Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 50 insertions, 0 deletions

diff --git a/arch/s390/include/asm/os_info.h b/arch/s390/include/asm/os_info.h
new file mode 100644
index 000000000000..d07518af09ea
--- /dev/null
+++ b/arch/s390/include/asm/os_info.h
@@ -0,0 +1,50 @@
+/*
+ * OS info memory interface
+ *
+ * Copyright IBM Corp. 2012
+ * Author(s): Michael Holzheu <holzheu@linux.vnet.ibm.com>
+ */
+#ifndef _ASM_S390_OS_INFO_H
+#define _ASM_S390_OS_INFO_H
+
+#define OS_INFO_VERSION_MAJOR	1
+#define OS_INFO_VERSION_MINOR	1
+#define OS_INFO_MAGIC		0x4f53494e464f535aULL /* OSINFOSZ */
+
+#define OS_INFO_VMCOREINFO	0
+#define OS_INFO_REIPL_BLOCK	1
+#define OS_INFO_INIT_FN		2
+
+struct os_info_entry {
+	u64	addr;
+	u64	size;
+	u32	csum;
+} __packed;
+
+struct os_info {
+	u64	magic;
+	u32	csum;
+	u16	version_major;
+	u16	version_minor;
+	u64	crashkernel_addr;
+	u64	crashkernel_size;
+	struct os_info_entry entry[3];
+	u8	reserved[4004];
+} __packed;
+
+void os_info_init(void);
+void os_info_entry_add(int nr, void *ptr, u64 len);
+void os_info_crashkernel_add(unsigned long base, unsigned long size);
+u32 os_info_csum(struct os_info *os_info);
+
+#ifdef CONFIG_CRASH_DUMP
+void *os_info_old_entry(int nr, unsigned long *size);
+int copy_from_oldmem(void *dest, void *src, size_t count);
+#else
+static inline void *os_info_old_entry(int nr, unsigned long *size)
+{
+	return NULL;
+}
+#endif
+
+#endif /* _ASM_S390_OS_INFO_H */