;> Sent: Thursday, February 2, 2023 2:57 AM
> >> To: Penny Zheng ;
> >> xen-devel@lists.xenproject.org; Wei Chen ;
> Stefano
> >> Stabellini ; Bertrand Marquis
> >> ; ayan.kumar.hal...@xilinx.com
> >> Cc: Volodymyr Babchuk
> >> Subject: Re: [PATCH
Babchuk
Subject: Re: [PATCH v2 11/40] xen/mpu: build up start-of-day Xen MPU
memory region map
Hi Penny,
On 01/02/2023 05:39, Penny Zheng wrote:
If we are adding MPU regions in sequence as you suggested, while
using bitmap at the same time to record used entry.
TBH, this is how I designed
; Subject: Re: [PATCH v2 11/40] xen/mpu: build up start-of-day Xen MPU
> memory region map
>
> Hi Penny,
>
> On 01/02/2023 05:39, Penny Zheng wrote:
> >>> If we are adding MPU regions in sequence as you suggested, while
> >>> using bitmap at the same time t
Hi Penny,
On 01/02/2023 05:39, Penny Zheng wrote:
If we are adding MPU regions in sequence as you suggested, while using
bitmap at the same time to record used entry.
TBH, this is how I designed at the very beginning internally. We found
that if we don't do reorg late-boot to keep fixed in
023 5:40 PM
> >> To: Penny Zheng ; xen-
> de...@lists.xenproject.org
> >> Cc: Wei Chen ; Stefano Stabellini
> >> ; Bertrand Marquis
> >> ; Volodymyr Babchuk
> >>
> >> Subject: Re: [PATCH v2 11/40] xen/mpu: build up start-of-day Xen
] xen/mpu: build up start-of-day Xen MPU
memory region map
Hi Penny,
On 30/01/2023 05:45, Penny Zheng wrote:
There are three types of MPU regions during boot-time:
1. Fixed MPU region
Regions like Xen text section, Xen heap section, etc.
2. Boot-only MPU region
Regions like Xen init sections, etc
Hi Julien
> -Original Message-
> From: Julien Grall
> Sent: Monday, January 30, 2023 5:40 PM
> To: Penny Zheng ; xen-devel@lists.xenproject.org
> Cc: Wei Chen ; Stefano Stabellini
> ; Bertrand Marquis ;
> Volodymyr Babchuk
> Subject: Re: [PATCH v2 11/40] xen/mp
Hi Penny,
On 30/01/2023 05:45, Penny Zheng wrote:
There are three types of MPU regions during boot-time:
1. Fixed MPU region
Regions like Xen text section, Xen heap section, etc.
2. Boot-only MPU region
Regions like Xen init sections, etc. It will be removed at the end of booting.
3.
; xen-
> de...@lists.xenproject.org
> >> Cc: Wei Chen ; Stefano Stabellini
> >> ; Bertrand Marquis
> >> ; Volodymyr Babchuk
> >>
> >> Subject: Re: [PATCH v2 11/40] xen/mpu: build up start-of-day Xen MPU
> >> memory region map
> >>
> >>
/mpu: build up start-of-day Xen MPU
memory region map
Hi Penny,
Hi Julien
Sorry for the late response, just come back from Chinese Spring Festival
Holiday~
On 13/01/2023 05:28, Penny Zheng wrote:
From: Penny Zheng
The start-of-day Xen MPU memory region layout shall be like as follows
ubject: Re: [PATCH v2 11/40] xen/mpu: build up start-of-day Xen MPU
> memory region map
>
>
> On 13/01/2023 05:28, Penny Zheng wrote:
> > CAUTION: This message has originated from an External Source. Please use
> proper judgment and caution when opening attachment
> -Original Message-
> From: Julien Grall
> Sent: Thursday, January 19, 2023 11:04 PM
> To: Penny Zheng ; xen-devel@lists.xenproject.org
> Cc: Wei Chen ; Stefano Stabellini
> ; Bertrand Marquis ;
> Volodymyr Babchuk
> Subject: Re: [PATCH v2 11/40] xen/mpu: build
Hi Penny,
On 13/01/2023 05:28, Penny Zheng wrote:
From: Penny Zheng
The start-of-day Xen MPU memory region layout shall be like as follows:
xen_mpumap[0] : Xen text
xen_mpumap[1] : Xen read-only data
xen_mpumap[2] : Xen read-only after init data
xen_mpumap[3] : Xen read-write data
On 13/01/2023 05:28, Penny Zheng wrote:
CAUTION: This message has originated from an External Source. Please use proper
judgment and caution when opening attachments, clicking links, or responding to
this email.
From: Penny Zheng
The start-of-day Xen MPU memory region layout shall be
From: Penny Zheng
The start-of-day Xen MPU memory region layout shall be like as follows:
xen_mpumap[0] : Xen text
xen_mpumap[1] : Xen read-only data
xen_mpumap[2] : Xen read-only after init data
xen_mpumap[3] : Xen read-write data
xen_mpumap[4] : Xen BSS
..
xen_mpumap[max_xen_mpumap - 2]:
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