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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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