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Subject[PATCH v5 3.1.0-rc4-tip 7/26] Uprobes: uprobes arch info

Introduce per uprobe arch info structure.
Used to store arch specific details. For example: details to handle
Rip relative instructions in X86_64.

Signed-off-by: Jim Keniston <jkenisto@us.ibm.com>
Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
---
include/linux/uprobes.h | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h
index 074c4e9..2548b94 100644
--- a/include/linux/uprobes.h
+++ b/include/linux/uprobes.h
@@ -29,7 +29,7 @@ struct vm_area_struct;
#ifdef CONFIG_ARCH_SUPPORTS_UPROBES
#include <asm/uprobes.h>
#else
-
+struct uprobe_arch_info {};
#define MAX_UINSN_BYTES 4
#endif

@@ -60,6 +60,7 @@ struct uprobe {
atomic_t ref;
struct rw_semaphore consumer_rwsem;
struct list_head pending_list;
+ struct uprobe_arch_info arch_info;
struct uprobe_consumer *consumers;
struct inode *inode; /* Also hold a ref to inode */
loff_t offset;

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