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From: Zhenzhong Duan <zhenzhong.duan@oracle.com>
To: linux-kernel@vger.kernel.org
Cc: vkuznets@redhat.com, linux-hyperv@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH v2 0/3] Add a unified parameter "nopvspin"
Date: Tue, 1 Oct 2019 20:19:50 +0800
Message-ID: <099f544b-8ff5-d9ba-1af5-2042075e1e6d@oracle.com> (raw)
In-Reply-To: <1569845340-11884-1-git-send-email-zhenzhong.duan@oracle.com>

On 2019/9/30 20:08, Zhenzhong Duan wrote:
> There are cases folks want to disable spinlock optimization for
> debug/test purpose. Xen and hyperv already have parameters "xen_nopvspin"
> and "hv_nopvspin" to support that, but kvm doesn't.
>
> The first patch adds that feature to KVM guest with "nopvspin".
>
> For compatibility reason original parameters "xen_nopvspin" and
> "hv_nopvspin" are retained and marked obsolete.
>
> v2:
> PATCH1: pick the print code change into seperate PATCH2,
>          updated patch description             [Vitaly Kuznetsov]
> PATCH2: new patch with print code change      [Vitaly Kuznetsov]

Sorry, please ignore this mail thread, just found the indentation in 
PATCH2 is wrong. I'll send a v3 later.

Thanks

Zhenzhong


      parent reply index

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-30 12:08 Zhenzhong Duan
2019-09-30 12:08 ` [PATCH v2 1/4] x86/kvm: Add "nopvspin" parameter to disable PV spinlocks Zhenzhong Duan
2019-09-30 12:08 ` [PATCH v2 2/4] x86/kvm: Change print code to use pr_*() format Zhenzhong Duan
2019-09-30 12:08 ` [PATCH v2 3/4] xen: Mark "xen_nopvspin" parameter obsolete and map it to "nopvspin" Zhenzhong Duan
2019-09-30 12:09 ` [PATCH v2 4/4] x86/hyperv: Mark "hv_nopvspin" " Zhenzhong Duan
2019-10-01 12:19 ` Zhenzhong Duan [this message]

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