RE: [PATCH v6 10/11] xen/arm64: introduce helpers for MPU enable/disable

2022-11-07 Thread Penny Zheng
>> Sent: Monday, November 7, 2022 4:56 AM > >> To: Wei Chen ; xen-devel@lists.xenproject.org > >> Cc: nd ; Penny Zheng ; Stefano > >> Stabellini ; Bertrand Marquis > >> ; Volodymyr Babchuk > >> > >> Subject: Re: [PATCH v6 10/11] xen/arm6

Re: [PATCH v6 10/11] xen/arm64: introduce helpers for MPU enable/disable

2022-11-07 Thread Julien Grall
Babchuk Subject: Re: [PATCH v6 10/11] xen/arm64: introduce helpers for MPU enable/disable Hi Wei, On 04/11/2022 10:07, Wei Chen wrote: From: Penny Zheng We need some helpers for Xen to enable/disable MPU in boot-time and runtime. For MPU enable helper, we know that it's an esse

RE: [PATCH v6 10/11] xen/arm64: introduce helpers for MPU enable/disable

2022-11-07 Thread Penny Zheng
; Subject: Re: [PATCH v6 10/11] xen/arm64: introduce helpers for MPU > enable/disable > > Hi Wei, > > On 04/11/2022 10:07, Wei Chen wrote: > > From: Penny Zheng > > > > We need some helpers for Xen to enable/disable MPU in boot-time and > > runtime. For MPU

Re: [PATCH v6 10/11] xen/arm64: introduce helpers for MPU enable/disable

2022-11-06 Thread Julien Grall
Hi Wei, On 04/11/2022 10:07, Wei Chen wrote: From: Penny Zheng We need some helpers for Xen to enable/disable MPU in boot-time and runtime. For MPU enable helper, we know that it's an essential requirement of MPU system. But for MPU disable, we need to use it for some special situations. For e