Merge pull request #7425 from hjelmn/opal_atomics_clean_out_s390_as_it_is_not_supported

opal/atomic: clean out s390(x)

Author: gpaulsen

config/opal_config_asm.m4

@@ -17,6 +17,7 @@ dnl Copyright (c) 2014-2018 Los Alamos National Security, LLC. All rights
 dnl                         reserved.
 dnl Copyright (c) 2017      Amazon.com, Inc. or its affiliates.  All Rights
 dnl                         reserved.
+dnl Copyright (c) 2020      Google, LLC. All rights reserved.
 dnl $COPYRIGHT$
 dnl
 dnl Additional copyrights may follow
@@ -1259,19 +1260,6 @@ AC_DEFUN([OPAL_CONFIG_ASM],[
             fi
             OPAL_GCC_INLINE_ASSIGN='"1: li %0,0" : "=&r"(ret)'
             ;;
-        # There is no current difference between s390 and s390x
-        # But use two different defines in case some come later
-        # as s390 is 31bits while s390x is 64bits
-        s390-*)
-            opal_cv_asm_arch="S390"
-            OPAL_CHECK_SYNC_BUILTINS([opal_cv_asm_builtin="BUILTIN_SYNC"],
-              [AC_MSG_ERROR([No atomic primitives available for $host])])
-            ;;
-        s390x-*)
-            opal_cv_asm_arch="S390X"
-            OPAL_CHECK_SYNC_BUILTINS([opal_cv_asm_builtin="BUILTIN_SYNC"],
-              [AC_MSG_ERROR([No atomic primitives available for $host])])
-            ;;
         sparc*-*)
             # SPARC v9 (and above) are the only ones with 64bit support
             # if compiling 32 bit, see if we are v9 (aka v8plus) or

opal/include/opal/sys/architecture.h

@@ -15,6 +15,7 @@
  *                         reserved.
  * Copyright (c) 2017      Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
+ * Copyright (c) 2020      Google, LLC. All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -42,8 +43,6 @@
 #define OPAL_MIPS           0070
 #define OPAL_ARM            0100
 #define OPAL_ARM64          0101
-#define OPAL_S390           0110
-#define OPAL_S390X          0111
 #define OPAL_BUILTIN_SYNC   0200
 #define OPAL_BUILTIN_GCC    0202
 #define OPAL_BUILTIN_NO     0203

opal/include/opal/sys/cma.h

@@ -4,6 +4,7 @@
  *                         reserved.
  * Copyright (c) 2017      Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
+ * Copyright (c) 2020      Google, LLC. All rights reserved.
  * $COPYRIGHT$
  */
 
@@ -82,16 +83,6 @@
 
 #endif
 
-#elif OPAL_ASSEMBLY_ARCH == OPAL_S390
-
-#define __NR_process_vm_readv	340
-#define __NR_process_vm_writev	341
-
-#elif OPAL_ASSEMBLY_ARCH == OPAL_S390X
-
-#define __NR_process_vm_readv	340
-#define __NR_process_vm_writev	341
-
 #else
 #error "Unsupported architecture for process_vm_readv and process_vm_writev syscalls"
 #endif