Andrii Nakryiko
2024-09-03 10:45:58 -07:00
committed by Peter Zijlstra
parent 8617408f7a
commit 59da880afe
4 changed files with 12 additions and 28 deletions
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kernel/trace/bpf_trace.c
+1 -2
View File
@@ -3320,8 +3320,7 @@ static int uprobe_prog_run(struct bpf_uprobe *uprobe,
}
static bool
uprobe_multi_link_filter(struct uprobe_consumer *con, enum uprobe_filter_ctx ctx,
struct mm_struct *mm)
uprobe_multi_link_filter(struct uprobe_consumer *con, struct mm_struct *mm)
{
struct bpf_uprobe *uprobe;
kernel/trace/trace_uprobe.c
+3 -6
View File
@@ -1078,9 +1078,7 @@ print_uprobe_event(struct trace_iterator *iter, int flags, struct trace_event *e
return trace_handle_return(s);
}
typedef bool (*filter_func_t)(struct uprobe_consumer *self,
enum uprobe_filter_ctx ctx,
struct mm_struct *mm);
typedef bool (*filter_func_t)(struct uprobe_consumer *self, struct mm_struct *mm);
static int trace_uprobe_enable(struct trace_uprobe *tu, filter_func_t filter)
{
@@ -1339,8 +1337,7 @@ static int uprobe_perf_open(struct trace_event_call *call,
return err;
}
static bool uprobe_perf_filter(struct uprobe_consumer *uc,
enum uprobe_filter_ctx ctx, struct mm_struct *mm)
static bool uprobe_perf_filter(struct uprobe_consumer *uc, struct mm_struct *mm)
{
struct trace_uprobe_filter *filter;
struct trace_uprobe *tu;
@@ -1426,7 +1423,7 @@ static void __uprobe_perf_func(struct trace_uprobe *tu,
static int uprobe_perf_func(struct trace_uprobe *tu, struct pt_regs *regs,
struct uprobe_cpu_buffer **ucbp)
{
if (!uprobe_perf_filter(&tu->consumer, 0, current->mm))
if (!uprobe_perf_filter(&tu->consumer, current->mm))
return UPROBE_HANDLER_REMOVE;
if (!is_ret_probe(tu))