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Message-ID: <54DA356E.8030806@suse.cz> Date: Tue, 10 Feb 2015 17:44:30 +0100 From: Jiri Slaby <jslaby@...e.cz> To: Josh Poimboeuf <jpoimboe@...hat.com>, Seth Jennings <sjenning@...hat.com>, Jiri Kosina <jkosina@...e.cz>, Vojtech Pavlik <vojtech@...e.cz> CC: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>, live-patching@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [RFC PATCH 2/9] livepatch: separate enabled and patched states On 02/09/2015, 06:31 PM, Josh Poimboeuf wrote: > Once we have a consistency model, patches and their objects will be > enabled and disabled at different times. For example, when a patch is > disabled, its loaded objects' funcs can remain registered with ftrace > indefinitely until the unpatching operation is complete and they're no > longer in use. > > It's less confusing if we give them different names: patches can be > enabled or disabled; objects (and their funcs) can be patched or > unpatched: > > - Enabled means that a patch is logically enabled (but not necessarily > fully applied). > > - Patched means that an object's funcs are registered with ftrace and > added to the klp_ops func stack. > > Also, since these states are binary, represent them with boolean-type > variables instead of enums. So please do so: we have bool/true/false. -- js suse labs -- 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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