RE: [PATCH v2 1/6] xen: introduce XEN_DOMCTL_CDF_directmap

2021-11-09 Thread Penny Zheng
Hi Julien > -Original Message- > From: Julien Grall > Sent: Friday, October 15, 2021 4:57 PM > To: Penny Zheng ; xen-devel@lists.xenproject.org; > sstabell...@kernel.org > Cc: Wei Chen ; Bertrand Marquis > > Subject: Re: [PATCH v2 1/6] xen: introduce XEN_DOMC

Re: [PATCH v2 1/6] xen: introduce XEN_DOMCTL_CDF_directmap

2021-10-15 Thread Jan Beulich
On 15.10.2021 11:59, Penny Zheng wrote: >> From: Jan Beulich >> Sent: Friday, October 15, 2021 4:47 PM >> >> On 15.10.2021 05:09, Penny Zheng wrote: >>> xen/arch/arm/domain.c| 3 ++- >>> xen/arch/arm/domain_build.c | 4 +++- >>> xen/common/domain.c | 3 ++- >>> xen/include/asm-a

RE: [PATCH v2 1/6] xen: introduce XEN_DOMCTL_CDF_directmap

2021-10-15 Thread Penny Zheng
Hi julien > -Original Message- > From: Julien Grall > Sent: Friday, October 15, 2021 4:57 PM > To: Penny Zheng ; xen-devel@lists.xenproject.org; > sstabell...@kernel.org > Cc: Wei Chen ; Bertrand Marquis > > Subject: Re: [PATCH v2 1/6] xen: introduce XEN_DOMC

RE: [PATCH v2 1/6] xen: introduce XEN_DOMCTL_CDF_directmap

2021-10-15 Thread Penny Zheng
Hi Jan > -Original Message- > From: Jan Beulich > Sent: Friday, October 15, 2021 4:47 PM > To: Penny Zheng > Cc: Wei Chen ; Bertrand Marquis > ; xen-devel@lists.xenproject.org; > sstabell...@kernel.org; jul...@xen.org > Subject: Re: [PATCH v2 1/6] xen: introduce

Re: [PATCH v2 1/6] xen: introduce XEN_DOMCTL_CDF_directmap

2021-10-15 Thread Julien Grall
Hi Penny, On 15/10/2021 04:09, Penny Zheng wrote: diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c index 0167731ab0..37e2d62d47 100644 --- a/xen/arch/arm/domain_build.c +++ b/xen/arch/arm/domain_build.c @@ -3069,8 +3069,10 @@ static int __init construct_dom0(struct domain *

Re: [PATCH v2 1/6] xen: introduce XEN_DOMCTL_CDF_directmap

2021-10-15 Thread Jan Beulich
On 15.10.2021 05:09, Penny Zheng wrote: > From: Stefano Stabellini > > This commit introduces a new arm-specific flag XEN_DOMCTL_CDF_directmap to > specify that this domain should have its memory directly mapped > (guest physical address == physical address) at domain creation. > > Refine is_dom

[PATCH v2 1/6] xen: introduce XEN_DOMCTL_CDF_directmap

2021-10-14 Thread Penny Zheng
From: Stefano Stabellini This commit introduces a new arm-specific flag XEN_DOMCTL_CDF_directmap to specify that this domain should have its memory directly mapped (guest physical address == physical address) at domain creation. Refine is_domain_direct_mapped to check whether the flag XEN_DOMCTL