On 10.07.2023 10:53, Oleksii wrote:
> On Fri, 2023-07-07 at 12:51 +0200, Jan Beulich wrote:
>> On 07.07.2023 12:37, Oleksii wrote:
>>> On Thu, 2023-07-06 at 13:35 +0200, Jan Beulich wrote:
On 19.06.2023 15:34, Oleksii Kurochko wrote:
> --- a/xen/arch/riscv/mm.c
> +++ b/xen/arch/riscv/m
>
> > > Unrelated change?
> > It should be part of [PATCH v2 5/6] xen/riscv: introduce identity
> > mapping.
>
> Hmm, here we're discussing "[PATCH v2 4/6] xen/riscv: introduce
> identity
> mapping". I'm confused, I guess.
Sorry for confusi
gt; +/* SPDX-License-Identifier: GPL-2.0-only */
>>> +
>>> #ifndef __RISCV_CONFIG_H__
>>> #define __RISCV_CONFIG_H__
>>>
>>
>> Unrelated change?
> It should be part of [PATCH v2 5/6] xen/riscv: introduce identity
> mapping.
Hmm, here we'
On Thu, 2023-07-06 at 13:35 +0200, Jan Beulich wrote:
> On 19.06.2023 15:34, Oleksii Kurochko wrote:
> > Since it is not easy to keep track where the identity map was
> > mapped,
> > so we will look for the top-level entry exclusive to the identity
> > map and remove it.
>
> I think you mean "top-
On 19.06.2023 15:34, Oleksii Kurochko wrote:
> Since it is not easy to keep track where the identity map was mapped,
> so we will look for the top-level entry exclusive to the identity
> map and remove it.
I think you mean "top-most" or some such, as it's not necessarily the
top-level entry you za
The way how switch to virtual address was implemented in the
commit e66003e7be ("xen/riscv: introduce setup_initial_pages")
isn't safe enough as:
* enable_mmu() depends on hooking all exceptions
and pagefault.
* Any exception other than pagefault, or not taking a pagefault
causes it to malfunct
