src/os/linux/vm/os_linux.cpp

*** 1172,1188 ****
    // 4466587: glibc 2.2.x compiled w/o "--enable-kernel=2.4.0" (RH 7.0,
    //   SuSE 7.2, Debian) can not handle alternate signal stack correctly
    //   for initial thread if its stack size exceeds 6M. Cap it at 2M,
    //   in case other parts in glibc still assumes 2M max stack size.
    // FIXME: alt signal stack is gone, maybe we can relax this constraint?
- #ifndef IA64
-   if (stack_size > 2 * K * K) stack_size = 2 * K * K;
- #else
    // Problem still exists RH7.2 (IA64 anyway) but 2MB is a little small
!   if (stack_size > 4 * K * K) stack_size = 4 * K * K;
! #endif
! 
    // Try to figure out where the stack base (top) is. This is harder.
    //
    // When an application is started, glibc saves the initial stack pointer in
    // a global variable "__libc_stack_end", which is then used by system
    // libraries. __libc_stack_end should be pretty close to stack top. The
--- 1172,1184 ----
    // 4466587: glibc 2.2.x compiled w/o "--enable-kernel=2.4.0" (RH 7.0,
    //   SuSE 7.2, Debian) can not handle alternate signal stack correctly
    //   for initial thread if its stack size exceeds 6M. Cap it at 2M,
    //   in case other parts in glibc still assumes 2M max stack size.
    // FIXME: alt signal stack is gone, maybe we can relax this constraint?
    // Problem still exists RH7.2 (IA64 anyway) but 2MB is a little small
!   if (stack_size > 2 * K * K IA64_ONLY(*2))
!       stack_size = 2 * K * K IA64_ONLY(*2);
    // Try to figure out where the stack base (top) is. This is harder.
    //
    // When an application is started, glibc saves the initial stack pointer in
    // a global variable "__libc_stack_end", which is then used by system
    // libraries. __libc_stack_end should be pretty close to stack top. The
*** 4387,4406 ****
  int os::Linux::safe_cond_timedwait(pthread_cond_t *_cond, pthread_mutex_t *_mutex, const struct timespec *_abstime)
  {
     if (is_NPTL()) {
        return pthread_cond_timedwait(_cond, _mutex, _abstime);
     } else {
- #ifndef IA64
        // 6292965: LinuxThreads pthread_cond_timedwait() resets FPU control
        // word back to default 64bit precision if condvar is signaled. Java
        // wants 53bit precision.  Save and restore current value.
        int fpu = get_fpu_control_word();
- #endif // IA64
        int status = pthread_cond_timedwait(_cond, _mutex, _abstime);
- #ifndef IA64
        set_fpu_control_word(fpu);
- #endif // IA64
        return status;
     }
  }
  
  ////////////////////////////////////////////////////////////////////////////////
--- 4383,4398 ----