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Date:   Tue, 05 Oct 2021 10:32:35 -0000
From:   "tip-bot2 for Lukas Bulwahn" <>
Cc:     Randy Dunlap <>,
        Lukas Bulwahn <>,
        Borislav Petkov <>,,
Subject: [tip: x86/urgent] x86/entry: Correct reference to intended CONFIG_64_BIT

The following commit has been merged into the x86/urgent branch of tip:

Commit-ID:     b2c238397b8f737590a7f1b4e8f9dbbd5043e340
Author:        Lukas Bulwahn <>
AuthorDate:    Tue, 03 Aug 2021 13:35:23 +02:00
Committer:     Borislav Petkov <>
CommitterDate: Tue, 05 Oct 2021 11:10:21 +02:00

x86/entry: Correct reference to intended CONFIG_64_BIT

Commit in Fixes adds a condition with IS_ENABLED(CONFIG_64_BIT),
but the intended config item is called CONFIG_64BIT, as defined in

Fortunately, scripts/ warns:

Referencing files: arch/x86/include/asm/entry-common.h

Correct the reference to the intended config symbol.

Fixes: 662a0221893a ("x86/entry: Fix AC assertion")
Suggested-by: Randy Dunlap <>
Signed-off-by: Lukas Bulwahn <>
Signed-off-by: Borislav Petkov <>
 arch/x86/include/asm/entry-common.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/entry-common.h b/arch/x86/include/asm/entry-common.h
index 14ebd21..4318464 100644
--- a/arch/x86/include/asm/entry-common.h
+++ b/arch/x86/include/asm/entry-common.h
@@ -25,7 +25,7 @@ static __always_inline void arch_check_user_regs(struct pt_regs *regs)
 		 * For !SMAP hardware we patch out CLAC on entry.
 		if (boot_cpu_has(X86_FEATURE_SMAP) ||
-		    (IS_ENABLED(CONFIG_64_BIT) && boot_cpu_has(X86_FEATURE_XENPV)))
+		    (IS_ENABLED(CONFIG_64BIT) && boot_cpu_has(X86_FEATURE_XENPV)))
 			mask |= X86_EFLAGS_AC;
 		WARN_ON_ONCE(flags & mask);

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