linux-kernel - Re: [PATCH v12 36/46] KVM: selftests: Drop helpers to read/write page table entries

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Message-ID: <Y1mt1OSfJ8IGp5BU@google.com>
Date:   Wed, 26 Oct 2022 21:59:48 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>
Cc:     kvm@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Michael Kelley <mikelley@...rosoft.com>,
        Siddharth Chandrasekaran <sidcha@...zon.de>,
        Yuan Yao <yuan.yao@...ux.intel.com>,
        Maxim Levitsky <mlevitsk@...hat.com>,
        linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v12 36/46] KVM: selftests: Drop helpers to read/write
 page table entries

On Fri, Oct 21, 2022, Vitaly Kuznetsov wrote:
> From: Sean Christopherson <seanjc@...gle.com>
> 
> Drop vm_{g,s}et_page_table_entry() and instead expose the "inner"
> helper (was _vm_get_page_table_entry()) that returns a _pointer_ to the
> PTE, i.e. let tests directly modify PTEs instead of bouncing through
> helpers that just make life difficult.
> 
> Opportunsitically use BIT_ULL() in emulator_error_test, and use the
> MAXPHYADDR define to set the "rogue" GPA bit instead of open coding the
> same value.
> 
> No functional change intended.
> 
> Signed-off-by: Sean Christopherson <seanjc@...gle.com>

Missing your SOB, though maybe Paolo will merge my series first and make this a
moot point :-)