Sean Christopherson f5223a332f KVM: x86: Use explicit case-statements for MCx banks in {g,s}et_msr_mce()
Use an explicit case statement to grab the full range of MCx bank MSRs
in {g,s}et_msr_mce(), and manually check only the "end" (the number of
banks configured by userspace may be less than the max).  The "default"
trick works, but is a bit odd now, and will be quite odd if/when support
for accessing MCx_CTL2 MSRs is added, which has near identical logic.

Hoist "offset" to function scope so as to avoid curly braces for the case
statement, and because MCx_CTL2 support will need the same variables.

Opportunstically clean up the comment about allowing bit 10 to be cleared
from bank 4.

No functional change intended.

Cc: Jue Wang <juew@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Link: https://lore.kernel.org/r/20220512222716.4112548-3-seanjc@google.com
2022-07-08 14:57:12 -07:00
..
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