Messages in this thread | | | Date | Tue, 20 Sep 2011 10:28:43 -0400 | From | Christoph Hellwig <> | Subject | Re: [PATCH v5 3.1.0-rc4-tip 0/26] Uprobes patchset with perf probe support |
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On Tue, Sep 20, 2011 at 07:42:04PM +0530, Srikar Dronamraju wrote: > I could use any other inode/file/mapping based sleepable lock that is of > higher order than mmap_sem. Can you please let me know if we have > alternatives.
Please do not overload unrelated locks for this, but add a specific one.
There's two options:
(a) add it to the inode (conditionally) (b) use global, hashed locks
I think (b) is good enough as adding/removing probes isn't exactly the most critical fast path.
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