[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 3/4] x86/vmx: Remove vmx_save_host_msrs() and host_msr_state
>>> On 13.02.17 at 15:32, <andrew.cooper3@xxxxxxxxxx> wrote: > A pcpu's LSTAR, STAR and SYSCALL_MASK MSRs are unconditionally switched when > moving in and out of HVM vcpu context. Two of these values are compile time > constants, and the third is directly available in an existing per-cpu > variable. > > There is no need to save host state in vmx_cpu_up() into a different per-cpu > structure, so drop all the infrastructure. vmx_restore_host_msrs() is > simplified to 3 plain WRMSR instructions. > > Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> Nice. Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx> Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |