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Ship it!


Ship It!

- Jason Lowe-Power


On Jan. 14, 2016, 6:31 p.m., Andreas Sandberg wrote:
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> http://reviews.gem5.org/r/3280/
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> (Updated Jan. 14, 2016, 6:31 p.m.)
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> 
> Review request for Default.
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> Repository: gem5
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> Description
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> 
> Changeset 11300:5d97d819326e
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> kvm: Shutdown KVM and disconnect performance counters on fork
> 
> We can't/shouldn't use KVM after a fork since the child and parent
> probably point to the same VM. Knowing the exact effects of this is
> hard, but they are likely to be messy. We also disconnect the
> performance counters attached to the guest. This works around what
> seems to be a kernel bug where spurious SIGIOs get delivered to the
> forked child process.
> 
> Signed-off-by: Andreas Sandberg <[email protected]>
> [[email protected]: Rebased patches onto a newer gem5 version]
> Signed-off-by: Sascha Bischoff <[email protected]>
> [[email protected]: Fatal if entering KVM in child process ]
> Signed-off-by: Andreas Sandberg <[email protected]>
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> 
> Diffs
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>   src/cpu/kvm/base.hh 14029d75688d 
>   src/cpu/kvm/base.cc 14029d75688d 
>   src/cpu/kvm/vm.hh 14029d75688d 
>   src/cpu/kvm/vm.cc 14029d75688d 
>   src/cpu/kvm/x86_cpu.cc 14029d75688d 
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> Diff: http://reviews.gem5.org/r/3280/diff/
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> 
> Testing
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> 
> Thanks,
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> Andreas Sandberg
> 
>

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