Re: [PATCH v6 07/11] xen/arm: implement FIXMAP_ADDR for MPU systems

2022-11-11 Thread Julien Grall
On 11/11/2022 07:56, Wei Chen wrote: Hi Julien, -Original Message- From: Julien Grall Sent: 2022年11月10日 2:30 To: Wei Chen ; xen-devel@lists.xenproject.org Cc: nd ; Stefano Stabellini ; Bertrand Marquis ; Volodymyr Babchuk Subject: Re: [PATCH v6 07/11] xen/arm: implement

RE: [PATCH v6 07/11] xen/arm: implement FIXMAP_ADDR for MPU systems

2022-11-10 Thread Wei Chen
Hi Julien, > -Original Message- > From: Julien Grall > Sent: 2022年11月10日 2:30 > To: Wei Chen ; xen-devel@lists.xenproject.org > Cc: nd ; Stefano Stabellini ; Bertrand > Marquis ; Volodymyr Babchuk > > Subject: Re: [PATCH v6 07/11] xen/arm: implement FIXMA

Re: [PATCH v6 07/11] xen/arm: implement FIXMAP_ADDR for MPU systems

2022-11-09 Thread Julien Grall
On 09/11/2022 06:46, Wei Chen wrote: Hi Julien, Hi Wei, -Original Message- From: Julien Grall Sent: 2022年11月7日 3:45 To: Wei Chen ; xen-devel@lists.xenproject.org Cc: nd ; Stefano Stabellini ; Bertrand Marquis ; Volodymyr Babchuk Subject: Re: [PATCH v6 07/11] xen/arm: implement

RE: [PATCH v6 07/11] xen/arm: implement FIXMAP_ADDR for MPU systems

2022-11-08 Thread Wei Chen
Hi Julien, > -Original Message- > From: Julien Grall > Sent: 2022年11月7日 3:45 > To: Wei Chen ; xen-devel@lists.xenproject.org > Cc: nd ; Stefano Stabellini ; Bertrand > Marquis ; Volodymyr Babchuk > > Subject: Re: [PATCH v6 07/11] xen/arm: implement FIXMAP_ADDR f

Re: [PATCH v6 07/11] xen/arm: implement FIXMAP_ADDR for MPU systems

2022-11-06 Thread Julien Grall
Hi Wei, On 04/11/2022 10:07, Wei Chen wrote: FIXMAP is a special virtual address section for Xen to map some physical ram or device memory temporarily in initialization for MMU systems. FIXMAP_ADDR will return a virtual address by index for special purpose phys-to-virt mapping usage. For