On 9/7/23 07:25, Kirill A. Shutemov wrote:
On Thu, Sep 07, 2023 at 07:15:21AM -0700, Dave Hansen wrote:
On 9/6/23 00:39, Adrian Hunter wrote:Is it better to let TD die silently? I don't think so.
Support for unaccepted memory was added recently, refer commitDoesn't /dev/mem already provide a billion ways for someone to shoot
dcdfdd40fa82 ("mm: Add support for unaccepted memory"), whereby
a virtual machine may need to accept memory before it can be used.
Do not map unaccepted memory because it can cause the guest to fail.
themselves in the foot? TDX seems to have added the 1,000,000,001st.
Is this really worth patching?
First, let's take a look at all of the distro kernels that folks will
run under TDX. Do they have STRICT_DEVMEM set?