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Message-ID: <Pine.LNX.4.44L0.0707051704580.2557-100000@iolanthe.rowland.org> Date: Thu, 5 Jul 2007 17:06:08 -0400 (EDT) From: Alan Stern <stern@...land.harvard.edu> To: Oliver Neukum <oliver@...kum.org> cc: Miklos Szeredi <miklos@...redi.hu>, <pavel@....cz>, <paulus@...ba.org>, <johannes@...solutions.net>, <rjw@...k.pl>, <linux-pm@...ts.linux-foundation.org>, <linux-kernel@...r.kernel.org>, <mjg59@...f.ucam.org>, <benh@...nel.crashing.org> Subject: Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway On Thu, 5 Jul 2007, Oliver Neukum wrote: > > Obviously. Â But I wasn't about the server trying to acquire a lock > > held by a client. Â I was talking about a client trying to acquire a > > lock held by _another_ client. > > > > If this coincides with the server (or some other task which the server > > is depending on) being frozen before the clients, the freezer has a > > problem. > > True, but that case can only happen if servers are frozen before clients. > You don't need a full dependency graph. A simple set sequence of two > classes of tasks will do. Just to make things more complicated... Since a server isn't restricted in what it can do, what happens when one server depends on another server? Alan Stern - 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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