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Message-ID: <1325847461.2442.4.camel@twins>
Subject: Re: [PATCH v8 3.2.0-rc5 1/9] uprobes: Install and remove
 breakpoints.
From: Peter Zijlstra <peterz@infradead.org>
To: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
        Oleg Nesterov <oleg@redhat.com>, Ingo Molnar <mingo@elte.hu>,
        Andrew Morton <akpm@linux-foundation.org>,
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        Andi Kleen <andi@firstfloor.org>,
        Christoph Hellwig <hch@infradead.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        Roland McGrath <roland@hack.frob.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
        Arnaldo Carvalho de Melo <acme@infradead.org>,
        Anton Arapov <anton@redhat.com>,
        Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
        Jim Keniston <jkenisto@linux.vnet.ibm.com>,
        Stephen Rothwell <sfr@canb.auug.org.au>
Date: Fri, 06 Jan 2012 11:57:41 +0100
In-Reply-To: <20120106061407.GC14946@linux.vnet.ibm.com>
References: <20111216122756.2085.95791.sendpatchset@srdronam.in.ibm.com>
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On Fri, 2012-01-06 at 11:44 +0530, Srikar Dronamraju wrote:
>         - consumers for the uprobe is NULL, so mmap_uprobe will not
>           insert new breakpoints which correspond to this uprobe until
>           or unless another consumer gets added for the same probe.
> 
>         - If a new consumer gets added for this probe, we reuse the
>           uprobe struct.

Ok, and when we install a new 'first' consumer we'll again try and
install all breakpoints ignoring those that were already there?