diff options
| author | Josh Poimboeuf <jpoimboe@kernel.org> | 2022-06-15 00:16:15 +0300 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2022-06-27 11:34:00 +0300 |
| commit | 9756bba28470722dacb79ffce554336dd1f6a6cd (patch) | |
| tree | 2de4396bfa550c400fe8380e435fb28169733cd9 /arch/x86/kvm/vmx/vmx.c | |
| parent | bea7e31a5caccb6fe8ed989c065072354f0ecb52 (diff) | |
x86/speculation: Fill RSB on vmexit for IBRS
Prevent RSB underflow/poisoning attacks with RSB. While at it, add a
bunch of comments to attempt to document the current state of tribal
knowledge about RSB attacks and what exactly is being mitigated.
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'arch/x86/kvm/vmx/vmx.c')
0 files changed, 0 insertions, 0 deletions