The following commit has been merged into the x86/bugs branch of tip:
Commit-ID: a542794756c50e0b339a751635cdbbd5893f2b4e
Gitweb: https://git.kernel.org/tip/a542794756c50e0b339a751635cdbbd5893f2b4e
Author: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
AuthorDate: Fri, 25 Aug 2023 00:01:48 -07:00
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Fri, 25 Aug 2023 11:22:01 +02:00
x86/srso: Move retbleed IBPB check into existing 'has_microcode' code block
Simplify the code flow a bit by moving the retbleed IBPB check into the
existing 'has_microcode' block.
Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Link: https://lore.kernel.org/r/c64b84b6df4e82423abe2441a1a088a8c7f1ae14.1692919072.git.jpoimboe@xxxxxxxxxx
---
arch/x86/kernel/cpu/bugs.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 0621615..b086fd4 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -2430,10 +2430,8 @@ static void __init srso_select_mitigation(void)
setup_force_cpu_cap(X86_FEATURE_SRSO_NO);
return;
}
- }
- if (retbleed_mitigation == RETBLEED_MITIGATION_IBPB) {
- if (has_microcode) {
+ if (retbleed_mitigation == RETBLEED_MITIGATION_IBPB) {
srso_mitigation = SRSO_MITIGATION_IBPB;
goto out;
}
|