Hi Nuno,
kernel test robot noticed the following build errors:
[auto build test ERROR on arnd-asm-generic/master]
[also build test ERROR on arm64/for-next/core linus/master v6.6-rc4
next-20230929]
[cannot apply to tip/x86/core]
[If your patch is applied to the wrong git tree, kindly drop us a no
Hi Alex,
On 10/2/2023 12:35 PM, Alex Ionescu wrote:
Hi Nuno,
I understand the requirement to have
undocumented/non-standard/non-TLFS-published information in the HDK
headers, however, the current state of this patch is that for any
other code that's not in the kernel today, or in this upcoming
From: Tom Lendacky Sent: Monday, October 2, 2023
11:59 AM
>
> On 10/2/23 11:35, Tom Lendacky wrote:
> > On 9/29/23 13:19, Michael Kelley wrote:
> >> In a CoCo VM when a page transitions from encrypted to decrypted, or vice
> >> versa, attributes in the PTE must be updated *and* the hypervisor mu
Hi Nuno,
I understand the requirement to have
undocumented/non-standard/non-TLFS-published information in the HDK
headers, however, the current state of this patch is that for any
other code that's not in the kernel today, or in this upcoming driver,
the hyperv-tlfs definitions are incomplete, bec
Hi Nuno,
Is it possible to simply change to always allocating the output page?
For example, the output page could be needed in scenarios where Linux
is not running as the root partition, since certain hypercalls that a
guest can make will still require one (I realize that's not the case
_today_, b
On 10/2/23 11:35, Tom Lendacky wrote:
On 9/29/23 13:19, Michael Kelley wrote:
In a CoCo VM when a page transitions from encrypted to decrypted, or vice
versa, attributes in the PTE must be updated *and* the hypervisor must
be notified of the change. Because there are two separate steps, there's
On 9/29/23 13:19, Michael Kelley wrote:
In a CoCo VM when a page transitions from encrypted to decrypted, or vice
versa, attributes in the PTE must be updated *and* the hypervisor must
be notified of the change. Because there are two separate steps, there's
a window where the settings are inconsi
On 9/29/23 13:19, Michael Kelley wrote:
In preparation for temporarily marking pages not present during a
transition between encrypted and decrypted, use slow_virt_to_phys()
in the hypervisor callbacks. As long as the PFN is correct,
slow_virt_to_phys() works even if the leaf PTE is not present.
On 9/29/23 13:19, Michael Kelley wrote:
In a CoCo VM when a page transitions from encrypted to decrypted, or vice
versa, attributes in the PTE must be updated *and* the hypervisor must
be notified of the change. Because there are two separate steps, there's
a window where the settings are inconsi
