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Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap
From: |
Edgar E. Iglesias |
Subject: |
Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap |
Date: |
Wed, 19 Sep 2012 06:32:57 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Wed, Sep 19, 2012 at 02:25:48PM +1000, Peter Crosthwaite wrote:
> Ping for PMM,
>
> This is the root case of your block on the SDHCI series - this is a
> discussion on resolution to bogus infinite looping DMA. For current
> participants in this discussion, heres our thread on the same topic
> over in SD land:
>
> http://lists.gnu.org/archive/html/qemu-devel/2012-08/msg01017.html
>
> With the findings here and acknowledgement that this is a general
> problem, we either need to declare this issue of scope for SDHCI, or
> work with these guys (in the immediate future) on the DMA infinite
> loop problem flagged here. I dont mind if SDHCI+ADMA is the guinea pig
> here, but can we get a decisive plan for going forward with this issue
> if it is going to continue to block SDHCI.
>
> Thanks to Igor for identifying the overlap between these discussions.
Hi,
A couple of dumb questions.
What is the reason for the blocker? that possible guest dos is worse
than no functionality at all?
Can't you put the DMA/IO processing into the background?
what's the diff between setup of bad descriptors and writing a
while (1) loop in the guest CPU?
Cheers,
E
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, (continued)
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Avi Kivity, 2012/09/11
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Jan Kiszka, 2012/09/11
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Avi Kivity, 2012/09/11
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Jan Kiszka, 2012/09/11
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Avi Kivity, 2012/09/11
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Jan Kiszka, 2012/09/11
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Avi Kivity, 2012/09/11
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Jan Kiszka, 2012/09/11
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Avi Kivity, 2012/09/11
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Peter Crosthwaite, 2012/09/19
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap,
Edgar E. Iglesias <=
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Peter Crosthwaite, 2012/09/19
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Avi Kivity, 2012/09/19
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Edgar E. Iglesias, 2012/09/19
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Avi Kivity, 2012/09/19
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Edgar E. Iglesias, 2012/09/19
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Igor Mitsyanko, 2012/09/19
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Avi Kivity, 2012/09/19
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Jan Kiszka, 2012/09/19
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Igor Mitsyanko, 2012/09/19
- Re: [Qemu-devel] [PATCH V3 10/11] vcpu: introduce lockmap, Jan Kiszka, 2012/09/11