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authorNamhyung Kim <namhyung@gmail.com>2010-09-15 10:04:29 +0900
committerIngo Molnar <mingo@elte.hu>2010-09-15 10:44:02 +0200
commit6abded71d730322df96c5b7f4ab952ffd5a0080d (patch)
treedc04c311ffc048d86ac3498a44160e6379160626
parent6376b2297502e72255b7eb2893c6044ad5a7b5f4 (diff)
downloadop-kernel-dev-6abded71d730322df96c5b7f4ab952ffd5a0080d.zip
op-kernel-dev-6abded71d730322df96c5b7f4ab952ffd5a0080d.tar.gz
kprobes: Remove __dummy_buf
Remove __dummy_buf which is needed for kallsyms_lookup only. use kallsysm_lookup_size_offset instead. Signed-off-by: Namhyung Kim <namhyung@gmail.com> Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> LKML-Reference: <1284512670-2369-5-git-send-email-namhyung@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/x86/kernel/kprobes.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index 05c20a4..e05952a 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes.c
@@ -230,9 +230,6 @@ static int recover_probed_instruction(kprobe_opcode_t *buf, unsigned long addr)
return 0;
}
-/* Dummy buffers for kallsyms_lookup */
-static char __dummy_buf[KSYM_NAME_LEN];
-
/* Check if paddr is at an instruction boundary */
static int __kprobes can_probe(unsigned long paddr)
{
@@ -241,7 +238,7 @@ static int __kprobes can_probe(unsigned long paddr)
struct insn insn;
kprobe_opcode_t buf[MAX_INSN_SIZE];
- if (!kallsyms_lookup(paddr, NULL, &offset, NULL, __dummy_buf))
+ if (!kallsyms_lookup_size_offset(paddr, NULL, &offset))
return 0;
/* Decode instructions */
@@ -1269,11 +1266,9 @@ static int __kprobes can_optimize(unsigned long paddr)
unsigned long addr, size = 0, offset = 0;
struct insn insn;
kprobe_opcode_t buf[MAX_INSN_SIZE];
- /* Dummy buffers for lookup_symbol_attrs */
- static char __dummy_buf[KSYM_NAME_LEN];
/* Lookup symbol including addr */
- if (!kallsyms_lookup(paddr, &size, &offset, NULL, __dummy_buf))
+ if (!kallsyms_lookup_size_offset(paddr, &size, &offset))
return 0;
/* Check there is enough space for a relative jump. */
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