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6902115: G1:assert(ignore_max_completed||thread->is_Java_thread()||SafepointSynchronize::is_at_safepoint())

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Remove invalid assert and mangle filler objects in TLABs that are being retired.

Reviewed-by: ysr, jmasa
This commit is contained in:
John Cuthbertson 2010-01-12 14:56:46 -08:00
parent c0174fb200
commit 0917ad432e
4 changed files with 29 additions and 24 deletions
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18
hotspot/src/share/vm/gc_interface/collectedHeap.hpp
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@ -127,14 +127,14 @@ class CollectedHeap : public CHeapObj {
static inline size_t filler_array_max_size();
DEBUG_ONLY(static void fill_args_check(HeapWord* start, size_t words);)
DEBUG_ONLY(static void zap_filler_array(HeapWord* start, size_t words);)
DEBUG_ONLY(static void zap_filler_array(HeapWord* start, size_t words, bool zap = true);)
// Fill with a single array; caller must ensure filler_array_min_size() <=
// words <= filler_array_max_size().
static inline void fill_with_array(HeapWord* start, size_t words);
static inline void fill_with_array(HeapWord* start, size_t words, bool zap = true);
// Fill with a single object (either an int array or a java.lang.Object).
static inline void fill_with_object_impl(HeapWord* start, size_t words);
static inline void fill_with_object_impl(HeapWord* start, size_t words, bool zap = true);
// Verification functions
virtual void check_for_bad_heap_word_value(HeapWord* addr, size_t size)
@ -338,14 +338,14 @@ class CollectedHeap : public CHeapObj {
return size_t(align_object_size(oopDesc::header_size()));
}
static void fill_with_objects(HeapWord* start, size_t words);
static void fill_with_objects(HeapWord* start, size_t words, bool zap = true);
static void fill_with_object(HeapWord* start, size_t words);
static void fill_with_object(MemRegion region) {
fill_with_object(region.start(), region.word_size());
static void fill_with_object(HeapWord* start, size_t words, bool zap = true);
static void fill_with_object(MemRegion region, bool zap = true) {
fill_with_object(region.start(), region.word_size(), zap);
}
static void fill_with_object(HeapWord* start, HeapWord* end) {
fill_with_object(start, pointer_delta(end, start));
static void fill_with_object(HeapWord* start, HeapWord* end, bool zap = true) {
fill_with_object(start, pointer_delta(end, start), zap);
}
// Some heaps may offer a contiguous region for shared non-blocking