The Thunderclap vulnerabilities
The Thunderclap vulnerabilities
Posted Mar 13, 2019 19:17 UTC (Wed) by rweikusat2 (subscriber, #117920)In reply to: The Thunderclap vulnerabilities by nybble41
Parent article: The Thunderclap vulnerabilities
>> any driver which supports DMA would need to use its own DMA buffer backing pages cache
> The page cache would need to be separate for each *device*, not each driver.
> The page cache would need to be separate for each *device*, not each driver.
A driver capable of managing more than one device would obviously need one cache per currently managed device. Do you think somebody wouldn't immediately recognize this if such a driver was under discussion?