From: Arnaldo Carvalho de Melo <[email protected]> We will need it for atomic.h, so move it from the ad-hoc tools/perf/ place to a tools/ subset of the kernel arch/ hierarchy.
Cc: Adrian Hunter <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: David Ahern <[email protected]> Cc: Don Zickus <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/arch/xtensa/include/asm/barrier.h | 18 ++++++++++++++++++ tools/include/asm/barrier.h | 2 ++ tools/perf/MANIFEST | 1 + tools/perf/perf-sys.h | 3 --- 4 files changed, 21 insertions(+), 3 deletions(-) create mode 100644 tools/arch/xtensa/include/asm/barrier.h diff --git a/tools/arch/xtensa/include/asm/barrier.h b/tools/arch/xtensa/include/asm/barrier.h new file mode 100644 index 0000000..583800b --- /dev/null +++ b/tools/arch/xtensa/include/asm/barrier.h @@ -0,0 +1,18 @@ +/* + * Copied from the kernel sources to tools/: + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2001 - 2012 Tensilica Inc. + */ + +#ifndef _TOOLS_LINUX_XTENSA_SYSTEM_H +#define _TOOLS_LINUX_XTENSA_SYSTEM_H + +#define mb() ({ __asm__ __volatile__("memw" : : : "memory"); }) +#define rmb() barrier() +#define wmb() mb() + +#endif /* _TOOLS_LINUX_XTENSA_SYSTEM_H */ diff --git a/tools/include/asm/barrier.h b/tools/include/asm/barrier.h index d2ddca50..ccb2244 100644 --- a/tools/include/asm/barrier.h +++ b/tools/include/asm/barrier.h @@ -16,4 +16,6 @@ #include "../../arch/alpha/include/asm/barrier.h" #elif defined(__ia64__) #include "../../arch/ia64/include/asm/barrier.h" +#elif defined(__xtensa__) +#include "../../arch/xtensa/include/asm/barrier.h" #endif diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index 1b330dd..6d3c398 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -9,6 +9,7 @@ tools/arch/sparc/include/asm/barrier.h tools/arch/sparc/include/asm/barrier_32.h tools/arch/sparc/include/asm/barrier_64.h tools/arch/x86/include/asm/barrier.h +tools/arch/xtensa/include/asm/barrier.h tools/scripts tools/build tools/lib/traceevent diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h index 56edbe1..ebe228f 100644 --- a/tools/perf/perf-sys.h +++ b/tools/perf/perf-sys.h @@ -105,9 +105,6 @@ #endif #ifdef __xtensa__ -#define mb() asm volatile("memw" ::: "memory") -#define wmb() asm volatile("memw" ::: "memory") -#define rmb() asm volatile("" ::: "memory") #define CPUINFO_PROC {"core ID"} #endif -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
