[Bug uprobes/5275] uprobes: smarter insn slot allocation for SSOL

[jkenisto at us dot ibm dot com]

------- Additional Comments From jkenisto at us dot ibm dot com  2007-11-06 21:29 -------
(In reply to comment #1)
> Would it make sense to bypass uprobe_ssol_slot() totally for powerpc (and like
> archs) that may potentially never need the lru to kick in?

There's definitely sense in that.  It would impose a theoretical limit on the
number of probepoints a process could hit; but registering 16K uprobes would
probably stretch some practical limits -- e.g., related to the size of struct
uprobe_probept or the lengths of the hash lists in uproc->uprobe_table[].

Unfortunately, making all the slots private on 1-2 architectures doesn't reduce
overall code complexity.

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=5275

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