Here is V8 of the KVM Guest Debug support for arm64.
The diffstat between v7 and v8 is getting pretty small and as I
haven't re-based you can run:
git diff -u guest-debug/4.1-v7..guest-debug/4.1-v8
And the kernelci report is at:
http://kernelci.org/build/alex/kernel/v4.1-11-g182a5fa64600/
The only real changes apart from comments and white space are to
sys_regs which sees another minor re-factoring. The 32 bit handling
explicitly preserves the top 32 bits of the AArch64 registers although
I'm not convinced it matter too much as for a booting AArch32 guest
kernel they should start as 0 and never change.
For full details see the changelog on each of the patches.
GIT Repos:
The patches for this series are based off v4.1 and can be found
at:
Kernel:
https://git.linaro.org/people/alex.bennee/linux.git
branch: guest-debug/4.1-v8
describe: v4.1-11-g182a5faB
QEMU:
https://github.com/stsquad/qemu
branch: kvm/guest-debug-v6*** BLURB HERE ***
Alex Bennée (11):
KVM: add comments for kvm_debug_exit_arch struct
KVM: arm64: guest debug, define API headers
KVM: arm: guest debug, add stub KVM_SET_GUEST_DEBUG ioctl
KVM: arm: introduce kvm_arm_init/setup/clear_debug
KVM: arm64: guest debug, add SW break point support
KVM: arm64: guest debug, add support for single-step
KVM: arm64: re-factor hyp.S debug register code
KVM: arm64: introduce vcpu->arch.debug_ptr
KVM: arm64: guest debug, HW assisted debug support
KVM: arm64: enable KVM_CAP_SET_GUEST_DEBUG
KVM: arm64: add trace points for guest_debug debug
Documentation/virtual/kvm/api.txt | 15 +-
arch/arm/include/asm/kvm_host.h | 5 +
arch/arm/kvm/arm.c | 18 +-
arch/arm/kvm/guest.c | 6 +
arch/arm64/include/asm/hw_breakpoint.h | 14 +
arch/arm64/include/asm/kvm_asm.h | 26 +-
arch/arm64/include/asm/kvm_host.h | 37 ++-
arch/arm64/include/uapi/asm/kvm.h | 27 ++
arch/arm64/kernel/asm-offsets.c | 7 +
arch/arm64/kernel/hw_breakpoint.c | 12 -
arch/arm64/kvm/Makefile | 2 +-
arch/arm64/kvm/debug.c | 217 +++++++++++++
arch/arm64/kvm/guest.c | 40 +++
arch/arm64/kvm/handle_exit.c | 44 +++
arch/arm64/kvm/hyp.S | 544 ++++++++++-----------------------
arch/arm64/kvm/reset.c | 16 +
arch/arm64/kvm/sys_regs.c | 291 ++++++++++++++++--
arch/arm64/kvm/sys_regs.h | 6 +
arch/arm64/kvm/trace.h | 123 ++++++++
include/uapi/linux/kvm.h | 5 +
20 files changed, 1001 insertions(+), 454 deletions(-)
create mode 100644 arch/arm64/kvm/debug.c
--
2.4.5
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