[PATCH v3] x86: SVM: Use the hardware provided GPA instead of page walk

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This patch series is taken from SEV RFC series [1]. These patches do not
depend on the SEV feature and can be reviewed and merged on their own.

- Use the hardware provided GPA instead of page walk

[1] http://marc.info/?l=linux-mm&m=147190814023863&w=2

---

Droping the following patches from series since they are already accepted

- Add support for additional SVM NFP error codes
- Add kvm_fast_pio_in support


Changes since v2:
 - move String op identifier check into new emulator_is_string_op().
 - move gpa_available check in emulator_read_write_onepage().
 
Changes since v1:
 - remove redundant gpa_avail check

Tom Lendacky (1):
      kvm: svm: Use the hardware provided GPA instead of page walk


 arch/x86/include/asm/kvm_emulate.h |    1 +
 arch/x86/include/asm/kvm_host.h    |    3 ++
 arch/x86/kvm/emulate.c             |    8 +++++++
 arch/x86/kvm/svm.c                 |    2 ++
 arch/x86/kvm/x86.c                 |   44 ++++++++++++++++++++++++++++--------
 5 files changed, 48 insertions(+), 10 deletions(-)

-- 

Brijesh Singh

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