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-rw-r--r--arch/Kconfig3
-rw-r--r--arch/s390/Kconfig1
-rw-r--r--arch/s390/include/asm/mutex.h2
-rw-r--r--arch/s390/include/asm/processor.h2
4 files changed, 2 insertions, 6 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 1feb169274fe..af2cc6eabcc7 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -286,9 +286,6 @@ config HAVE_PERF_USER_STACK_DUMP
286config HAVE_ARCH_JUMP_LABEL 286config HAVE_ARCH_JUMP_LABEL
287 bool 287 bool
288 288
289config HAVE_ARCH_MUTEX_CPU_RELAX
290 bool
291
292config HAVE_RCU_TABLE_FREE 289config HAVE_RCU_TABLE_FREE
293 bool 290 bool
294 291
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index dcc6ac2d8026..d3fa84070b82 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -102,7 +102,6 @@ config S390
102 select GENERIC_TIME_VSYSCALL_OLD 102 select GENERIC_TIME_VSYSCALL_OLD
103 select HAVE_ALIGNED_STRUCT_PAGE if SLUB 103 select HAVE_ALIGNED_STRUCT_PAGE if SLUB
104 select HAVE_ARCH_JUMP_LABEL if !MARCH_G5 104 select HAVE_ARCH_JUMP_LABEL if !MARCH_G5
105 select HAVE_ARCH_MUTEX_CPU_RELAX
106 select HAVE_ARCH_SECCOMP_FILTER 105 select HAVE_ARCH_SECCOMP_FILTER
107 select HAVE_ARCH_TRACEHOOK 106 select HAVE_ARCH_TRACEHOOK
108 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if 64BIT 107 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if 64BIT
diff --git a/arch/s390/include/asm/mutex.h b/arch/s390/include/asm/mutex.h
index 688271f5f2e4..458c1f7fbc18 100644
--- a/arch/s390/include/asm/mutex.h
+++ b/arch/s390/include/asm/mutex.h
@@ -7,5 +7,3 @@
7 */ 7 */
8 8
9#include <asm-generic/mutex-dec.h> 9#include <asm-generic/mutex-dec.h>
10
11#define arch_mutex_cpu_relax() barrier()
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 0eb37505cab1..ca7821f07260 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -198,6 +198,8 @@ static inline void cpu_relax(void)
198 barrier(); 198 barrier();
199} 199}
200 200
201#define arch_mutex_cpu_relax() barrier()
202
201static inline void psw_set_key(unsigned int key) 203static inline void psw_set_key(unsigned int key)
202{ 204{
203 asm volatile("spka 0(%0)" : : "d" (key)); 205 asm volatile("spka 0(%0)" : : "d" (key));