On Fri, Jan 20, 2017 at 02:53:34PM -0800, Stefano Stabellini wrote:
> On Fri, 20 Jan 2017, Roger Pau Monné wrote:
> > > > > So you need DOM0 to tell the list of regions.
> > > >
> > > > Yes, I agree that we need such hypercall ATM, although I think that we
> > > > might be
> > > > able to get rid
On Fri, 20 Jan 2017, Roger Pau Monné wrote:
> > > > So you need DOM0 to tell the list of regions.
> > >
> > > Yes, I agree that we need such hypercall ATM, although I think that we
> > > might be
> > > able to get rid of it in the long term if we are able to parse the AML
> > > tables
> > > from
On Fri, Jan 20, 2017 at 02:10:33PM +0100, Julien Grall wrote:
> Hi Royger,
>
> On 20/01/2017 12:01, Roger Pau Monné wrote:
> > On Thu, Jan 19, 2017 at 09:14:03PM +0100, Julien Grall wrote:
> In case of ARM, Xen does not use any PCI devices (no PCI UART) itself so
> scanning before hand is not nece
Hi Royger,
On 20/01/2017 12:01, Roger Pau Monné wrote:
On Thu, Jan 19, 2017 at 09:14:03PM +0100, Julien Grall wrote:
On 19/01/2017 19:22, Stefano Stabellini wrote:
On Thu, 19 Jan 2017, Roger Pau Monné wrote:
On Wed, Jan 18, 2017 at 07:13:23PM +, Julien Grall wrote:
Hi,
On 18/01/17 19:05
On Thu, Jan 19, 2017 at 09:14:03PM +0100, Julien Grall wrote:
> Hello,
>
> On 19/01/2017 19:22, Stefano Stabellini wrote:
> > On Thu, 19 Jan 2017, Roger Pau Monné wrote:
> > > On Wed, Jan 18, 2017 at 07:13:23PM +, Julien Grall wrote:
> > > > Hi,
> > > >
> > > > On 18/01/17 19:05, Stefano Stab
Hello,
On 19/01/2017 19:22, Stefano Stabellini wrote:
On Thu, 19 Jan 2017, Roger Pau Monné wrote:
On Wed, Jan 18, 2017 at 07:13:23PM +, Julien Grall wrote:
Hi,
On 18/01/17 19:05, Stefano Stabellini wrote:
On Wed, 18 Jan 2017, Roger Pau Monné wrote:
On Tue, Jan 17, 2017 at 02:20:54PM -08
On Thu, 19 Jan 2017, Roger Pau Monné wrote:
> On Wed, Jan 18, 2017 at 07:13:23PM +, Julien Grall wrote:
> > Hi,
> >
> > On 18/01/17 19:05, Stefano Stabellini wrote:
> > > On Wed, 18 Jan 2017, Roger Pau Monné wrote:
> > > > On Tue, Jan 17, 2017 at 02:20:54PM -0800, Stefano Stabellini wrote:
> >
On Wed, Jan 18, 2017 at 07:13:23PM +, Julien Grall wrote:
> Hi,
>
> On 18/01/17 19:05, Stefano Stabellini wrote:
> > On Wed, 18 Jan 2017, Roger Pau Monné wrote:
> > > On Tue, Jan 17, 2017 at 02:20:54PM -0800, Stefano Stabellini wrote:
> > > > a) One option is to provide a Xen specific implemen
Hi,
On 18/01/17 19:05, Stefano Stabellini wrote:
On Wed, 18 Jan 2017, Roger Pau Monné wrote:
On Tue, Jan 17, 2017 at 02:20:54PM -0800, Stefano Stabellini wrote:
a) One option is to provide a Xen specific implementation of
acpi_os_ioremap in Linux. I think this is the cleanest approach, but
unf
On Wed, 18 Jan 2017, Roger Pau Monné wrote:
> On Tue, Jan 17, 2017 at 02:20:54PM -0800, Stefano Stabellini wrote:
> > a) One option is to provide a Xen specific implementation of
> > acpi_os_ioremap in Linux. I think this is the cleanest approach, but
> > unfortunately, it doesn't cover cases where
On Wed, 18 Jan 2017, Jan Beulich wrote:
> >>> On 17.01.17 at 23:20, wrote:
> > b) Otherwise, we could write an alternative implementation of ioremap
> > on arm64. The Xen specific ioremap would request a stage-2 mapping
> > first, then create the stage-1 mapping as usual. However, this means
> > i
On Tue, Jan 17, 2017 at 02:20:54PM -0800, Stefano Stabellini wrote:
> a) One option is to provide a Xen specific implementation of
> acpi_os_ioremap in Linux. I think this is the cleanest approach, but
> unfortunately, it doesn't cover cases where ioremap is used directly. (2)
> is one of such case
>>> On 17.01.17 at 23:20, wrote:
> b) Otherwise, we could write an alternative implementation of ioremap
> on arm64. The Xen specific ioremap would request a stage-2 mapping
> first, then create the stage-1 mapping as usual. However, this means
> issuing an hypercall for every ioremap call.
+1 fo
Hi all,
I would like to discuss with ARM64 and ACPI Linux maintainers the best
way to complete ACPI support in Linux for Dom0 on ARM64.
As a reminder, Xen can only parse static ACPI tables. It doesn't have a
bytecode interpreter. Xen maps all ACPI tables to Dom0, which parses
them as it does on
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