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8188764: Obsolete AssumeMP and then remove all support for non-MP builds

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Reviewed-by: mikael, mdoerr, bulasevich, eosterlund
This commit is contained in:
David Holmes 2018-10-03 03:41:57 -04:00
parent 5cfc3bbdd4
commit a3cd6a1a70
52 changed files with 465 additions and 774 deletions
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18
src/hotspot/share/runtime/interfaceSupport.inline.hpp
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@ -79,17 +79,15 @@ class InterfaceSupport: AllStatic {
private:
static void serialize_thread_state_internal(JavaThread* thread, bool needs_exception_handler) {
// Make sure new state is seen by VM thread
if (os::is_MP()) {
if (UseMembar) {
// Force a fence between the write above and read below
OrderAccess::fence();
if (UseMembar) {
// Force a fence between the write above and read below
OrderAccess::fence();
} else {
// store to serialize page so VM thread can do pseudo remote membar
if (needs_exception_handler) {
os::write_memory_serialize_page_with_handler(thread);
} else {
// store to serialize page so VM thread can do pseudo remote membar
if (needs_exception_handler) {
os::write_memory_serialize_page_with_handler(thread);
} else {
os::write_memory_serialize_page(thread);
}
os::write_memory_serialize_page(thread);
}
}
}