Michael S. Tsirkin wrote: >> Quoting Ingo Molnar <mingo at elte.hu>: >> Subject: [patch] KVM: T60 resume fix >> From: Ingo Molnar <mingo at elte.hu> >> >> my T60 laptop does not resume correctly due to KVM attempting to send an >> IPI to a CPU that might be down (or not up yet). (Doing so also triggers >> the send_IPI_mask_bitmask() warning in arch/i386/kernel/smp.c, line >> 732.) >> >> with this fix applied my laptop does not hang during resume. >> >> [ KVM will have to disable/enable virtualization on the CPU itself that >> goes down / comes up, not via an IPI sent from the requesting CPU. ] >> >> Signed-off-by: Ingo Molnar <mingo at elte.hu> >> > > Since I don't normally have kvm loaded, this patch is unlikely > to help me, is that right? > > That is correct. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic.
