[v3] target/i386: Misc cleanup on KVM PV defs, outdated comments and error handling

[PATCH v3 0/8] [PATCH v3 0/8] target/i386: Misc cleanup on KVM PV defs, outdated comments and error handling

Zhao Liu posted 8 patches 4 months, 1 week ago

Diff against v4
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git fetch https://github.com/patchew-project/qemu tags/patchew/20240715044955.3954304-1-zhao1.liu@intel.com

Maintainers: "Michael S. Tsirkin" <mst@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Eduardo Habkost <eduardo@habkost.net>, Marcelo Tosatti <mtosatti@redhat.com>

There is a newer version of this series

hw/i386/kvm/clock.c              |   5 +-
target/i386/confidential-guest.h |   2 +-
target/i386/cpu.h                |  25 +++++++
target/i386/kvm/kvm.c            | 108 ++++++++++++++++++-------------
target/i386/kvm/kvm_i386.h       |   4 +-
5 files changed, 92 insertions(+), 52 deletions(-)

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[PATCH v3 0/8] [PATCH v3 0/8] target/i386: Misc cleanup on KVM PV defs, outdated comments and error handling

Posted by Zhao Liu 4 months, 1 week ago

Hi,

This is my v3 cleanup series. Compared with v2 [1],
 * v3 resolved the rebasing conflict (now based on 37fbfda8f414).
 * Added 2 more patches (patch 7&8) to clean up error handling in
   kvm_arch_init().


Background and Introduction
===========================

This series picks cleanup from my previous kvmclock [2] (as other
renaming attempts were temporarily put on hold).

In addition, this series also include the cleanup on a historically
workaround, recent comment of coco interface [3] and error handling
corner cases in kvm_arch_init().

Avoiding the fragmentation of these misc cleanups, I consolidated them
all in one series and was able to tackle them in one go!

[1]: https://lore.kernel.org/qemu-devel/20240506085153.2834841-1-zhao1.liu@intel.com/
[2]: https://lore.kernel.org/qemu-devel/20240329101954.3954987-1-zhao1.liu@linux.intel.com/
[3]: https://lore.kernel.org/qemu-devel/2815f0f1-9e20-4985-849c-d74c6cdc94ae@intel.com/

Thanks and Best Regards,
Zhao
---
Zhao Liu (8):
  target/i386/kvm: Add feature bit definitions for KVM CPUID
  target/i386/kvm: Remove local MSR_KVM_WALL_CLOCK and
    MSR_KVM_SYSTEM_TIME definitions
  target/i386/kvm: Only save/load kvmclock MSRs when kvmclock enabled
  target/i386/kvm: Save/load MSRs of kvmclock2
    (KVM_FEATURE_CLOCKSOURCE2)
  target/i386/kvm: Drop workaround for KVM_X86_DISABLE_EXITS_HTL typo
  target/i386/confidential-guest: Fix comment of
    x86_confidential_guest_kvm_type()
  target/i386/kvm: Clean up return values of MSR filter related
    functions
  target/i386/kvm: Clean up error handling in kvm_arch_init()

 hw/i386/kvm/clock.c              |   5 +-
 target/i386/confidential-guest.h |   2 +-
 target/i386/cpu.h                |  25 +++++++
 target/i386/kvm/kvm.c            | 108 ++++++++++++++++++-------------
 target/i386/kvm/kvm_i386.h       |   4 +-
 5 files changed, 92 insertions(+), 52 deletions(-)

-- 
2.34.1