According to Intel SDM, the processor does not support "Sub-page write permission for EPT". If there is any processor that supports SPP, maybe I could try to find a platform equipped with the processor and buy it (if it is affordable for me). Currently, I wrote a simple program to test whether my laptop supports the SPP. It is an interesting feature and I want to play around with it. I'm not sure if there is any mistake or this Ice-Lake CPU does not support SPP. According to the Intel SDM, the processor does not support "Sub-page write permissions for EPT". I wrote a simple Linux Module to get the value of IA32_VMX_PROCBASED_CTLS2 MSR (index 48BH) with `rdmsr` instruction and tested whether bit (32 + 23) (start from 0) was 1. Intels Core i7-8809G already sports a single-core 4.2 GHz Turbo Boost frequency, but forcing all four cores to that clock rate yielded impressive results in our threaded application. > Can you share a picture of the issue or error that you are having? If there is any processor that supports SPP, maybe I could try to find a platform equipped with the processor and buy one (if it is affordable for me). > Can you give us more details about why you need a list of processors supporting SPP? Currently, I just wrote a simple program to test whether my laptop supports the SPP. > Are you running any virtualization Software that it's demanding access to the SSP? > Is there any reason why you are requesting access to the SPP?
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |