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Date: Mon, 16 Jun 2008 09:52:21 +0800 From: "Huang, Ying" <ying.huang@...el.com> To: Vivek Goyal <vgoyal@...hat.com> Cc: "Eric W. Biederman" <ebiederm@...ssion.com>, Pavel Machek <pavel@....cz>, nigel@...el.suspend2.net, "Rafael J. Wysocki" <rjw@...k.pl>, Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org, Kexec Mailing List <kexec@...ts.infradead.org> Subject: Re: [PATCH -mm 1/2] kexec jump -v11: kexec jump On Fri, 2008-06-13 at 14:00 -0400, Vivek Goyal wrote: [...] > Ok, I found that in my config CONFIG_HIBERNATION was not enabled. After > enabling CONFIG_HIBERNATION, both suspend to disk and kjump started > working. > > Does that mean there is some dependency on code under CONFIG_HIBERNATION. > If yes, I think this dependency should be resolved during compile time. > May be addtional config option (CONFIG_KEXEC_JUMP), which also selects > the CONFIG_HIBERNATION automatically etc... Yes. kexec jump need to put devices into quiescent state and save devices state into memory, which is implemented by calling hibernation function: device_suspend(PMSG_FREEZE), whose implementation depends on CONFIG_HIBERNATION. So, I will add CONFIG_KEXEC_JUMP and select CONFIG_HIBERNATION automatically. Best Regards, Huang Ying -- 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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