Re: [PATCH v4 0/7] clean up redundant 'kvm_run' parameters

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On 27/04/20 06:35, Tianjia Zhang wrote:
> In the current kvm version, 'kvm_run' has been included in the 'kvm_vcpu'
> structure. For historical reasons, many kvm-related function parameters
> retain the 'kvm_run' and 'kvm_vcpu' parameters at the same time. This
> patch does a unified cleanup of these remaining redundant parameters.
> 
> This series of patches has completely cleaned the architecture of
> arm64, mips, ppc, and s390 (no such redundant code on x86). Due to
> the large number of modified codes, a separate patch is made for each
> platform. On the ppc platform, there is also a redundant structure
> pointer of 'kvm_run' in 'vcpu_arch', which has also been cleaned
> separately.

Tianjia, can you please refresh the patches so that each architecture
maintainer can pick them up?  Thanks very much for this work!

Paolo

> 
> ---
> v4 change:
>   mips: fixes two errors in entry.c.
> 
> v3 change:
>   Keep the existing `vcpu->run` in the function body unchanged.
> 
> v2 change:
>   s390 retains the original variable name and minimizes modification.
> 
> Tianjia Zhang (7):
>   KVM: s390: clean up redundant 'kvm_run' parameters
>   KVM: arm64: clean up redundant 'kvm_run' parameters
>   KVM: PPC: Remove redundant kvm_run from vcpu_arch
>   KVM: PPC: clean up redundant 'kvm_run' parameters
>   KVM: PPC: clean up redundant kvm_run parameters in assembly
>   KVM: MIPS: clean up redundant 'kvm_run' parameters
>   KVM: MIPS: clean up redundant kvm_run parameters in assembly
> 
>  arch/arm64/include/asm/kvm_coproc.h      |  12 +--
>  arch/arm64/include/asm/kvm_host.h        |  11 +--
>  arch/arm64/include/asm/kvm_mmu.h         |   2 +-
>  arch/arm64/kvm/handle_exit.c             |  36 +++----
>  arch/arm64/kvm/sys_regs.c                |  13 ++-
>  arch/mips/include/asm/kvm_host.h         |  32 +------
>  arch/mips/kvm/emulate.c                  |  59 ++++--------
>  arch/mips/kvm/entry.c                    |  21 ++---
>  arch/mips/kvm/mips.c                     |  14 +--
>  arch/mips/kvm/trap_emul.c                | 114 ++++++++++-------------
>  arch/mips/kvm/vz.c                       |  26 ++----
>  arch/powerpc/include/asm/kvm_book3s.h    |  16 ++--
>  arch/powerpc/include/asm/kvm_host.h      |   1 -
>  arch/powerpc/include/asm/kvm_ppc.h       |  27 +++---
>  arch/powerpc/kvm/book3s.c                |   4 +-
>  arch/powerpc/kvm/book3s.h                |   2 +-
>  arch/powerpc/kvm/book3s_64_mmu_hv.c      |  12 +--
>  arch/powerpc/kvm/book3s_64_mmu_radix.c   |   4 +-
>  arch/powerpc/kvm/book3s_emulate.c        |  10 +-
>  arch/powerpc/kvm/book3s_hv.c             |  64 ++++++-------
>  arch/powerpc/kvm/book3s_hv_nested.c      |  12 +--
>  arch/powerpc/kvm/book3s_interrupts.S     |  17 ++--
>  arch/powerpc/kvm/book3s_paired_singles.c |  72 +++++++-------
>  arch/powerpc/kvm/book3s_pr.c             |  33 ++++---
>  arch/powerpc/kvm/booke.c                 |  39 ++++----
>  arch/powerpc/kvm/booke.h                 |   8 +-
>  arch/powerpc/kvm/booke_emulate.c         |   2 +-
>  arch/powerpc/kvm/booke_interrupts.S      |   9 +-
>  arch/powerpc/kvm/bookehv_interrupts.S    |  10 +-
>  arch/powerpc/kvm/e500_emulate.c          |  15 ++-
>  arch/powerpc/kvm/emulate.c               |  10 +-
>  arch/powerpc/kvm/emulate_loadstore.c     |  32 +++----
>  arch/powerpc/kvm/powerpc.c               |  72 +++++++-------
>  arch/powerpc/kvm/trace_hv.h              |   6 +-
>  arch/s390/kvm/kvm-s390.c                 |  23 +++--
>  virt/kvm/arm/arm.c                       |   6 +-
>  virt/kvm/arm/mmio.c                      |  11 ++-
>  virt/kvm/arm/mmu.c                       |   5 +-
>  38 files changed, 392 insertions(+), 470 deletions(-)
> 

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