Re: [Xen-devel] [PATCH v5 00/22] xen/arm64: Add support for 64KB page in Linux

2015-10-05 Thread Ian Campbell
On Fri, 2015-10-02 at 09:25 -0400, Konrad Rzeszutek Wilk wrote: > On Fri, Oct 02, 2015 at 10:51:34AM +0100, Ian Campbell wrote: > > (trimming and reordering To/Cc) > > > > On Thu, 2015-10-01 at 16:15 +0100, David Vrabel wrote: > > > On 30/09/15 11:45, Julien Grall wrote: > > > > Hi all, > > > > >

Re: [Xen-devel] [PATCH v5 00/22] xen/arm64: Add support for 64KB page in Linux

2015-10-02 Thread Konrad Rzeszutek Wilk
On Fri, Oct 02, 2015 at 09:25:15AM -0400, Boris Ostrovsky wrote: > > > On 10/02/2015 05:51 AM, Ian Campbell wrote: > >(trimming and reordering To/Cc) > > > >On Thu, 2015-10-01 at 16:15 +0100, David Vrabel wrote: > >>On 30/09/15 11:45, Julien Grall wrote: > >>>Hi all, > >>> > >>>ARM64 Linux is sup

Re: [Xen-devel] [PATCH v5 00/22] xen/arm64: Add support for 64KB page in Linux

2015-10-02 Thread Boris Ostrovsky
On 10/02/2015 05:51 AM, Ian Campbell wrote: (trimming and reordering To/Cc) On Thu, 2015-10-01 at 16:15 +0100, David Vrabel wrote: On 30/09/15 11:45, Julien Grall wrote: Hi all, ARM64 Linux is supporting both 4KB and 64KB page granularity. Although, Xen hypercall interface and PV protocol a

Re: [Xen-devel] [PATCH v5 00/22] xen/arm64: Add support for 64KB page in Linux

2015-10-02 Thread Ian Campbell
(trimming and reordering To/Cc) On Thu, 2015-10-01 at 16:15 +0100, David Vrabel wrote: > On 30/09/15 11:45, Julien Grall wrote: > > Hi all, > > > > ARM64 Linux is supporting both 4KB and 64KB page granularity. Although, > > Xen > > hypercall interface and PV protocol are always based on 4KB page

Re: [Xen-devel] [PATCH v5 00/22] xen/arm64: Add support for 64KB page in Linux

2015-10-01 Thread David Vrabel
On 30/09/15 11:45, Julien Grall wrote: > Hi all, > > ARM64 Linux is supporting both 4KB and 64KB page granularity. Although, Xen > hypercall interface and PV protocol are always based on 4KB page granularity. > > Any attempt to boot a Linux guest with 64KB pages enabled will result to a > guest c

Re: [Xen-devel] [PATCH v5 00/22] xen/arm64: Add support for 64KB page in Linux

2015-09-30 Thread Mark Rutland
> > Just to check, would this be expected to work with a 16K DomU (e.g. > > [2])? > > > > From a quick scan it looks like the relaxations provided by this series > > should work so long as PAGE_SIZE % XEN_PAGE_SIZE == 0, assuming I > > haven't missed something. > > Correct, this series is able to

Re: [Xen-devel] [PATCH v5 00/22] xen/arm64: Add support for 64KB page in Linux

2015-09-30 Thread Julien Grall
On 30/09/15 12:32, Mark Rutland wrote: > On Wed, Sep 30, 2015 at 11:45:15AM +0100, Julien Grall wrote: >> Hi all, > > Hi, > >> ARM64 Linux is supporting both 4KB and 64KB page granularity. Although, Xen >> hypercall interface and PV protocol are always based on 4KB page granularity. >> >> Any att

Re: [Xen-devel] [PATCH v5 00/22] xen/arm64: Add support for 64KB page in Linux

2015-09-30 Thread Mark Rutland
On Wed, Sep 30, 2015 at 11:45:15AM +0100, Julien Grall wrote: > Hi all, Hi, > ARM64 Linux is supporting both 4KB and 64KB page granularity. Although, Xen > hypercall interface and PV protocol are always based on 4KB page granularity. > > Any attempt to boot a Linux guest with 64KB pages enabled

[Xen-devel] [PATCH v5 00/22] xen/arm64: Add support for 64KB page in Linux

2015-09-30 Thread Julien Grall
Hi all, ARM64 Linux is supporting both 4KB and 64KB page granularity. Although, Xen hypercall interface and PV protocol are always based on 4KB page granularity. Any attempt to boot a Linux guest with 64KB pages enabled will result to a guest crash. This series is a first attempt to allow those