kernel_optimize_test/arch
Sean Christopherson 9932b49e5a KVM: nVMX: Invoke ept_save_pdptrs() if and only if PAE paging is enabled
Invoke ept_save_pdptrs() when restoring L1's host state on a "late"
VM-Fail if and only if PAE paging is enabled.  This saves a CALL in the
common case where L1 is a 64-bit host, and avoids incorrectly marking
the PDPTRs as dirty.

WARN if ept_save_pdptrs() is called with PAE disabled now that the
nested usage pre-checks is_pae_paging().  Barring a bug in KVM's MMU,
attempting to read the PDPTRs with PAE disabled is now impossible.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200415203454.8296-2-sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-04-21 09:13:06 -04:00
..
alpha mm: allow VM_FAULT_RETRY for multiple times 2020-04-02 09:35:30 -07:00
arc mm: allow VM_FAULT_RETRY for multiple times 2020-04-02 09:35:30 -07:00
arm ARM: 2020-04-02 15:13:15 -07:00
arm64 kvm_host: unify VM_STAT and VCPU_STAT definitions in a single place 2020-04-21 09:13:01 -04:00
c6x asm-generic: make more kernel-space headers mandatory 2020-04-02 09:35:25 -07:00
csky asm-generic: make more kernel-space headers mandatory 2020-04-02 09:35:25 -07:00
h8300 asm-generic: make more kernel-space headers mandatory 2020-04-02 09:35:25 -07:00
hexagon mm: allow VM_FAULT_RETRY for multiple times 2020-04-02 09:35:30 -07:00
ia64 mm: allow VM_FAULT_RETRY for multiple times 2020-04-02 09:35:30 -07:00
m68k mm: allow VM_FAULT_RETRY for multiple times 2020-04-02 09:35:30 -07:00
microblaze mm: allow VM_FAULT_RETRY for multiple times 2020-04-02 09:35:30 -07:00
mips kvm_host: unify VM_STAT and VCPU_STAT definitions in a single place 2020-04-21 09:13:01 -04:00
nds32 mm: allow VM_FAULT_RETRY for multiple times 2020-04-02 09:35:30 -07:00
nios2 mm: allow VM_FAULT_RETRY for multiple times 2020-04-02 09:35:30 -07:00
openrisc mm: allow VM_FAULT_RETRY for multiple times 2020-04-02 09:35:30 -07:00
parisc mm: allow VM_FAULT_RETRY for multiple times 2020-04-02 09:35:30 -07:00
powerpc kvm_host: unify VM_STAT and VCPU_STAT definitions in a single place 2020-04-21 09:13:01 -04:00
riscv mm: allow VM_FAULT_RETRY for multiple times 2020-04-02 09:35:30 -07:00
s390 kvm_host: unify VM_STAT and VCPU_STAT definitions in a single place 2020-04-21 09:13:01 -04:00
sh Merge branch 'akpm' (patches from Andrew) 2020-04-02 13:55:34 -07:00
sparc mm: allow VM_FAULT_RETRY for multiple times 2020-04-02 09:35:30 -07:00
um Merge branch 'akpm' (patches from Andrew) 2020-04-02 13:55:34 -07:00
unicore32 mm: allow VM_FAULT_RETRY for multiple times 2020-04-02 09:35:30 -07:00
x86 KVM: nVMX: Invoke ept_save_pdptrs() if and only if PAE paging is enabled 2020-04-21 09:13:06 -04:00
xtensa mm: allow VM_FAULT_RETRY for multiple times 2020-04-02 09:35:30 -07:00
.gitignore
Kconfig NOHZ full updates: 2020-03-30 18:29:05 -07:00