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    SubjectRe: [RFC,05/10] x86/speculation: Add basic IBRS support infrastructure
    On Wed, Jan 31, 2018 at 12:44:41PM -0200, Eduardo Habkost wrote:
    > Also, if anybody don't like it, users can already specify, e.g.,
    > "Broadwell,-hle,-rtm" or "Skylake,+spec_ctrl".
    >
    > QEMU only adds have the -noTSX and -IBRS CPU for convenience of
    > management systems that don't know how to check/configure
    > individual CPU features. We're working with libvirt and
    > OpenStack folks to make this kind of trick unnecessary.

    Yeah, defining separate CPU models just for that seems hacky. The
    +/-<feature> specification looks like the Right Thing(tm) to do.

    --
    Regards/Gruss,
    Boris.

    SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
    --

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