Re: [PATCH v3 6/7] xen: introduce Kconfig ARCH_PAGING_MEMPOOL

2025-03-26 Thread Jan Beulich
On 26.03.2025 10:39, Orzel, Michal wrote: > > > On 20/03/2025 08:32, Jan Beulich wrote: >> >> >> On 19.03.2025 17:31, Oleksii Kurochko wrote: >>> >>> On 3/19/25 12:35 PM, Jan Beulich wrote: On 18.03.2025 14:05, Oleksii Kurochko wrote: > On 3/17/25 9:07 PM, Luca Fancellu wrote: >> Fro

Re: [PATCH v3 6/7] xen: introduce Kconfig ARCH_PAGING_MEMPOOL

2025-03-26 Thread Jan Beulich
On 26.03.2025 10:59, Orzel, Michal wrote: > On 26/03/2025 10:54, Jan Beulich wrote: >> On 26.03.2025 10:39, Orzel, Michal wrote: >>> On 20/03/2025 08:32, Jan Beulich wrote: On 19.03.2025 17:31, Oleksii Kurochko wrote: > On 3/19/25 12:35 PM, Jan Beulich wrote: >> On 18.03.2025 14:05, Ol

Re: [PATCH v3 6/7] xen: introduce Kconfig ARCH_PAGING_MEMPOOL

2025-03-26 Thread Orzel, Michal
On 26/03/2025 10:54, Jan Beulich wrote: > > > On 26.03.2025 10:39, Orzel, Michal wrote: >> >> >> On 20/03/2025 08:32, Jan Beulich wrote: >>> >>> >>> On 19.03.2025 17:31, Oleksii Kurochko wrote: On 3/19/25 12:35 PM, Jan Beulich wrote: > On 18.03.2025 14:05, Oleksii Kurochko wrote:

Re: [PATCH v3 6/7] xen: introduce Kconfig ARCH_PAGING_MEMPOOL

2025-03-26 Thread Orzel, Michal
On 26/03/2025 10:46, Oleksii Kurochko wrote: > > > > > On 3/26/25 10:39 AM, Orzel, Michal wrote: >> On 20/03/2025 08:32, Jan Beulich wrote: >>> On 19.03.2025 17:31, Oleksii Kurochko wrote: On 3/19/25 12:35 PM, Jan Beulich wrote: > On 18.03.2025 14:05, Oleksii Kurochko wrote: >

Re: [PATCH v3 6/7] xen: introduce Kconfig ARCH_PAGING_MEMPOOL

2025-03-26 Thread Oleksii Kurochko
On 3/26/25 10:39 AM, Orzel, Michal wrote: On 20/03/2025 08:32, Jan Beulich wrote: On 19.03.2025 17:31, Oleksii Kurochko wrote: On 3/19/25 12:35 PM, Jan Beulich wrote: On 18.03.2025 14:05, Oleksii Kurochko wrote: On 3/17/25 9:07 PM, Luca Fancellu wrote: From: Penny Zheng ARM MPU system do

Re: [PATCH v3 6/7] xen: introduce Kconfig ARCH_PAGING_MEMPOOL

2025-03-26 Thread Orzel, Michal
On 20/03/2025 08:32, Jan Beulich wrote: > > > On 19.03.2025 17:31, Oleksii Kurochko wrote: >> >> On 3/19/25 12:35 PM, Jan Beulich wrote: >>> On 18.03.2025 14:05, Oleksii Kurochko wrote: On 3/17/25 9:07 PM, Luca Fancellu wrote: > From: Penny Zheng > > ARM MPU system doesn't nee

Re: [PATCH v3 6/7] xen: introduce Kconfig ARCH_PAGING_MEMPOOL

2025-03-20 Thread Jan Beulich
On 19.03.2025 17:31, Oleksii Kurochko wrote: > > On 3/19/25 12:35 PM, Jan Beulich wrote: >> On 18.03.2025 14:05, Oleksii Kurochko wrote: >>> On 3/17/25 9:07 PM, Luca Fancellu wrote: From: Penny Zheng ARM MPU system doesn't need to use paging memory pool, as MPU memory mapping t

Re: [PATCH v3 6/7] xen: introduce Kconfig ARCH_PAGING_MEMPOOL

2025-03-19 Thread Oleksii Kurochko
On 3/19/25 12:35 PM, Jan Beulich wrote: On 18.03.2025 14:05, Oleksii Kurochko wrote: On 3/17/25 9:07 PM, Luca Fancellu wrote: From: Penny Zheng ARM MPU system doesn't need to use paging memory pool, as MPU memory mapping table at most takes only one 4KB page, which is enough to manage the max

Re: [PATCH v3 6/7] xen: introduce Kconfig ARCH_PAGING_MEMPOOL

2025-03-19 Thread Luca Fancellu
Hi Jan, > On 19 Mar 2025, at 11:35, Jan Beulich wrote: > > On 18.03.2025 14:05, Oleksii Kurochko wrote: >> >> On 3/17/25 9:07 PM, Luca Fancellu wrote: >>> From: Penny Zheng >>> >>> ARM MPU system doesn't need to use paging memory pool, as MPU memory >>> mapping table at most takes only one 4KB

Re: [PATCH v3 6/7] xen: introduce Kconfig ARCH_PAGING_MEMPOOL

2025-03-19 Thread Luca Fancellu
> On 19 Mar 2025, at 12:18, Luca Fancellu wrote: > > Hi Jan, > >> On 19 Mar 2025, at 11:35, Jan Beulich wrote: >> >> On 18.03.2025 14:05, Oleksii Kurochko wrote: >>> >>> On 3/17/25 9:07 PM, Luca Fancellu wrote: From: Penny Zheng ARM MPU system doesn't need to use paging memo

Re: [PATCH v3 6/7] xen: introduce Kconfig ARCH_PAGING_MEMPOOL

2025-03-19 Thread Luca Fancellu
> On 19 Mar 2025, at 12:18, Luca Fancellu wrote: > > Hi Jan, > >> On 19 Mar 2025, at 11:35, Jan Beulich wrote: >> >> On 18.03.2025 14:05, Oleksii Kurochko wrote: >>> >>> On 3/17/25 9:07 PM, Luca Fancellu wrote: From: Penny Zheng ARM MPU system doesn't need to use paging memo

Re: [PATCH v3 6/7] xen: introduce Kconfig ARCH_PAGING_MEMPOOL

2025-03-19 Thread Jan Beulich
On 18.03.2025 14:05, Oleksii Kurochko wrote: > > On 3/17/25 9:07 PM, Luca Fancellu wrote: >> From: Penny Zheng >> >> ARM MPU system doesn't need to use paging memory pool, as MPU memory >> mapping table at most takes only one 4KB page, which is enough to >> manage the maximum 255 MPU memory region

Re: [PATCH v3 6/7] xen: introduce Kconfig ARCH_PAGING_MEMPOOL

2025-03-18 Thread Oleksii Kurochko
On 3/17/25 9:07 PM, Luca Fancellu wrote: From: Penny Zheng ARM MPU system doesn't need to use paging memory pool, as MPU memory mapping table at most takes only one 4KB page, which is enough to manage the maximum 255 MPU memory regions, for all EL2 stage 1 translation and EL1 stage 2 translatio

Re: [PATCH v3 6/7] xen: introduce Kconfig ARCH_PAGING_MEMPOOL

2025-03-18 Thread Orzel, Michal
On 17/03/2025 21:07, Luca Fancellu wrote: > > > From: Penny Zheng > > ARM MPU system doesn't need to use paging memory pool, as MPU memory > mapping table at most takes only one 4KB page, which is enough to > manage the maximum 255 MPU memory regions, for all EL2 stage 1 > translation and EL