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Re: [RFC] [PATCH 2.6.37-rc5-tip 8/20] 8: uprobes: mmap and fork hooks.
- From: Peter Zijlstra <peterz at infradead dot org>
- To: Srikar Dronamraju <srikar at linux dot vnet dot ibm dot com>
- Cc: Ingo Molnar <mingo at elte dot hu>, Steven Rostedt <rostedt at goodmis dot org>, Linux-mm <linux-mm at kvack dot org>, Arnaldo Carvalho de Melo <acme at infradead dot org>, Linus Torvalds <torvalds at linux-foundation dot org>, Ananth N Mavinakayanahalli <ananth at in dot ibm dot com>, Christoph Hellwig <hch at infradead dot org>, Masami Hiramatsu <masami dot hiramatsu dot pt at hitachi dot com>, Oleg Nesterov <oleg at redhat dot com>, LKML <linux-kernel at vger dot kernel dot org>, SystemTap <systemtap at sources dot redhat dot com>, Jim Keniston <jkenisto at linux dot vnet dot ibm dot com>, Frederic Weisbecker <fweisbec at gmail dot com>, Andi Kleen <andi at firstfloor dot org>, Andrew Morton <akpm at linux-foundation dot org>, "Paul E. McKenney" <paulmck at linux dot vnet dot ibm dot com>
- Date: Wed, 26 Jan 2011 16:20:43 +0100
- Subject: Re: [RFC] [PATCH 2.6.37-rc5-tip 8/20] 8: uprobes: mmap and fork hooks.
- References: <20101216095714.23751.52601.sendpatchset@localhost6.localdomain6> <20101216095848.23751.73144.sendpatchset@localhost6.localdomain6> <1295957741.28776.719.camel@laptop> <20110126150946.GK19725@linux.vnet.ibm.com>
On Wed, 2011-01-26 at 20:39 +0530, Srikar Dronamraju wrote:
>
> B. use the current match_inode but change the search_within_subtree
> logic. search_within_subtree() would first find the leftmode node
> within the subtree that still has the same inode. Thereafter it will use
> rb_next().
>
> Do you have any other ideas?
Look for the right inode but with offset 0, that should get you the
leftmost matching inode, or the entry left of that (depending on how you
build the tree), after that you should be able to iterate all probes of
that inode by using rb_next.