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[v3,0/1] kvm: arm64: Add SVE support for nVHE.

Message ID 20210302164850.3553701-1-daniel.kiss@arm.com (mailing list archive)
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Series kvm: arm64: Add SVE support for nVHE. | expand

Message

Daniel Kiss March 2, 2021, 4:48 p.m. UTC 
Addressing review comments from the previous version[1].
The discussed optimisation will be a sparate patch later.

[1] https://www.spinics.net/lists/arm-kernel/msg874768.html

Changes from v2:
* Comments are addressed.
* rebased to v5.11

Changes from v1:
* Vector length handling is changed.

Daniel Kiss (1):
  kvm: arm64: Add SVE support for nVHE.

 arch/arm64/Kconfig                      |  7 -----
 arch/arm64/include/asm/el2_setup.h      |  2 +-
 arch/arm64/include/asm/fpsimd.h         |  6 ++++
 arch/arm64/include/asm/fpsimdmacros.h   | 24 ++++++++++++++--
 arch/arm64/include/asm/kvm_arm.h        |  6 ++++
 arch/arm64/include/asm/kvm_host.h       | 17 +++--------
 arch/arm64/kernel/entry-fpsimd.S        |  5 ----
 arch/arm64/kvm/arm.c                    |  5 ----
 arch/arm64/kvm/fpsimd.c                 | 38 ++++++++++++++++++++-----
 arch/arm64/kvm/hyp/fpsimd.S             | 15 ++++++++++
 arch/arm64/kvm/hyp/include/hyp/switch.h | 34 +++++++++++-----------
 arch/arm64/kvm/hyp/nvhe/switch.c        | 24 ++++++++++++++++
 arch/arm64/kvm/reset.c                  |  4 ---
 13 files changed, 127 insertions(+), 60 deletions(-)