Is my Pentium D from 2007 affected?
On 01/03/2018 09:34 PM, Adam Carter wrote:
>>
>> Project Zero (Google) found it;
>> https://googleprojectzero.blogspot.com.au/2018/01/
>> reading-privileged-memory-with-side.html
>>
>> Phoronix has done some benchmarks on the impact of the kernel based
>> workaround ([Kernel] Page Table Isolation (PSI) nee Kaiser)
>> https://www.phoronix.com/scan.php?page=article&item=linux-
>> more-x86pti&num=1
>>
>>
> Re:AMD - Looks like Linus agrees that PTI is not required for AMD CPUs.
> Note that the project zero blog mentions that some AMD chips are subject to
> some issues*. *There's three CVEs
> *.*
>
> From:
> https://www.phoronix.com/scan.php?page=news_item&px=Linux-Tip-Git-Disable-x86-PTI
> *"Update:* Linus Torvalds has now ended up pulling
> <https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=00a5ae218d57741088068799b810416ac249a9ce&utm_source=anz>
> the latest PTI fixes that also include the change to disable page table
> isolation for now on all AMD CPUs. The commit is in mainline for Linux 4.15
> along with a few basic fixes and ensuring PAGE_TABLE_ISOLATION is enabled
> by default. "
>
