RE: [PATCH v2 03/40] xen/arm: adjust Xen TLB helpers for Armv8-R64 PMSA

2023-01-17 Thread Wei Chen
Hi Julien, > -Original Message- > From: Julien Grall > Sent: 2023年1月18日 7:17 > To: Penny Zheng ; xen-devel@lists.xenproject.org > Cc: Wei Chen ; Stefano Stabellini > ; Bertrand Marquis ; > Volodymyr Babchuk > Subject: Re: [PATCH v2 03/40] xen/arm: adjust Xen TLB

Re: [PATCH v2 03/40] xen/arm: adjust Xen TLB helpers for Armv8-R64 PMSA

2023-01-17 Thread Julien Grall
Hi, On 13/01/2023 05:28, Penny Zheng wrote: From: Wei Chen From Arm ARM Supplement of Armv8-R AArch64 (DDI 0600A) [1], section D1.6.2 TLB maintenance instructions, we know that Armv8-R AArch64 permits an implementation to cache stage 1 VMSAv8-64 and stage 2 PMSAv8-64 attributes as a common

[PATCH v2 03/40] xen/arm: adjust Xen TLB helpers for Armv8-R64 PMSA

2023-01-12 Thread Penny Zheng
From: Wei Chen >From Arm ARM Supplement of Armv8-R AArch64 (DDI 0600A) [1], section D1.6.2 TLB maintenance instructions, we know that Armv8-R AArch64 permits an implementation to cache stage 1 VMSAv8-64 and stage 2 PMSAv8-64 attributes as a common entry for the Secure EL1&0 translation regime.