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Message-ID: <fad44fb9-f57a-46e8-99f8-1c3d8e830cbe@xen.org>
Date: Thu, 14 Dec 2023 14:00:28 +0000
From: Paul Durrant <xadimgnik@...il.com>
To: David Woodhouse <dwmw2@...radead.org>,
Paolo Bonzini <pbonzini@...hat.com>,
Jonathan Corbet <corbet@....net>,
Sean Christopherson <seanjc@...gle.com>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
"H. Peter Anvin" <hpa@...or.com>, Shuah Khan <shuah@...nel.org>,
kvm@...r.kernel.org, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v10 09/19] KVM: xen: separate initialization of
shared_info cache and content
On 14/12/2023 13:41, David Woodhouse wrote:
> On Mon, 2023-12-04 at 14:43 +0000, Paul Durrant wrote:
>> From: Paul Durrant <pdurrant@...zon.com>
>>
>> A subsequent patch will allow shared_info to be initialized using either a
>> GPA or a user-space (i.e. VMM) HVA. To make that patch cleaner, separate
>> the initialization of the shared_info content from the activation of the
>> pfncache.
>>
>> Signed-off-by: Paul Durrant <pdurrant@...zon.com>
>
>
> Spot the difference...
>
>> - /*
>> - * This code mirrors kvm_write_wall_clock() except that it writes
>> - * directly through the pfn cache and doesn't mark the page dirty.
>> - */
>> - wall_nsec = kvm_get_wall_clock_epoch(kvm);
>
>
>> + /*
>> + * This code mirrors kvm_write_wall_clock() except that it writes
>> + * directly through the pfn cache and doesn't mark the page dirty.
>> + */
>> + wall_nsec = ktime_get_real_ns() - get_kvmclock_ns(kvm);
>
> (Hint: it's commit 5d6d6a7d7e66a)
Ack.
>
> With that fixed,
>
> Reviewed-by: David Woodhouse <dwmw@...zon.co.uk>
>
Thanks.
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