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Message-Id: <1239769058.7852.6.camel@tropicana> Date: Tue, 14 Apr 2009 23:17:38 -0500 From: Tom Zanussi <tzanussi@...il.com> To: Li Zefan <lizf@...fujitsu.com> Cc: Frederic Weisbecker <fweisbec@...il.com>, LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>, Steven Rostedt <rostedt@...dmis.org>, paulmck@...ux.vnet.ibm.com Subject: Re: [PATCH] tracing/filters: allow on-the-fly filter switching On Wed, 2009-04-15 at 09:12 +0800, Li Zefan wrote: > > Ok, the whole design and concept looks nice. > > > > But you really need to think about a locking scheme to protect > > the filters from user files. > > > > I noticed this and fixed it in that > "[PATCH 7/7] tracing/filters: make filter preds RCU safe" > > I'll try to fix it on top of Tom's on-the-fly filter swithcing, > if Tom hasn't started to do this. > No, I hadn't gotten to it yet - feel free to do it if you want, otherwise I'll get to it soon... Thanks, Tom > > Also, is filter_add_pred() supposed to be available for in-kernel > > uses by other tracers or something? > > If this is planned, the locking could be even deeper than my comments. > > > > Other than these comments: > > > > Acked-by: Frederic Weisbecker <fweisbec@...il.com> > > > > Thanks! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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