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From: Avi Kivity <avi@qumranet.com>
To: Alexander Graf <agraf@suse.de>
Cc: KVM list <kvm@vger.kernel.org>, Joerg Roedel <joro@8bytes.org>,
	Anthony Liguori <anthony@codemonkey.ws>
Subject: Re: [PATCH 3/9] Implement GIF, clgi and stgi
Date: Mon, 01 Sep 2008 19:17:08 +0300	[thread overview]
Message-ID: <48BC1584.4020404@qumranet.com> (raw)
In-Reply-To: <9444E915-41DE-4266-B810-3E5EE370D1D5@suse.de>

Alexander Graf wrote:
>>
>> We can't change struct kvm_sregs, since the structure size is encoded 
>> in the ioctl number.  We need a new struct and new ioctls.  The same 
>> was done for mpstate, for example.
>
> Urks - doesn't sounds fast to me.
>

It's only for save/restore, not in any fast path.

>>
>>
>> There's more info needed, btw.  Whether the guest is in guest mode or 
>> host mode; what the current vmcs is; the value of eflags.if at the 
>> time vmrun was executed; and probably more.
>
> Do we really want to support storing the state when within the Level2 
> VM? Can't we just #VMEXIT as soon as we switch to userspace or so? 
> That would probably simplify things a lot.
>

Great idea.  What do we give as the exit reason?

-- 
error compiling committee.c: too many arguments to function


  reply	other threads:[~2008-09-01 16:17 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-01 11:57 [PATCH 0/9] [RFC] Add support for nested SVM (kernel) Alexander Graf
2008-09-01 11:57 ` [PATCH 1/9] Add CPUID feature flag for SVM Alexander Graf
2008-09-01 11:57   ` [PATCH 2/9] Clean up VINTR setting Alexander Graf
2008-09-01 11:57     ` [PATCH 3/9] Implement GIF, clgi and stgi Alexander Graf
2008-09-01 11:57       ` [PATCH 4/9] Add helper functions for nested SVM Alexander Graf
2008-09-01 11:57         ` [PATCH 5/9] Allow setting the SVME bit Alexander Graf
2008-09-01 11:57           ` [PATCH 6/9] Implement hsave Alexander Graf
2008-09-01 11:57             ` [PATCH 7/9] Add VMLOAD and VMSAVE handlers Alexander Graf
2008-09-01 11:58               ` [PATCH 8/9] Add VMRUN handler Alexander Graf
2008-09-01 11:58                 ` [PATCH 9/9] Add VMEXIT handler and intercepts Alexander Graf
2008-09-01 13:58                   ` Avi Kivity
2008-09-02 16:15                     ` Alexander Graf
2008-09-03  9:23                       ` Avi Kivity
2008-09-03  9:33                         ` Alexander Graf
2008-09-03  9:47                           ` Avi Kivity
2008-09-03 11:55                             ` Alexander Graf
2008-09-01 13:41                 ` [PATCH 8/9] Add VMRUN handler Avi Kivity
2008-09-02 15:38                   ` Alexander Graf
2008-09-01 13:27               ` [PATCH 7/9] Add VMLOAD and VMSAVE handlers Avi Kivity
2008-09-01 14:14                 ` Alexander Graf
2008-09-01 14:27                   ` Avi Kivity
2008-09-01 14:49                     ` Alexander Graf
2008-09-01 13:15             ` [PATCH 6/9] Implement hsave Avi Kivity
2008-09-01 14:11               ` Alexander Graf
2008-09-01 14:26                 ` Avi Kivity
2008-09-01 13:21             ` Avi Kivity
2008-09-01 13:14           ` [PATCH 5/9] Allow setting the SVME bit Avi Kivity
2008-09-01 13:11       ` [PATCH 3/9] Implement GIF, clgi and stgi Avi Kivity
2008-09-01 14:02         ` Alexander Graf
2008-09-01 14:25           ` Avi Kivity
2008-09-01 15:37             ` Alexander Graf
2008-09-01 16:05               ` Avi Kivity
2008-09-01 16:13                 ` Alexander Graf
2008-09-01 16:17                   ` Avi Kivity [this message]
2008-09-01 16:40                     ` Alexander Graf
2008-09-02  9:15                       ` Avi Kivity
2008-09-01 13:13     ` [PATCH 2/9] Clean up VINTR setting Avi Kivity
2008-09-01 12:09 ` [PATCH 0/9] [RFC] Add support for nested SVM (kernel) Avi Kivity
2008-09-01 12:21 ` Joerg Roedel
2008-09-01 13:41 ` Daniel P. Berrange
2008-09-01 14:17   ` Alexander Graf
2008-09-01 14:22     ` Avi Kivity
2008-09-01 14:47       ` Alexander Graf
2008-09-01 14:57         ` Avi Kivity

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