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pmu: define event validation in architecture dependent code.

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Change-Id: Ia053af146ba3c89810892271cae93def6d9fd7c8
This commit is contained in:
TOIDA,Suguru
2019-07-09 13:38:26 +09:00
parent b6285c9aa9
commit 9c78d4d249
3 changed files with 3 additions and 2 deletions
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2
ihk

Submodule ihk updated: 9a15ade2ab...7880d7786a

2
kernel/syscall.c
View File

@@ -4103,7 +4103,7 @@ static int mc_perf_event_alloc(struct mc_perf_event **out,
goto out; goto out;
} }
if (val == 0) { if (!ihk_mc_validate_event(val)) {
ret = -ENOENT; ret = -ENOENT;
goto out; goto out;
} }

1
lib/include/ihk/cpu.h
View File

@@ -87,6 +87,7 @@ unsigned long ihk_mc_hw_event_map(unsigned long hw_event);
unsigned long ihk_mc_hw_cache_event_map(unsigned long hw_cache_event); unsigned long ihk_mc_hw_cache_event_map(unsigned long hw_cache_event);
unsigned long ihk_mc_hw_cache_extra_reg_map(unsigned long hw_cache_event); unsigned long ihk_mc_hw_cache_extra_reg_map(unsigned long hw_cache_event);
unsigned long ihk_mc_raw_event_map(unsigned long raw_event); unsigned long ihk_mc_raw_event_map(unsigned long raw_event);
int ihk_mc_validate_event(unsigned long hw_config);
/* returns the 'prev' argument of the call that caused the switch to the context returned. */ /* returns the 'prev' argument of the call that caused the switch to the context returned. */
void *ihk_mc_switch_context(ihk_mc_kernel_context_t *old_ctx, void *ihk_mc_switch_context(ihk_mc_kernel_context_t *old_ctx,