lkml.org 
[lkml]   [2020]   [May]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v12 00/18] Enable FSGSBASE instructions
> Yes, for SGX this is functional feature because enclave entry points,
> thread control structures (aka TCS's), reset FSBASE and GSBASE registers
> to fixed (albeit user defined) values. And syscall's can be done only
> outside of enclave.
>
> This is a required feature for fancier runtimes (such as Graphene).

Can you please explain a bit more? What do they need GS for?

-Andi

\
 
 \ /
  Last update: 2020-05-18 17:34    [W:0.254 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site