On 26/09/16 13:27, Jan Beulich wrote: > From: Emanuel Czirai <[email protected]> > > AMD F12h machines have an erratum which can cause DIV/IDIV to behave > unpredictably. The workaround is to set MSRC001_1029[31] but sometimes > there is no BIOS update containing that workaround so let's do it > ourselves unconditionally. It is simple enough. > > [ Borislav: Wrote commit message. ] > > Signed-off-by: Emanuel Czirai <[email protected]> > Signed-off-by: Borislav Petkov <[email protected]> > [Linux commit: d1992996753132e2dafe955cccb2fb0714d3cfc4] > > Make applicable to Xen. > > Signed-off-by: Jan Beulich <[email protected]>
Reviewed-by: Andrew Cooper <[email protected]> It would be nice to have a name for this bit, but the Fam 12h BKDG identified it as reserved, making the erratum description the only reference I can find to it. Oh well. ~Andrew _______________________________________________ Xen-devel mailing list [email protected] https://lists.xen.org/xen-devel
