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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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3
src/hotspot/os/linux/os_linux.cpp
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@ -267,8 +267,7 @@ pid_t os::Linux::gettid() {
// Most versions of linux have a bug where the number of processors are
// determined by looking at the /proc file system. In a chroot environment,
// the system call returns 1. This causes the VM to act as if it is
// a single processor and elide locking (see is_MP() call).
// the system call returns 1.
static bool unsafe_chroot_detected = false;
static const char *unstable_chroot_error = "/proc file system not found.\n"
"Java may be unstable running multithreaded in a chroot "