* Ravi Bangoria <ravi.bangoria@xxxxxxxxxxxxx> [2018-08-09 09:48:55]: > We assume to have only one reference counter for one uprobe. > Don't allow user to add multiple trace_uprobe entries having > same inode+offset but different reference counter. > > Ex, > # echo "p:sdt_tick/loop2 /home/ravi/tick:0x6e4(0x10036)" > uprobe_events > # echo "p:sdt_tick/loop2_1 /home/ravi/tick:0x6e4(0xfffff)" >> uprobe_events > bash: echo: write error: Invalid argument > > # dmesg > trace_kprobe: Reference counter offset mismatch. > > There is one exception though: > When user is trying to replace the old entry with the new > one, we allow this if the new entry does not conflict with > any other existing entries. > > Signed-off-by: Ravi Bangoria <ravi.bangoria@xxxxxxxxxxxxx> > --- Looks good to me. Acked-by: Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx>
