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8220051: Remove global safepoint code

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Reviewed-by: mdoerr, dcubed, eosterlund, bulasevich, coleenp
This commit is contained in:
Robbin Ehn 2020-04-01 14:54:44 +02:00
parent 8d84cf5a3b
commit bf41f548e1
86 changed files with 263 additions and 927 deletions
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14
src/hotspot/os/linux/os_linux.cpp
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@ -5271,20 +5271,6 @@ jint os::init_2(void) {
return JNI_OK;
}
// Mark the polling page as unreadable
void os::make_polling_page_unreadable(void) {
if (!guard_memory((char*)_polling_page, Linux::page_size())) {
fatal("Could not disable polling page");
}
}
// Mark the polling page as readable
void os::make_polling_page_readable(void) {
if (!linux_mprotect((char *)_polling_page, Linux::page_size(), PROT_READ)) {
fatal("Could not enable polling page");
}
}
// older glibc versions don't have this macro (which expands to
// an optimized bit-counting function) so we have to roll our own
#ifndef CPU_COUNT