Re: [PATCH 20/22] xen/arm64: mm: Use per-pCPU page-tables

2023-01-23 Thread Stefano Stabellini
On Fri, 16 Dec 2022, Julien Grall wrote: > From: Julien Grall > > At the moment, on Arm64, every pCPU are sharing the same page-tables. > > In a follow-up patch, we will allow the possibility to remove the > direct map and therefore it will be necessary to have a mapcache. > > While we have ple

RE: [PATCH 20/22] xen/arm64: mm: Use per-pCPU page-tables

2023-01-06 Thread Henry Wang
Hi Julien, > -Original Message- > Subject: Re: [PATCH 20/22] xen/arm64: mm: Use per-pCPU page-tables > > Hi Henry, > > >> Subject: [PATCH 20/22] xen/arm64: mm: Use per-pCPU page-tables > >> > >> From: Julien Grall > >> > >> A

Re: [PATCH 20/22] xen/arm64: mm: Use per-pCPU page-tables

2023-01-06 Thread Julien Grall
Hi Henry, On 06/01/2023 14:54, Henry Wang wrote: -Original Message- Subject: [PATCH 20/22] xen/arm64: mm: Use per-pCPU page-tables From: Julien Grall At the moment, on Arm64, every pCPU are sharing the same page-tables. Nit: s/every pCPU are/ every pCPU is/ I will fix it

RE: [PATCH 20/22] xen/arm64: mm: Use per-pCPU page-tables

2023-01-06 Thread Henry Wang
Hi Julien, > -Original Message- > Subject: [PATCH 20/22] xen/arm64: mm: Use per-pCPU page-tables > > From: Julien Grall > > At the moment, on Arm64, every pCPU are sharing the same page-tables. Nit: s/every pCPU are/ every pCPU is/ > > /* > diff --git

[PATCH 20/22] xen/arm64: mm: Use per-pCPU page-tables

2022-12-16 Thread Julien Grall
From: Julien Grall At the moment, on Arm64, every pCPU are sharing the same page-tables. In a follow-up patch, we will allow the possibility to remove the direct map and therefore it will be necessary to have a mapcache. While we have plenty of spare virtual address space to have to reserve par