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[Qemu-devel] Re: [PATCH 08/13] kvm: x86: Inject pending MCE events on st
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From: |
Marcelo Tosatti |
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Subject: |
[Qemu-devel] Re: [PATCH 08/13] kvm: x86: Inject pending MCE events on state writeback |
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Date: |
Thu, 17 Feb 2011 16:17:27 -0200 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Thu, Feb 17, 2011 at 07:04:51PM +0100, Jan Kiszka wrote:
> >>> Should not manipulate mp_state of a running vcpu (should only do that
> >>> for migration when vcpu is stopped), since its managed by the kernel,
> >>> for irqchip case.
> >>
> >> Not for asynchronously injected MCEs. The target CPU would simply
> >> oversleep them. MCEs are not in the scope of the in-kernel irqchip.
> >
> > Pending MCE exception could break out of in-kernel halt emulation.
>
> Can't follow. What do you mean? That the kernel already takes care? I
> didn't find a trace, so I added that code.
Nevermind. This is rare and "halted -> running" transition in userspace
is harmless.
- [Qemu-devel] [PATCH 07/13] kvm: x86: Move MCE functions together, (continued)
- [Qemu-devel] [PATCH 07/13] kvm: x86: Move MCE functions together, Jan Kiszka, 2011/02/15
- [Qemu-devel] [PATCH 11/13] kvm: x86: Fail kvm_arch_init_vcpu if MCE initialization fails, Jan Kiszka, 2011/02/15
- [Qemu-devel] [PATCH 03/13] x86: Small cleanups of MCE helpers, Jan Kiszka, 2011/02/15
- [Qemu-devel] [PATCH 12/13] Add qemu_ram_remap, Jan Kiszka, 2011/02/15
- [Qemu-devel] [PATCH 05/13] x86: Optionally avoid injecting AO MCEs while others are pending, Jan Kiszka, 2011/02/15
- [Qemu-devel] [PATCH 08/13] kvm: x86: Inject pending MCE events on state writeback, Jan Kiszka, 2011/02/15
[Qemu-devel] [PATCH 13/13] KVM, MCE, unpoison memory address across reboot, Jan Kiszka, 2011/02/15
[Qemu-devel] [PATCH 09/13] kvm: x86: Consolidate TCG and KVM MCE injection code, Jan Kiszka, 2011/02/15
[Qemu-devel] [PATCH 04/13] x86: Refine error reporting of MCE injection services, Jan Kiszka, 2011/02/15