diff options
| author | Borislav Petkov <bp@suse.de> | 2020-04-19 09:59:03 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-04-24 07:57:20 +0200 |
| commit | 58fb3c3589820cd81b4964757b1196da070e7743 (patch) | |
| tree | 898b2262c2fcc493b844631b64dd53f65e7bad44 /include/linux/debugobjects.h | |
| parent | 5706d13e270a64902dbd0729718aff81f8f3b9d4 (diff) | |
x86/mitigations: Clear CPU buffers on the SYSCALL fast path
The fast SYSCALL exit path returns with SYSRET to userspace after
verifying that there's no pending work. MDS mitigation mandates that CPU
buffers must be cleared on transition from kernel to userspace so do
that here too.
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/debugobjects.h')
0 files changed, 0 insertions, 0 deletions