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32-bit fp/simd race

DISCUSSION Mario Smarduch 1 participant 2 messages Jun 18, 2015

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Mario Smarduch

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#0 lore raw

Maybe I've been looking at this code too long, but it appears that on __kvm_vcpu_return we save/restore fp/simd registers and then change to hyp role. In between if we get an interrupt vCPU may be migrated to another CPU? Or am I missing something?

Thanks,
- Mario

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#1 lore raw

Re: 32-bit fp/simd race - never mind :)

I have been looking at it for too long, my concepts got twisted.

Quoted 13 lines · Mario Smarduch

Maybe I've been looking at this code too long, but it appears that on __kvm_vcpu_return we save/restore fp/simd registers and then change to hyp role. In between if we get an interrupt vCPU may be migrated to another CPU? Or am I missing something?

Thanks,
- Mario
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