linux-kernel - Re: [GIT PULL] KVM: selftests: Fixes and cleanups for 6.7-rcN

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Message-ID: <CABgObfbgs0z0Pe37T=TJprEkq0dZngSxKKKVnM74xHg6eFGegg@mail.gmail.com>
Date:   Fri, 8 Dec 2023 19:21:08 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Sean Christopherson <seanjc@...gle.com>
Cc:     kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [GIT PULL] KVM: selftests: Fixes and cleanups for 6.7-rcN

On Fri, Dec 8, 2023 at 3:17 AM Sean Christopherson <seanjc@...gle.com> wrote:
>
> Please pull selftests fixes/cleanups for 6.7.  The big change is adding
> __printf() annotation to the guest printf/assert helpers, which is waaay
> better than me playing whack-a-mole when tests fail (I'm still laughing
> at myself for not realizing what that annotation does).
>
> The following changes since commit e9e60c82fe391d04db55a91c733df4a017c28b2f:
>
>   selftests/kvm: fix compilation on non-x86_64 platforms (2023-11-21 11:58:25 -0500)

This would be a 6.8 change though.

I singled out "KVM: selftests: Actually print out magic token in NX
hugepages skip message" and "KVM: selftests: add -MP to CFLAGS" and
pulled the rest into kvm/next, which means we'll have a couple dup
commits but nothing too bad.

Paolo

>
> are available in the Git repository at:
>
>   https://github.com/kvm-x86/linux.git tags/kvm-x86-selftests-6.7-rcN
>
> for you to fetch changes up to 1b2658e4c709135fe1910423d3216632f641baf9:
>
>   KVM: selftests: Annotate guest ucall, printf, and assert helpers with __printf() (2023-12-01 08:15:41 -0800)
>
> ----------------------------------------------------------------
> KVM selftests fixes for 6.7-rcN:
>
>  - Fix an annoying goof where the NX hugepage test prints out garbage
>    instead of the magic token needed to run the text.
>
>  - Fix build errors when a header is delete/moved due to a missing flag
>    in the Makefile.
>
>  - Detect if KVM bugged/killed a selftest's VM and print out a helpful
>    message instead of complaining that a random ioctl() failed.
>
>  - Annotate the guest printf/assert helpers with __printf(), and fix the
>    various bugs that were lurking due to lack of said annotation.
>
> ----------------------------------------------------------------
> David Woodhouse (1):
>       KVM: selftests: add -MP to CFLAGS
>
> Sean Christopherson (7):
>       KVM: selftests: Drop the single-underscore ioctl() helpers
>       KVM: selftests: Add logic to detect if ioctl() failed because VM was killed
>       KVM: selftests: Remove x86's so called "MMIO warning" test
>       KVM: selftests: Fix MWAIT error message when guest assertion fails
>       KVM: selftests: Fix benign %llx vs. %lx issues in guest asserts
>       KVM: selftests: Fix broken assert messages in Hyper-V features test
>       KVM: selftests: Annotate guest ucall, printf, and assert helpers with __printf()
>
> angquan yu (1):
>       KVM: selftests: Actually print out magic token in NX hugepages skip message
>
>  tools/testing/selftests/kvm/Makefile               |   3 +-
>  .../testing/selftests/kvm/include/kvm_util_base.h  |  75 ++++++++-----
>  tools/testing/selftests/kvm/include/test_util.h    |   2 +-
>  tools/testing/selftests/kvm/include/ucall_common.h |   7 +-
>  tools/testing/selftests/kvm/lib/kvm_util.c         |   2 +-
>  .../testing/selftests/kvm/set_memory_region_test.c |   6 +-
>  .../testing/selftests/kvm/x86_64/hyperv_features.c |  10 +-
>  .../selftests/kvm/x86_64/mmio_warning_test.c       | 121 ---------------------
>  .../selftests/kvm/x86_64/monitor_mwait_test.c      |   6 +-
>  .../selftests/kvm/x86_64/nx_huge_pages_test.c      |   2 +-
>  .../kvm/x86_64/private_mem_conversions_test.c      |   2 +-
>  .../kvm/x86_64/svm_nested_soft_inject_test.c       |   4 +-
>  .../selftests/kvm/x86_64/vmx_pmu_caps_test.c       |   2 +-
>  .../testing/selftests/kvm/x86_64/xcr0_cpuid_test.c |   8 +-
>  14 files changed, 78 insertions(+), 172 deletions(-)
>  delete mode 100644 tools/testing/selftests/kvm/x86_64/mmio_warning_test.c
>