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(parent: 1a16a33) | patch
x86/AMD: Do not enable ARAT feature on AMD processors below family 0x12
authorBoris Ostrovsky <boris.ostrovsky@amd.com>
Fri, 7 Oct 2011 08:32:15 +0000 (10:32 +0200)
committerBoris Ostrovsky <boris.ostrovsky@amd.com>
Fri, 7 Oct 2011 08:32:15 +0000 (10:32 +0200)
commitfa114e8cb13b427eb7f82e19e8d4615b8113eaf7
tree8b70ee7da9eb0a0a364aed0b25ad180403a558b9tree | snapshot
parent1a16a3351ff2f2cf9f0cc0a27c89a0652eb8dfb4commit | diff
x86/AMD: Do not enable ARAT feature on AMD processors below family 0x12

Determining whether an AMD processor is affected by erratum 400 may
have some corner cases and handling these cases is somewhat complicated.
In the interest of simplicity we won't claim ARAT support on processor
families below 0x12.

Mirrors Linux commit e9cdd343a5e42c43bcda01e609fa23089e026470

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@amd.com>
Committed-by: Jan Beulich <jbeulich@suse.com>
xen/arch/x86/cpu/amd.c diff | blob | history
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