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Code Issues Releases Wiki Activity

uprobes/tracing: Kill the pointless seq_print_ip_sym() call 

seq_print_ip_sym(ip) in print_uprobe_event() is pointless,
kallsyms_lookup(ip) can not resolve a user-space address.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Tested-by: Anton Arapov <anton@redhat.com>
This commit is contained in:
Oleg Nesterov 2013-03-28 18:58:11 +01:00
parent 07720b63a9
commit 456fdbcb86
1 changed files with 1 additions and 7 deletions
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8
kernel/trace/trace_uprobe.c
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@ -531,13 +531,7 @@ print_uprobe_event(struct trace_iterator *iter, int flags, struct trace_event *e
field = (struct uprobe_trace_entry_head *)iter->ent;
tu = container_of(event, struct trace_uprobe, call.event);
if (!trace_seq_printf(s, "%s: (", tu->call.name))
goto partial;
if (!seq_print_ip_sym(s, field->ip, flags | TRACE_ITER_SYM_OFFSET))
goto partial;
if (!trace_seq_puts(s, ")"))
if (!trace_seq_printf(s, "%s: (0x%lx)", tu->call.name, field->ip))
goto partial;
data = (u8 *)&field[1];