Re: [PATCH v5 3.1.0-rc4-tip 0/26] Uprobes patchset with perf probesupport

[Christoph Hellwig]

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.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/