subject:"\[RFC PATCH 1\/1\] mshyperv\: fix recognition of Hyper\-V guest crash MSR's"

Re: [RFC PATCH 1/1] mshyperv: fix recognition of Hyper-V guest crash MSR's

2015-07-02 Thread Vitaly Kuznetsov

"Denis V. Lunev" writes: > From: Andrey Smetanin > > Hypervisor Top Level Functional Specification v3.1/4.0 notes that cpuid > (0x4003) EDX's 10th bit should be used to check that Hyper-V guest > crash MSR's functionality available. > > This patch should fix this recognition. Currently the c

[RFC PATCH 1/1] mshyperv: fix recognition of Hyper-V guest crash MSR's

2015-07-02 Thread Denis V. Lunev

From: Andrey Smetanin Hypervisor Top Level Functional Specification v3.1/4.0 notes that cpuid (0x4003) EDX's 10th bit should be used to check that Hyper-V guest crash MSR's functionality available. This patch should fix this recognition. Currently the code checks EAX register instead of EDX.