linux-kernel - Re: [PATCH v5 9/9] Documentation: virtual: kvm: Support vcpu preempted check

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Message-ID: <20161021012348.GC8429@tardis.cn.ibm.com>
Date:   Fri, 21 Oct 2016 09:23:48 +0800
From:   Boqun Feng <boqun.feng@...il.com>
To:     Pan Xinhui <xinhui.pan@...ux.vnet.ibm.com>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        virtualization@...ts.linux-foundation.org,
        linux-s390@...r.kernel.org, xen-devel-request@...ts.xenproject.org,
        kvm@...r.kernel.org, benh@...nel.crashing.org, paulus@...ba.org,
        mpe@...erman.id.au, mingo@...hat.com, peterz@...radead.org,
        paulmck@...ux.vnet.ibm.com, will.deacon@....com,
        kernellwp@...il.com, jgross@...e.com, pbonzini@...hat.com,
        bsingharora@...il.com, borntraeger@...ibm.com, rkrcmar@...hat.com
Subject: Re: [PATCH v5 9/9] Documentation: virtual: kvm: Support vcpu
 preempted check

On Thu, Oct 20, 2016 at 05:27:54PM -0400, Pan Xinhui wrote:
> Commit ("x86, kvm: support vcpu preempted check") add one field "__u8
> preempted" into struct kvm_steal_time. This field tells if one vcpu is
> running or not.
> 
> It is zero if 1) some old KVM deos not support this filed. 2) the vcpu is
> preempted. Other values means the vcpu has been preempted.
  ^^^^^^^^^
s/preempted/not preempted

And better to fix other typos in the commit log ;-)
Maybe you can try aspell? That works for me.

Regards,
Boqun

> 
> Signed-off-by: Pan Xinhui <xinhui.pan@...ux.vnet.ibm.com>
> ---
>  Documentation/virtual/kvm/msr.txt | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/virtual/kvm/msr.txt b/Documentation/virtual/kvm/msr.txt
> index 2a71c8f..3376f13 100644
> --- a/Documentation/virtual/kvm/msr.txt
> +++ b/Documentation/virtual/kvm/msr.txt
> @@ -208,7 +208,8 @@ MSR_KVM_STEAL_TIME: 0x4b564d03
>  		__u64 steal;
>  		__u32 version;
>  		__u32 flags;
> -		__u32 pad[12];
> +		__u8  preempted;
> +		__u32 pad[11];
>  	}
>  
>  	whose data will be filled in by the hypervisor periodically. Only one
> @@ -232,6 +233,11 @@ MSR_KVM_STEAL_TIME: 0x4b564d03
>  		nanoseconds. Time during which the vcpu is idle, will not be
>  		reported as steal time.
>  
> +		preempted: indicate the VCPU who owns this struct is running or
> +		not. Non-zero values mean the VCPU has been preempted. Zero
> +		means the VCPU is not preempted. NOTE, it is always zero if the
> +		the hypervisor doesn't support this field.
> +
>  MSR_KVM_EOI_EN: 0x4b564d04
>  	data: Bit 0 is 1 when PV end of interrupt is enabled on the vcpu; 0
>  	when disabled.  Bit 1 is reserved and must be zero.  When PV end of
> -- 
> 2.4.11
> 

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