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From: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
To: x86@kernel.org
Cc: David Kaplan <david.kaplan@amd.com>,
	linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Josh Poimboeuf <jpoimboe@kernel.org>
Subject: [PATCH v2 1/7] x86/retbleed: Check for AUTO in all cases
Date: Wed, 21 May 2025 19:44:22 -0700	[thread overview]
Message-ID: <20250521-eibrs-fix-v2-1-70e2598e932c@linux.intel.com> (raw)
In-Reply-To: <20250521-eibrs-fix-v2-0-70e2598e932c@linux.intel.com>

When none of mitigation option is selected, AUTO gets converted to NONE.
This is currently only being done for Intel. The check is useful in
general, make it common.

Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
---
 arch/x86/kernel/cpu/bugs.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 7f94e6a5497d9a2d312a76095e48d6b364565777..19ff705b3128eacad5659990ed345d7a19bcb0f4 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -1294,15 +1294,15 @@ static void __init retbleed_update_mitigation(void)
 			if (retbleed_mitigation != RETBLEED_MITIGATION_STUFF)
 				pr_err(RETBLEED_INTEL_MSG);
 		}
-		/* If nothing has set the mitigation yet, default to NONE. */
-		if (retbleed_mitigation == RETBLEED_MITIGATION_AUTO)
-			retbleed_mitigation = RETBLEED_MITIGATION_NONE;
 	}
+
+	/* If nothing has set the mitigation yet, default to NONE. */
+	if (retbleed_mitigation == RETBLEED_MITIGATION_AUTO)
+		retbleed_mitigation = RETBLEED_MITIGATION_NONE;
 out:
 	pr_info("%s\n", retbleed_strings[retbleed_mitigation]);
 }
 
-
 static void __init retbleed_apply_mitigation(void)
 {
 	bool mitigate_smt = false;

-- 
2.34.1



  reply	other threads:[~2025-05-22  2:44 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-22  2:44 [PATCH v2 0/7] eIBRS fixes Pawan Gupta
2025-05-22  2:44 ` Pawan Gupta [this message]
2025-05-22  9:52   ` [PATCH v2 1/7] x86/retbleed: Check for AUTO in all cases Nikolay Borisov
2025-05-22 11:27   ` Borislav Petkov
2025-05-22 17:42     ` Pawan Gupta
2025-05-22  2:44 ` [PATCH v2 2/7] x86/retbleed: Simplify the =stuff checks Pawan Gupta
2025-05-22 10:18   ` Nikolay Borisov
2025-05-22 11:42   ` Borislav Petkov
2025-05-22 18:02     ` Pawan Gupta
2025-05-22  2:44 ` [PATCH v2 3/7] x86/bugs: Exit early if return thunk is already set Pawan Gupta
2025-05-22 10:22   ` Nikolay Borisov
2025-05-22 10:26     ` Nikolay Borisov
2025-05-22 18:03       ` Pawan Gupta
2025-05-22  2:45 ` [PATCH v2 4/7] x86/its: Use switch/case to apply mitigation Pawan Gupta
2025-05-22 11:15   ` Nikolay Borisov
2025-05-22 18:04     ` Pawan Gupta
2025-05-22  2:45 ` [PATCH v2 5/7] x86/retbleed: Introduce cdt_possible() Pawan Gupta
2025-05-22  2:45 ` [PATCH v2 6/7] x86/its: Remove =stuff dependency on retbleed Pawan Gupta
2025-05-22  2:45 ` [PATCH v2 7/7] x86/its: Allow stuffing in eIBRS+retpoline mode also Pawan Gupta

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