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ANDROID: Disable CFI on trace hooks

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Disable CFI on trace hooks, as this improves some lmbench
microbenchmarks by as much as 12%.

Bug: 200542217
Change-Id: I6ad1d12047c4e69743ff94cf0ea8f70f5023c7da
Signed-off-by: Shaleen Agrawal <shalagra@codeaurora.org>
This commit is contained in:
Shaleen Agrawal
2021-09-24 11:28:26 -07:00
parent 38532a9f24
commit de7ca5e752
1 changed files with 2 additions and 2 deletions
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4
include/linux/tracepoint.h
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@@ -235,7 +235,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p)
extern int __traceiter_##name(data_proto); \ extern int __traceiter_##name(data_proto); \
DECLARE_STATIC_CALL(tp_func_##name, __traceiter_##name); \ DECLARE_STATIC_CALL(tp_func_##name, __traceiter_##name); \
extern struct tracepoint __tracepoint_##name; \ extern struct tracepoint __tracepoint_##name; \
static inline void trace_##name(proto) \ static inline void __nocfi trace_##name(proto) \
{ \ { \
if (static_key_false(&__tracepoint_##name.key)) \ if (static_key_false(&__tracepoint_##name.key)) \
__DO_TRACE(name, \ __DO_TRACE(name, \
@@ -300,7 +300,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p)
.unregfunc = _unreg, \ .unregfunc = _unreg, \
.funcs = NULL }; \ .funcs = NULL }; \
__TRACEPOINT_ENTRY(_name); \ __TRACEPOINT_ENTRY(_name); \
int __traceiter_##_name(void *__data, proto) \ int __nocfi __traceiter_##_name(void *__data, proto) \
{ \ { \
struct tracepoint_func *it_func_ptr; \ struct tracepoint_func *it_func_ptr; \
void *it_func; \ void *it_func; \