On Thu, May 14, 2020 at 06:03:20PM -0700, Andy Lutomirski wrote:
> On Thu, May 14, 2020 at 3:56 PM Sean Christopherson
> wrote:
> >
> > On Thu, May 14, 2020 at 06:05:16PM -0400, Peter Xu wrote:
> > > On Thu, May 14, 2020 at 08:05:35PM +0200, Vitaly Kuznetsov wrote:
> > > > The idea of the
Sean Christopherson writes:
> On Thu, May 14, 2020 at 07:22:50PM -0400, Peter Xu wrote:
>> On Thu, May 14, 2020 at 03:56:24PM -0700, Sean Christopherson wrote:
>> > On Thu, May 14, 2020 at 06:05:16PM -0400, Peter Xu wrote:
>> > > E.g., shm_open() with a handle and fill one 0xff page, then remap
On Thu, May 14, 2020 at 3:56 PM Sean Christopherson
wrote:
>
> On Thu, May 14, 2020 at 06:05:16PM -0400, Peter Xu wrote:
> > On Thu, May 14, 2020 at 08:05:35PM +0200, Vitaly Kuznetsov wrote:
> > > The idea of the patchset was suggested by Michael S. Tsirkin.
> > >
> > > PCIe config space can
On Thu, May 14, 2020 at 07:22:50PM -0400, Peter Xu wrote:
> On Thu, May 14, 2020 at 03:56:24PM -0700, Sean Christopherson wrote:
> > On Thu, May 14, 2020 at 06:05:16PM -0400, Peter Xu wrote:
> > > E.g., shm_open() with a handle and fill one 0xff page, then remap it to
> > > anywhere needed in
On Thu, May 14, 2020 at 03:56:24PM -0700, Sean Christopherson wrote:
> On Thu, May 14, 2020 at 06:05:16PM -0400, Peter Xu wrote:
> > On Thu, May 14, 2020 at 08:05:35PM +0200, Vitaly Kuznetsov wrote:
> > > The idea of the patchset was suggested by Michael S. Tsirkin.
> > >
> > > PCIe config space
On Thu, May 14, 2020 at 06:05:16PM -0400, Peter Xu wrote:
> On Thu, May 14, 2020 at 08:05:35PM +0200, Vitaly Kuznetsov wrote:
> > The idea of the patchset was suggested by Michael S. Tsirkin.
> >
> > PCIe config space can (depending on the configuration) be quite big but
> > usually is sparsely
On Thu, May 14, 2020 at 08:05:35PM +0200, Vitaly Kuznetsov wrote:
> The idea of the patchset was suggested by Michael S. Tsirkin.
>
> PCIe config space can (depending on the configuration) be quite big but
> usually is sparsely populated. Guest may scan it by accessing individual
> device's page
The idea of the patchset was suggested by Michael S. Tsirkin.
PCIe config space can (depending on the configuration) be quite big but
usually is sparsely populated. Guest may scan it by accessing individual
device's page which, when device is missing, is supposed to have 'pci
holes' semantics:
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