From: "tip-bot2 for Josh Poimboeuf" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Josh Poimboeuf <jpoimboe@kernel.org>,
Ingo Molnar <mingo@kernel.org>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [tip: x86/bugs] x86/srso: Print mitigation for retbleed IBPB case
Date: Fri, 25 Aug 2023 10:19:32 -0000 [thread overview]
Message-ID: <169295877297.27769.39540868241003808.tip-bot2@tip-bot2> (raw)
In-Reply-To: <1f2f2257abc4047c707d0b8dbbd8e796730597f6.1692919072.git.jpoimboe@kernel.org>
The following commit has been merged into the x86/bugs branch of tip:
Commit-ID: ff32aa3d112156877c2ebc931099cda1c973fa6a
Gitweb: https://git.kernel.org/tip/ff32aa3d112156877c2ebc931099cda1c973fa6a
Author: Josh Poimboeuf <jpoimboe@kernel.org>
AuthorDate: Fri, 25 Aug 2023 00:01:40 -07:00
Committer: Ingo Molnar <mingo@kernel.org>
CommitterDate: Fri, 25 Aug 2023 11:21:59 +02:00
x86/srso: Print mitigation for retbleed IBPB case
When overriding the requested mitigation with IBPB due to retbleed=ibpb,
print the mitigation in the usual format instead of a custom error
message.
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/1f2f2257abc4047c707d0b8dbbd8e796730597f6.1692919072.git.jpoimboe@kernel.org
---
arch/x86/kernel/cpu/bugs.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 235c0e0..6c47f37 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -2425,9 +2425,8 @@ static void __init srso_select_mitigation(void)
if (retbleed_mitigation == RETBLEED_MITIGATION_IBPB) {
if (has_microcode) {
- pr_err("Retbleed IBPB mitigation enabled, using same for SRSO\n");
srso_mitigation = SRSO_MITIGATION_IBPB;
- goto pred_cmd;
+ goto out;
}
}
@@ -2490,7 +2489,8 @@ static void __init srso_select_mitigation(void)
break;
}
- pr_info("%s%s\n", srso_strings[srso_mitigation], (has_microcode ? "" : ", no microcode"));
+out:
+ pr_info("%s%s\n", srso_strings[srso_mitigation], has_microcode ? "" : ", no microcode");
pred_cmd:
if ((!boot_cpu_has_bug(X86_BUG_SRSO) || srso_cmd == SRSO_CMD_OFF) &&
next prev parent reply other threads:[~2023-08-25 10:21 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-25 7:01 [PATCH v2 00/23] SRSO fixes/cleanups Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 01/23] x86/srso: Fix srso_show_state() side effect Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 02/23] x86/srso: Set CPUID feature bits independently of bug or mitigation status Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 03/23] x86/srso: Don't probe microcode in a guest Josh Poimboeuf
2023-08-25 7:52 ` Andrew Cooper
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 04/23] KVM: x86: Add IBPB_BRTYPE support Josh Poimboeuf
2023-08-25 18:15 ` Sean Christopherson
2023-08-26 15:49 ` Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 05/23] KVM: x86: Add SBPB support Josh Poimboeuf
2023-08-25 18:20 ` Sean Christopherson
2023-08-25 7:01 ` [PATCH 06/23] x86/srso: Fix SBPB enablement for spec_rstack_overflow=off Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 07/23] x86/srso: Fix SBPB enablement for (possible) future fixed HW Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 08/23] x86/srso: Print actual mitigation if requested mitigation isn't possible Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 09/23] x86/srso: Print mitigation for retbleed IBPB case Josh Poimboeuf
2023-08-25 10:19 ` tip-bot2 for Josh Poimboeuf [this message]
2023-08-25 7:01 ` [PATCH 10/23] x86/srso: Fix vulnerability reporting for missing microcode Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-01 9:40 ` Borislav Petkov
2023-09-02 10:46 ` Ingo Molnar
2023-09-02 17:04 ` Borislav Petkov
2023-09-03 14:37 ` Borislav Petkov
2023-09-05 4:57 ` Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 11/23] x86/srso: Fix unret validation dependencies Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 12/23] x86/alternatives: Remove faulty optimization Josh Poimboeuf
2023-08-25 9:20 ` Ingo Molnar
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 10:27 ` [tip: x86/urgent] " tip-bot2 for Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 13/23] x86/srso: Improve i-cache locality for alias mitigation Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 14/23] x86/srso: Unexport untraining functions Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 15/23] x86/srso: Remove 'pred_cmd' label Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 19:51 ` [PATCH 15/23] " Nikolay Borisov
2023-08-26 15:45 ` Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 16/23] x86/bugs: Remove default case for fully switched enums Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-02 9:02 ` [PATCH 16/23] " Borislav Petkov
2023-09-05 5:08 ` Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 17/23] x86/srso: Move retbleed IBPB check into existing 'has_microcode' code block Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 18/23] x86/srso: Remove redundant X86_FEATURE_ENTRY_IBPB check Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-02 9:10 ` [PATCH 18/23] " Borislav Petkov
2023-08-25 7:01 ` [PATCH 19/23] x86/srso: Disentangle rethunk-dependent options Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 20/23] x86/rethunk: Use SYM_CODE_START[_LOCAL]_NOALIGN macros Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 21/23] x86/retpoline: Remove .text..__x86.return_thunk section Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 22/23] x86/nospec: Refactor UNTRAIN_RET[_*] Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 18:22 ` [PATCH 22/23] " Nikolay Borisov
2023-08-26 15:42 ` Josh Poimboeuf
2023-08-25 7:01 ` [PATCH 23/23] x86/calldepth: Rename __x86_return_skl() to call_depth_return_thunk() Josh Poimboeuf
2023-08-25 10:19 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-08-25 10:38 ` [PATCH v2 00/23] SRSO fixes/cleanups Ingo Molnar
2023-08-26 15:57 ` Josh Poimboeuf
2023-08-26 17:00 ` Ingo Molnar
2023-10-05 1:29 ` Sean Christopherson
2023-09-05 5:04 [PATCH v3 07/20] x86/srso: Print mitigation for retbleed IBPB case Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-23 12:20 ` tip-bot2 for Josh Poimboeuf
2023-10-20 11:37 ` tip-bot2 for Josh Poimboeuf
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