From: Wei Liu <wei.liu@kernel.org>
To: Michael Kelley <mikelley@microsoft.com>
Cc: kys@microsoft.com, haiyangz@microsoft.com,
sthemmin@microsoft.com, wei.liu@kernel.org, tglx@linutronix.de,
mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com,
pbonzini@redhat.com, sean.j.christopherson@intel.com,
vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com,
joro@8bytes.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org
Subject: Re: [PATCH 1/4] KVM: x86: hyperv: Remove duplicate definitions of Reference TSC Page
Date: Tue, 21 Apr 2020 10:29:25 +0100 [thread overview]
Message-ID: <20200421092925.rxb72yep4paruvi6@debian> (raw)
In-Reply-To: <20200420173838.24672-2-mikelley@microsoft.com>
On Mon, Apr 20, 2020 at 10:38:35AM -0700, Michael Kelley wrote:
> The Hyper-V Reference TSC Page structure is defined twice. struct
> ms_hyperv_tsc_page has padding out to a full 4 Kbyte page size. But
> the padding is not needed because the declaration includes a union
> with HV_HYP_PAGE_SIZE. KVM uses the second definition, which is
> struct _HV_REFERENCE_TSC_PAGE, because it does not have the padding.
>
> Fix the duplication by removing the padding from ms_hyperv_tsc_page.
> Fix up the KVM code to use it. Remove the no longer used struct
> _HV_REFERENCE_TSC_PAGE.
>
> There is no functional change.
>
> Signed-off-by: Michael Kelley <mikelley@microsoft.com>
> ---
> arch/x86/include/asm/hyperv-tlfs.h | 8 --------
> arch/x86/include/asm/kvm_host.h | 2 +-
> arch/x86/kvm/hyperv.c | 4 ++--
Paolo, this patch touches KVM code. Let me know how you would like to
handle this.
Wei.
next prev parent reply other threads:[~2020-04-21 9:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-20 17:38 [PATCH 0/4] Split hyperv-tlfs.h into generic and arch specific files Michael Kelley
2020-04-20 17:38 ` [PATCH 1/4] KVM: x86: hyperv: Remove duplicate definitions of Reference TSC Page Michael Kelley
2020-04-21 9:29 ` Wei Liu [this message]
2020-04-21 11:16 ` Paolo Bonzini
2020-04-21 11:18 ` Wei Liu
2020-04-21 12:37 ` Vitaly Kuznetsov
2020-04-20 17:38 ` [PATCH 2/4] x86/hyperv: Remove HV_PROCESSOR_POWER_STATE #defines Michael Kelley
2020-04-20 17:38 ` [PATCH 3/4] x86/hyperv: Split hyperv-tlfs.h into arch dependent and independent files Michael Kelley
2020-04-20 17:38 ` [PATCH 4/4] asm-generic/hyperv: Add definitions for Get/SetVpRegister hypercalls Michael Kelley
2020-04-21 13:02 ` Vitaly Kuznetsov
2020-04-21 15:50 ` Michael Kelley
2020-04-22 20:04 ` Michael Kelley
2020-04-21 11:24 ` [PATCH 0/4] Split hyperv-tlfs.h into generic and arch specific files Wei Liu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200421092925.rxb72yep4paruvi6@debian \
--to=wei.liu@kernel.org \
--cc=bp@alien8.de \
--cc=haiyangz@microsoft.com \
--cc=hpa@zytor.com \
--cc=jmattson@google.com \
--cc=joro@8bytes.org \
--cc=kvm@vger.kernel.org \
--cc=kys@microsoft.com \
--cc=linux-hyperv@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mikelley@microsoft.com \
--cc=mingo@redhat.com \
--cc=pbonzini@redhat.com \
--cc=sean.j.christopherson@intel.com \
--cc=sthemmin@microsoft.com \
--cc=tglx@linutronix.de \
--cc=vkuznets@redhat.com \
--cc=wanpengli@tencent.com \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox