[Xen-devel] [PATCH V2] xen/arm: domain_build: allocate lowmem for dom0 as much as possible

2016-09-19 Thread van . freenix
From: Peng Fan On AArch64 SoCs, some IPs may only have the capability to access 32bits address space. The physical memory assigned for Dom0 maybe not in 4GB address space, then the IPs will not work properly. So need to allocate memory under 4GB for Dom0. There is no restriction that how much lo

Re: [Xen-devel] [PATCH V2] xen/arm: domain_build: allocate lowmem for dom0 as much as possible

2016-09-20 Thread Julien Grall
Hello Peng, On 20/09/2016 07:52, van.free...@gmail.com wrote: From: Peng Fan On AArch64 SoCs, some IPs may only have the capability to access 32bits address space. The physical memory assigned for Dom0 maybe s/32bits/32 bits/ not in 4GB address space, then the IPs will not work properly. S

Re: [Xen-devel] [PATCH V2] xen/arm: domain_build: allocate lowmem for dom0 as much as possible

2016-09-20 Thread Peng Fan
Hello Julien, On Tue, Sep 20, 2016 at 10:36:27AM +0200, Julien Grall wrote: >Hello Peng, > >On 20/09/2016 07:52, van.free...@gmail.com wrote: >>From: Peng Fan >> >>On AArch64 SoCs, some IPs may only have the capability to access >>32bits address space. The physical memory assigned for Dom0 maybe

Re: [Xen-devel] [PATCH V2] xen/arm: domain_build: allocate lowmem for dom0 as much as possible

2016-09-21 Thread Julien Grall
On 20/09/16 10:10, Peng Fan wrote: Hello Julien, Hello Peng, On Tue, Sep 20, 2016 at 10:36:27AM +0200, Julien Grall wrote: Hello Peng, On 20/09/2016 07:52, van.free...@gmail.com wrote: From: Peng Fan On AArch64 SoCs, some IPs may only have the capability to access 32bits address space.

Re: [Xen-devel] [PATCH V2] xen/arm: domain_build: allocate lowmem for dom0 as much as possible

2016-09-21 Thread Peng Fan
On Wed, Sep 21, 2016 at 11:39:11AM +0100, Julien Grall wrote: > > >On 20/09/16 10:10, Peng Fan wrote: >>Hello Julien, > >Hello Peng, > >>On Tue, Sep 20, 2016 at 10:36:27AM +0200, Julien Grall wrote: >>>Hello Peng, >>> >>>On 20/09/2016 07:52, van.free...@gmail.com wrote: From: Peng Fan >>>