On Sat, 31 Mar 2007 22:04:15 +0200 "Rafael J. Wysocki" <[EMAIL PROTECTED]> wrote:
> This patch appeard on LMKL six days ago and there have not been any negative > comments since then, so I think I can try to make it official. > > --- > From: Rafael J. Wysocki <[EMAIL PROTECTED]> > > Fix the regression resulting from the recent change of suspend code ordering > that causes systems based on Intel x86 CPUs using the microcode driver to > hang during the resume. > > The problem occurs since the microcode driver uses request_firmware() in its > CPU hotplug notifier, which is called after tasks has been frozen and hangs. > It can be fixed by telling the microcode driver to use the microcode stored in > memory during the resume instead of trying to load it from disk. CONFIG_SMP=n: arch/i386/kernel/microcode.c: In function 'microcode_init_cpu': arch/i386/kernel/microcode.c:628: error: 'suspend_cpu_hotplug' undeclared (first use in this function) arch/i386/kernel/microcode.c:628: error: (Each undeclared identifier is reported only once arch/i386/kernel/microcode.c:628: error: for each function it appears in.) arch/i386/kernel/microcode.c: In function 'mc_sysdev_add': arch/i386/kernel/microcode.c:717: error: 'suspend_cpu_hotplug' undeclared (first use in this function) arch/i386/kernel/microcode.c: In function 'mc_sysdev_remove': arch/i386/kernel/microcode.c:745: error: 'suspend_cpu_hotplug' undeclared (first use in this function) Given this, and the overall intrusiveness of the change, I'd worry about trying to get this into 2.6.21. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
