Messages in this thread | | | Subject | Re: [PATCH 0/3] x86/paravirt: Fix baremetal paravirt MSR ops | From | Arjan van de Ven <> | Date | Thu, 17 Sep 2015 08:27:34 -0700 |
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> >> ( We should double check that rdmsr()/wrmsr() results are never left >> uninitialized, but are set to zero or so, for cases where the return code is not >> checked. ) > > It sure looks like native_read_msr_safe doesn't clear the output if > the rdmsr fails.
I'd suggest to return some poison not just 0... less likely to get interesting surprises that are insane hard to debug/diagnose
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