On Thu, 29 Dec 2022 12:08:23 +0800, Jason Wang wrote:
> On Thu, Dec 29, 2022 at 11:49 AM Xuan Zhuo wrote:
> >
> > On Thu, 29 Dec 2022 11:22:13 +0800, Jason Wang wrote:
> > > On Thu, Dec 29, 2022 at 10:10 AM Xuan Zhuo
> > > wrote:
> > > >
> > > > On Wed, 28 Dec 2022 19:41:13 +0800, Jason Wang
On Thu, Dec 29, 2022 at 11:49 AM Xuan Zhuo wrote:
>
> On Thu, 29 Dec 2022 11:22:13 +0800, Jason Wang wrote:
> > On Thu, Dec 29, 2022 at 10:10 AM Xuan Zhuo
> > wrote:
> > >
> > > On Wed, 28 Dec 2022 19:41:13 +0800, Jason Wang
> > > wrote:
> > > > On Wed, Dec 28, 2022 at 4:34 PM Xuan Zhuo
>
On Thu, 29 Dec 2022 11:22:13 +0800, Jason Wang wrote:
> On Thu, Dec 29, 2022 at 10:10 AM Xuan Zhuo wrote:
> >
> > On Wed, 28 Dec 2022 19:41:13 +0800, Jason Wang wrote:
> > > On Wed, Dec 28, 2022 at 4:34 PM Xuan Zhuo
> > > wrote:
> > > >
> > > > On Tue, 27 Dec 2022 01:58:22 -0500, "Michael S.
On Thu, Dec 29, 2022 at 10:10 AM Xuan Zhuo wrote:
>
> On Wed, 28 Dec 2022 19:41:13 +0800, Jason Wang wrote:
> > On Wed, Dec 28, 2022 at 4:34 PM Xuan Zhuo
> > wrote:
> > >
> > > On Tue, 27 Dec 2022 01:58:22 -0500, "Michael S. Tsirkin"
> > > wrote:
> > > > On Tue, Dec 27, 2022 at 12:33:53PM
On Wed, 28 Dec 2022 19:41:13 +0800, Jason Wang wrote:
> On Wed, Dec 28, 2022 at 4:34 PM Xuan Zhuo wrote:
> >
> > On Tue, 27 Dec 2022 01:58:22 -0500, "Michael S. Tsirkin"
> > wrote:
> > > On Tue, Dec 27, 2022 at 12:33:53PM +0800, Jason Wang wrote:
> > > > On Tue, Dec 27, 2022 at 10:25 AM Xuan
On Wed, 28 Dec 2022 19:43:56 +0800, Jason Wang wrote:
> On Wed, Dec 28, 2022 at 4:40 PM Xuan Zhuo wrote:
> >
> > On Tue, 27 Dec 2022 12:33:53 +0800, Jason Wang wrote:
> > > On Tue, Dec 27, 2022 at 10:25 AM Xuan Zhuo
> > > wrote:
> > > >
> > > > On Mon, 26 Dec 2022 15:49:08 +0800, Jason Wang
On Wed, Dec 28, 2022 at 4:40 PM Xuan Zhuo wrote:
>
> On Tue, 27 Dec 2022 12:33:53 +0800, Jason Wang wrote:
> > On Tue, Dec 27, 2022 at 10:25 AM Xuan Zhuo
> > wrote:
> > >
> > > On Mon, 26 Dec 2022 15:49:08 +0800, Jason Wang
> > > wrote:
> > > > We used to busy waiting on the cvq command this
On Wed, Dec 28, 2022 at 4:34 PM Xuan Zhuo wrote:
>
> On Tue, 27 Dec 2022 01:58:22 -0500, "Michael S. Tsirkin"
> wrote:
> > On Tue, Dec 27, 2022 at 12:33:53PM +0800, Jason Wang wrote:
> > > On Tue, Dec 27, 2022 at 10:25 AM Xuan Zhuo
> > > wrote:
> > > >
> > > > On Mon, 26 Dec 2022 15:49:08
On Tue, 27 Dec 2022 12:33:53 +0800, Jason Wang wrote:
> On Tue, Dec 27, 2022 at 10:25 AM Xuan Zhuo wrote:
> >
> > On Mon, 26 Dec 2022 15:49:08 +0800, Jason Wang wrote:
> > > We used to busy waiting on the cvq command this tends to be
> > > problematic since:
> > >
> > > 1) CPU could wait for
On Tue, 27 Dec 2022 01:58:22 -0500, "Michael S. Tsirkin"
wrote:
> On Tue, Dec 27, 2022 at 12:33:53PM +0800, Jason Wang wrote:
> > On Tue, Dec 27, 2022 at 10:25 AM Xuan Zhuo
> > wrote:
> > >
> > > On Mon, 26 Dec 2022 15:49:08 +0800, Jason Wang
> > > wrote:
> > > > We used to busy waiting on
在 2022/12/27 17:31, Michael S. Tsirkin 写道:
On Tue, Dec 27, 2022 at 05:17:20PM +0800, Jason Wang wrote:
In particular, we will also directly break the device.
It's kind of hardening for malicious devices.
ATM no amount of hardening can prevent a malicious hypervisor from
blocking the guest.
On Tue, Dec 27, 2022 at 05:17:20PM +0800, Jason Wang wrote:
> > > > In particular, we will also directly break the device.
> > > It's kind of hardening for malicious devices.
> > ATM no amount of hardening can prevent a malicious hypervisor from
> > blocking the guest. Recovering when a hardware
在 2022/12/27 14:58, Michael S. Tsirkin 写道:
On Tue, Dec 27, 2022 at 12:33:53PM +0800, Jason Wang wrote:
On Tue, Dec 27, 2022 at 10:25 AM Xuan Zhuo wrote:
On Mon, 26 Dec 2022 15:49:08 +0800, Jason Wang wrote:
We used to busy waiting on the cvq command this tends to be
problematic since:
1)
On Tue, Dec 27, 2022 at 12:33:53PM +0800, Jason Wang wrote:
> On Tue, Dec 27, 2022 at 10:25 AM Xuan Zhuo wrote:
> >
> > On Mon, 26 Dec 2022 15:49:08 +0800, Jason Wang wrote:
> > > We used to busy waiting on the cvq command this tends to be
> > > problematic since:
> > >
> > > 1) CPU could wait
On Tue, Dec 27, 2022 at 10:25 AM Xuan Zhuo wrote:
>
> On Mon, 26 Dec 2022 15:49:08 +0800, Jason Wang wrote:
> > We used to busy waiting on the cvq command this tends to be
> > problematic since:
> >
> > 1) CPU could wait for ever on a buggy/malicous device
> > 2) There's no wait to terminate the
On Mon, 26 Dec 2022 15:49:08 +0800, Jason Wang wrote:
> We used to busy waiting on the cvq command this tends to be
> problematic since:
>
> 1) CPU could wait for ever on a buggy/malicous device
> 2) There's no wait to terminate the process that triggers the cvq
>command
>
> So this patch
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