On 2024/12/13 4:11, David Woodhouse wrote:
From: David Woodhouse
The virtual mapping of the control page may have been _PAGE_GLOBAL and
thus its PTE might not have been flushed on the %cr3 switch and it might
effectively still be read-only. Move the writes to it down into the
identity_mapped
On 12 December 2024 21:43:57 GMT, Dave Hansen wrote:
>On 12/12/24 13:32, David Woodhouse wrote:
>> On 12 December 2024 21:18:10 GMT, Dave Hansen wrote:
>>> On 12/12/24 12:11, David Woodhouse wrote:
From: David Woodhouse
The virtual mapping of the control page may have been _PAGE_G
On 12/12/24 13:32, David Woodhouse wrote:
> On 12 December 2024 21:18:10 GMT, Dave Hansen wrote:
>> On 12/12/24 12:11, David Woodhouse wrote:
>>> From: David Woodhouse
>>>
>>> The virtual mapping of the control page may have been _PAGE_GLOBAL and
>>> thus its PTE might not have been flushed on th
On 12 December 2024 21:18:10 GMT, Dave Hansen wrote:
>On 12/12/24 12:11, David Woodhouse wrote:
>> From: David Woodhouse
>>
>> The virtual mapping of the control page may have been _PAGE_GLOBAL and
>> thus its PTE might not have been flushed on the %cr3 switch and it might
>> effectively still b
On 12/12/24 12:11, David Woodhouse wrote:
> From: David Woodhouse
>
> The virtual mapping of the control page may have been _PAGE_GLOBAL and
> thus its PTE might not have been flushed on the %cr3 switch and it might
> effectively still be read-only. Move the writes to it down into the
> identity_
On Thu, Dec 12, 2024 at 08:11:19PM +, David Woodhouse wrote:
> From: David Woodhouse
>
> The virtual mapping of the control page may have been _PAGE_GLOBAL and
> thus its PTE might not have been flushed on the %cr3 switch and it might
> effectively still be read-only. Move the writes to it do
From: David Woodhouse
The virtual mapping of the control page may have been _PAGE_GLOBAL and
thus its PTE might not have been flushed on the %cr3 switch and it might
effectively still be read-only. Move the writes to it down into the
identity_mapped() function where the same %rip-relative address
