On Thu, Mar 24, 2022 at 10:37:25AM +0100, Gerd Hoffmann <kraxel@xxxxxxxxxx> wrote: > > #VE can be triggered in various situations. e.g., CPUID on some leaves, and > > RD/WRMSR on some MSRs. #VE on pending page is just one of the sources, Linux > > just wants to disable this kind of #VE since it wants to prevent unexpected > > #VE during SYSCALL gap. > > Linux guests can't disable those on their own? Requiring this being > configured on the host looks rather fragile to me ... Guest can get the attributes. (But can't change it). If the attributes isn't what the guest expects, the guest can stop working itself. -- Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
