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hwpmc: don't reference domain index with no memory backing it

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On multi-socket the domain will be correctly set for a given CPU
regardless of whether or not NUMA is enabled.

Approved by:	sbruno
This commit is contained in:
mmacy 2018-05-14 06:11:25 +00:00
parent 58ce5b116e
commit 4c3dbe627d
1 changed files with 3 additions and 1 deletions
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4
sys/dev/hwpmc/hwpmc_logging.c
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@ -63,8 +63,10 @@ __FBSDID("$FreeBSD$");
#ifdef NUMA
#define NDOMAINS vm_ndomains
#define curdomain PCPU_GET(domain)
#else
#define NDOMAINS 1
#define curdomain 0
#define malloc_domain(size, type, domain, flags) malloc((size), (type), (flags))
#define free_domain(addr, type) free(addr, type)
#endif
@ -259,7 +261,7 @@ pmclog_get_buffer(struct pmc_owner *po)
KASSERT(po->po_curbuf[curcpu] == NULL,
("[pmclog,%d] po=%p current buffer still valid", __LINE__, po));
domain = PCPU_GET(domain);
domain = curdomain;
MPASS(pmc_dom_hdrs[domain]);
mtx_lock_spin(&pmc_dom_hdrs[domain]->pdbh_mtx);
if ((plb = TAILQ_FIRST(&pmc_dom_hdrs[domain]->pdbh_head)) != NULL)