diff options
Diffstat (limited to 'sys/dev/hwpmc/hwpmc_amd.c')
| -rw-r--r-- | sys/dev/hwpmc/hwpmc_amd.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/dev/hwpmc/hwpmc_amd.c b/sys/dev/hwpmc/hwpmc_amd.c index 6285f7f..280e80a 100644 --- a/sys/dev/hwpmc/hwpmc_amd.c +++ b/sys/dev/hwpmc/hwpmc_amd.c @@ -474,6 +474,11 @@ amd_allocate_pmc(int cpu, int ri, struct pmc *pm, return 0; } +#if __amd64__ + if (pd->pd_caps & PMC_CAP_INTERRUPT) + return EOPNOTSUPP; /* XXX avoid a processor double fault */ +#endif + #if DEBUG KASSERT(pd->pd_class == amd_pmc_class, ("[amd,%d] Unknown PMC class (%d)", __LINE__, pd->pd_class)); |
