On Mon, 2014-04-28 at 12:06 +0530, Srikar Dronamraju wrote: > * Oleg Nesterov <[email protected]> [2014-04-27 18:52:30]: > > > Ignoring the "correction" logic riprel_pre_xol() and riprel_post_xol() > > are very similar but look quite differently. > > > > 1. Add the "UPROBE_FIX_RIP_AX | UPROBE_FIX_RIP_CX" check at the start > > of riprel_pre_xol(), like the same check in riprel_post_xol(). > > > > 2. Add the trivial scratch_reg() helper which returns the address of > > scratch register pre_xol/post_xol need to change. > > > > 3. Change these functions to use the new helper and avoid copy-and-paste > > under if/else branches. > > > > Signed-off-by: Oleg Nesterov <[email protected]> > > Acked-by: Srikar Dronamraju <[email protected]> > Reviewed-by: Jim Keniston <[email protected]>
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