Re: [Xen-devel] [PATCH V1] xen/arm: domain_build: introduce dom0_lowmem bootargs

2016-09-15 Thread Peng Fan
Hi Edgar, On Thu, Sep 15, 2016 at 10:26:46AM +0200, Edgar E. Iglesias wrote: >On Thu, Sep 15, 2016 at 08:20:33AM +0800, Peng Fan wrote: >> Hi Edgar, >> On Wed, Sep 14, 2016 at 04:16:58PM +0200, Edgar E. Iglesias wrote: >> >On Wed, Sep 14, 2016 at 08:40:09PM +0800, Peng Fan wrote: >> >> On Wed, Sep

Re: [Xen-devel] [PATCH V1] xen/arm: domain_build: introduce dom0_lowmem bootargs

2016-09-15 Thread Julien Grall
Hi, On 15/09/2016 09:26, Edgar E. Iglesias wrote: On Thu, Sep 15, 2016 at 08:20:33AM +0800, Peng Fan wrote: Hi Edgar, On Wed, Sep 14, 2016 at 04:16:58PM +0200, Edgar E. Iglesias wrote: On Wed, Sep 14, 2016 at 08:40:09PM +0800, Peng Fan wrote: On Wed, Sep 14, 2016 at 01:34:10PM +0100, Julien

Re: [Xen-devel] [PATCH V1] xen/arm: domain_build: introduce dom0_lowmem bootargs

2016-09-15 Thread Edgar E. Iglesias
On Thu, Sep 15, 2016 at 08:20:33AM +0800, Peng Fan wrote: > Hi Edgar, > On Wed, Sep 14, 2016 at 04:16:58PM +0200, Edgar E. Iglesias wrote: > >On Wed, Sep 14, 2016 at 08:40:09PM +0800, Peng Fan wrote: > >> On Wed, Sep 14, 2016 at 01:34:10PM +0100, Julien Grall wrote: > >> > > >> > > >> >On 14/09/16

Re: [Xen-devel] [PATCH V1] xen/arm: domain_build: introduce dom0_lowmem bootargs

2016-09-14 Thread Peng Fan
Hi Edgar, On Wed, Sep 14, 2016 at 04:16:58PM +0200, Edgar E. Iglesias wrote: >On Wed, Sep 14, 2016 at 08:40:09PM +0800, Peng Fan wrote: >> On Wed, Sep 14, 2016 at 01:34:10PM +0100, Julien Grall wrote: >> > >> > >> >On 14/09/16 13:18, Peng Fan wrote: >> >>Hello Julien, >> >> >> >>On Wed, Sep 14,

Re: [Xen-devel] [PATCH V1] xen/arm: domain_build: introduce dom0_lowmem bootargs

2016-09-14 Thread Edgar E. Iglesias
On Wed, Sep 14, 2016 at 08:40:09PM +0800, Peng Fan wrote: > On Wed, Sep 14, 2016 at 01:34:10PM +0100, Julien Grall wrote: > > > > > >On 14/09/16 13:18, Peng Fan wrote: > >>Hello Julien, > >> > >>On Wed, Sep 14, 2016 at 01:06:01PM +0100, Julien Grall wrote: > >>> > >>> > >>>On 14/09/16 13:03, Peng

Re: [Xen-devel] [PATCH V1] xen/arm: domain_build: introduce dom0_lowmem bootargs

2016-09-14 Thread Peng Fan
On Wed, Sep 14, 2016 at 01:34:10PM +0100, Julien Grall wrote: > > >On 14/09/16 13:18, Peng Fan wrote: >>Hello Julien, >> >>On Wed, Sep 14, 2016 at 01:06:01PM +0100, Julien Grall wrote: >>> >>> >>>On 14/09/16 13:03, Peng Fan wrote: Hello Julien, >>> >>>Hello Peng, >>> On Wed, Sep 14, 2016

Re: [Xen-devel] [PATCH V1] xen/arm: domain_build: introduce dom0_lowmem bootargs

2016-09-14 Thread Julien Grall
On 14/09/16 13:18, Peng Fan wrote: Hello Julien, On Wed, Sep 14, 2016 at 01:06:01PM +0100, Julien Grall wrote: On 14/09/16 13:03, Peng Fan wrote: Hello Julien, Hello Peng, On Wed, Sep 14, 2016 at 11:47:10AM +0100, Julien Grall wrote: Hello, On 14/09/16 08:41, Peng Fan wrote: On

Re: [Xen-devel] [PATCH V1] xen/arm: domain_build: introduce dom0_lowmem bootargs

2016-09-14 Thread Peng Fan
Hello Julien, On Wed, Sep 14, 2016 at 01:06:01PM +0100, Julien Grall wrote: > > >On 14/09/16 13:03, Peng Fan wrote: >>Hello Julien, > >Hello Peng, > >>On Wed, Sep 14, 2016 at 11:47:10AM +0100, Julien Grall wrote: >>>Hello, >>> >>>On 14/09/16 08:41, Peng Fan wrote: On Wed, Sep 14, 2016 at

Re: [Xen-devel] [PATCH V1] xen/arm: domain_build: introduce dom0_lowmem bootargs

2016-09-14 Thread Julien Grall
On 14/09/16 13:03, Peng Fan wrote: Hello Julien, Hello Peng, On Wed, Sep 14, 2016 at 11:47:10AM +0100, Julien Grall wrote: Hello, On 14/09/16 08:41, Peng Fan wrote: On Wed, Sep 14, 2016 at 08:23:24AM +0100, Julien Grall wrote: diff --git a/xen/arch/arm/domain_build.c

Re: [Xen-devel] [PATCH V1] xen/arm: domain_build: introduce dom0_lowmem bootargs

2016-09-14 Thread Peng Fan
Hello Julien, On Wed, Sep 14, 2016 at 11:47:10AM +0100, Julien Grall wrote: >Hello, > >On 14/09/16 08:41, Peng Fan wrote: >>On Wed, Sep 14, 2016 at 08:23:24AM +0100, Julien Grall wrote: >>diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c >>index 35ab08d..cc71e6f 100644 >>---

Re: [Xen-devel] [PATCH V1] xen/arm: domain_build: introduce dom0_lowmem bootargs

2016-09-14 Thread Julien Grall
Hello, On 14/09/16 08:41, Peng Fan wrote: On Wed, Sep 14, 2016 at 08:23:24AM +0100, Julien Grall wrote: diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c index 35ab08d..cc71e6f 100644 --- a/xen/arch/arm/domain_build.c +++ b/xen/arch/arm/domain_build.c @@ -28,6 +28,8 @@

Re: [Xen-devel] [PATCH V1] xen/arm: domain_build: introduce dom0_lowmem bootargs

2016-09-14 Thread Peng Fan
Hello Julien, On Wed, Sep 14, 2016 at 08:23:24AM +0100, Julien Grall wrote: >Hello, > >On 14/09/2016 06:12, Peng Fan wrote: >>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

Re: [Xen-devel] [PATCH V1] xen/arm: domain_build: introduce dom0_lowmem bootargs

2016-09-14 Thread Julien Grall
Hello, On 14/09/2016 06:12, Peng Fan wrote: 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. Introduce dom0_lowmem bootargs, user could pass

[Xen-devel] [PATCH V1] xen/arm: domain_build: introduce dom0_lowmem bootargs

2016-09-13 Thread 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. Introduce dom0_lowmem bootargs, user could pass "dom0_lowmem=xx" to xen. It means how much memory user