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The stable kernel version backport of the patch disabling XSAVES on AMD
Zen family 0x17 applied this change to the wrong function (init_amd_k6()),
one which isn't called for Zen CPUs.
Move the erratum to the init_amd_zn() function instead.
Add an explicit family 0x17 check to the erratum so nothing will break if
someone naively makes this kernel version call init_amd_zn() also for
family 0x19 in the future (as the current upstream code does).
Fixes: e40c1e9da1ec ("x86/CPU/AMD: Disable XSAVES on AMD family 0x17")
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5c6183f3c7