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KVM: MMU: remove bypass_guest_pf

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The idea is from Avi:
| Maybe it's time to kill off bypass_guest_pf=1.  It's not as effective as
| it used to be, since unsync pages always use shadow_trap_nonpresent_pte,
| and since we convert between the two nonpresent_ptes during sync and unsync.

Signed-off-by: Xiao Guangrong <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
This commit is contained in:
Xiao Guangrong 2011-07-12 03:28:04 +08:00 • committed by Avi Kivity
commit c37079586f
7 changed files with 33 additions and 132 deletions
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4
Documentation/kernel-parameters.txt
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@ -1159,10 +1159,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
for all guests.
Default is 1 (enabled) if in 64bit or 32bit-PAE mode
kvm-intel.bypass_guest_pf=
[KVM,Intel] Disables bypassing of guest page faults
on Intel chips. Default is 1 (enabled)
kvm-intel.ept= [KVM,Intel] Disable extended page tables
(virtualized MMU) support on capable Intel chips.
Default is 1 (enabled)