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(unw_set_caching_policy): If caching-policy didn't change, return

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early.  Always flush cache after changing the policy.
	This is to ensure that the per-thread cache gets initialized
	and no stale info remains.

(Logical change 1.118)
This commit is contained in:
hp.com!davidm 2003-11-22 06:21:26 +00:00
parent 2245be9d9b
commit 8b3248c32e
1 changed files with 6 additions and 4 deletions
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8
src/ia64/set_caching_policy-ia64.c
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@ -35,10 +35,12 @@ unw_set_caching_policy (unw_addr_space_t as, unw_caching_policy_t policy)
if (policy == UNW_CACHE_PER_THREAD) if (policy == UNW_CACHE_PER_THREAD)
policy = UNW_CACHE_GLOBAL; policy = UNW_CACHE_GLOBAL;
#endif #endif
if (policy == as->caching_policy)
return 0; /* no change */
as->caching_policy = policy; as->caching_policy = policy;
/* Ensure caches are empty (and initialized). */
if (policy == UNW_CACHE_NONE)
unw_flush_cache (as, 0, 0); unw_flush_cache (as, 0, 0);
return 0; return 0;
} }