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    Subject[PATCH v6 3.2-rc1 16/28] uprobes: Introduce uprobe_task_arch_info structure.

    uprobe_task_arch_info structure helps save and restore architecture
    specific artifacts at the probehit/singlestep/original instruction
    restore time.

    Signed-off-by: Jim Keniston <jkenisto@us.ibm.com>
    Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
    ---
    include/linux/uprobes.h | 2 ++
    1 files changed, 2 insertions(+), 0 deletions(-)

    diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h
    index 0882223..c1378a9 100644
    --- a/include/linux/uprobes.h
    +++ b/include/linux/uprobes.h
    @@ -31,6 +31,7 @@ struct vm_area_struct;
    #else
    typedef u8 uprobe_opcode_t;
    struct uprobe_arch_info {};
    +struct uprobe_task_arch_info {}; /* arch specific task info */
    #define MAX_UINSN_BYTES 4
    #endif

    @@ -84,6 +85,7 @@ struct uprobe_task {
    unsigned long vaddr;

    enum uprobe_task_state state;
    + struct uprobe_task_arch_info tskinfo;

    struct uprobe *active_uprobe;
    };


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