src/cpu/s390/vm/globals_s390.hpp

rev 12483 : 8172049: [s390] Implement "JEP 270: Reserved Stack Areas for Critical Sections".

*** 54,64 ****
  #define DEFAULT_STACK_YELLOW_PAGES   (2)
  #define DEFAULT_STACK_RED_PAGES      (1)
  // Java_java_net_SocketOutputStream_socketWrite0() uses a 64k buffer on the
  // stack. To pass stack overflow tests we need 20 shadow pages.
  #define DEFAULT_STACK_SHADOW_PAGES   (20 DEBUG_ONLY(+2))
! #define DEFAULT_STACK_RESERVED_PAGES (0)
  
  #define MIN_STACK_YELLOW_PAGES     DEFAULT_STACK_YELLOW_PAGES
  #define MIN_STACK_RED_PAGES        DEFAULT_STACK_RED_PAGES
  #define MIN_STACK_SHADOW_PAGES     DEFAULT_STACK_SHADOW_PAGES
  #define MIN_STACK_RESERVED_PAGES   (0)
--- 54,64 ----
  #define DEFAULT_STACK_YELLOW_PAGES   (2)
  #define DEFAULT_STACK_RED_PAGES      (1)
  // Java_java_net_SocketOutputStream_socketWrite0() uses a 64k buffer on the
  // stack. To pass stack overflow tests we need 20 shadow pages.
  #define DEFAULT_STACK_SHADOW_PAGES   (20 DEBUG_ONLY(+2))
! #define DEFAULT_STACK_RESERVED_PAGES (1)
  
  #define MIN_STACK_YELLOW_PAGES     DEFAULT_STACK_YELLOW_PAGES
  #define MIN_STACK_RED_PAGES        DEFAULT_STACK_RED_PAGES
  #define MIN_STACK_SHADOW_PAGES     DEFAULT_STACK_SHADOW_PAGES
  #define MIN_STACK_RESERVED_PAGES   (0)