diff options
| author | Josh Poimboeuf <jpoimboe@kernel.org> | 2023-09-05 08:04:48 +0300 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2023-09-19 11:54:39 +0300 |
| commit | 01b057b2f4cc2d905a0bd92195657dbd9a7005ab (patch) | |
| tree | a847fc3ae2d836bcd77f54758592ce37c8de3eff /arch | |
| parent | 02428d0366a27c2f33bc4361eb10467777804f29 (diff) | |
| download | linux-01b057b2f4cc2d905a0bd92195657dbd9a7005ab.tar.xz | |
x86/srso: Fix SBPB enablement for spec_rstack_overflow=off
If the user has requested no SRSO mitigation, other mitigations can use
the lighter-weight SBPB instead of IBPB.
Fixes: fb3bd914b3ec ("x86/srso: Add a Speculative RAS Overflow mitigation")
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/b20820c3cfd1003171135ec8d762a0b957348497.1693889988.git.jpoimboe@kernel.org
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/bugs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index b0ae985aa6a4..10499bcd4e39 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -2433,7 +2433,7 @@ static void __init srso_select_mitigation(void) switch (srso_cmd) { case SRSO_CMD_OFF: - return; + goto pred_cmd; case SRSO_CMD_MICROCODE: if (has_microcode) { |