Re: [PATCH v6 03/11] xen/arm: disable EFI boot services for MPU systems

2022-11-15 Thread Wei Chen
Hi Julien, On 2022/11/7 3:12, Julien Grall wrote: Hi Wei, On 04/11/2022 10:07, Wei Chen wrote: Current EFI boot services support of Arm64 could not work well for Armv8-R64 system that only has MPU in EL2. That is because EFI boot services may need some relocation support or partial PIE/PIC sup

RE: [PATCH v6 03/11] xen/arm: disable EFI boot services for MPU systems

2022-11-07 Thread Wei Chen
Hi Julien, > -Original Message- > From: Julien Grall > Sent: 2022年11月7日 3:12 > To: Wei Chen ; xen-devel@lists.xenproject.org > Cc: nd ; Stefano Stabellini ; Bertrand > Marquis ; Volodymyr Babchuk > > Subject: Re: [PATCH v6 03/11] xen/arm: disable EFI boot se

Re: [PATCH v6 03/11] xen/arm: disable EFI boot services for MPU systems

2022-11-06 Thread Julien Grall
On 06/11/2022 19:12, Julien Grall wrote: Hi Wei, On 04/11/2022 10:07, Wei Chen wrote: Current EFI boot services support of Arm64 could not work well for Armv8-R64 system that only has MPU in EL2. That is because EFI boot services may need some relocation support or partial PIE/PIC support.

Re: [PATCH v6 03/11] xen/arm: disable EFI boot services for MPU systems

2022-11-06 Thread Julien Grall
Hi Wei, On 04/11/2022 10:07, Wei Chen wrote: Current EFI boot services support of Arm64 could not work well for Armv8-R64 system that only has MPU in EL2. That is because EFI boot services may need some relocation support or partial PIE/PIC support. I am a bit confused with argument. We have n