Re: [PATCH 5/7] x86/bugs: Only harden syscalls when needed

[Andrew Cooper]

On 12/04/2024 6:20 am, Josh Poimboeuf wrote:
> On Thu, Apr 11, 2024 at 09:17:27PM -0700, Josh Poimboeuf wrote:
>> On Thu, Apr 11, 2024 at 08:57:42PM -0700, Josh Poimboeuf wrote:
>>> For similar reasons I'm thinking we should also remove the non-eIBRS
>>> version (SPECTRE_V2_LFENCE).
>> Actually I guess that's still the default mitigation for AMD so I'll
>> leave that one in.
> Never mind, I forgot that got deprecated for AMD.

And then became necessary on two Atoms, although I can't for the life of
of me find Intel's footnote about this in the maze of speculation docs...

~Andrew