linux-kernel - Re: [PATCH 0/4] KVM: selftests: ioctl() macro cleanups

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Message-ID: <ZM0YLh1kOXY7OwTc@google.com>
Date:   Fri, 4 Aug 2023 08:24:30 -0700
From:   Sean Christopherson <seanjc@...gle.com>
To:     Marc Zyngier <maz@...nel.org>,
        Oliver Upton <oliver.upton@...ux.dev>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev,
        linux-kernel@...r.kernel.org, Michal Luczaj <mhal@...x.co>
Cc:     kvm@...r.kernel.org
Subject: Re: [PATCH 0/4] KVM: selftests: ioctl() macro cleanups

+KVM (good job me)

On Thu, Aug 03, 2023, Sean Christopherson wrote:
> Do some minor housekeeping on the ioctl() macros, and then teach them
> to detect and report when an ioctl() unexpectedly fails because KVM has
> killed and/or bugged the VM.
> 
> Note, I'm 50/50 on whether or not the ARM patch is worthwhile, though I
> spent a stupid amount of time on it (don't ask), so darn it I'm at least
> posting it.
> 
> Oh, and the To: will probably show up funky, but I'd like to take this
> through kvm-x86/selftests, not the ARM tree.
> 
> Thanks!
> 
> Sean Christopherson (4):
>   KVM: selftests: Drop the single-underscore ioctl() helpers
>   KVM: selftests: Add helper macros for ioctl()s that return file
>     descriptors
>   KVM: selftests: Use asserting kvm_ioctl() macros when getting ARM page
>     sizes
>   KVM: selftests: Add logic to detect if ioctl() failed because VM was
>     killed
> 
>  .../selftests/kvm/include/kvm_util_base.h     | 101 ++++++++++++------
>  .../selftests/kvm/lib/aarch64/processor.c     |  18 ++--
>  tools/testing/selftests/kvm/lib/kvm_util.c    |  17 +--
>  3 files changed, 84 insertions(+), 52 deletions(-)
> 
> 
> base-commit: 240f736891887939571854bd6d734b6c9291f22e
> -- 
> 2.41.0.585.gd2178a4bd4-goog
>