On Mon, Jan 29, 2024 at 07:09:37AM -0600, Kalra, Ashish wrote:
> Hello Kirill,
>
> On 1/29/2024 4:36 AM, Kirill A. Shutemov wrote:
> > On Mon, Jan 29, 2024 at 04:24:09AM -0600, Kalra, Ashish wrote:
> > > In case of SNP and crash/kdump case, we need to prevent the boot_ghcb
> > > being
> > >
Hello Kirill,
On 1/29/2024 4:36 AM, Kirill A. Shutemov wrote:
On Mon, Jan 29, 2024 at 04:24:09AM -0600, Kalra, Ashish wrote:
In case of SNP and crash/kdump case, we need to prevent the boot_ghcb being
converted to shared (in snp_kexec_unshare_mem()) as the boot_ghcb is
required to handle all
On Mon, Jan 29, 2024 at 04:24:09AM -0600, Kalra, Ashish wrote:
> In case of SNP and crash/kdump case, we need to prevent the boot_ghcb being
> converted to shared (in snp_kexec_unshare_mem()) as the boot_ghcb is
> required to handle all I/O for disabling IO-APIC/lapic, hpet, etc., as the
>
Hello Kirill,
On 1/24/2024 6:55 AM, Kirill A. Shutemov wrote:
TDX guests allocate shared buffers to perform I/O. It is done by
allocating pages normally from the buddy allocator and converting them
to shared with set_memory_decrypted().
The second kernel has no idea what memory is converted
