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List: linux-kernel
Subject: [PATCH] x86/elf: Fix use of internal macro BIT in uapi header
From: Thiago Macieira <thiago.macieira () intel ! com>
Date: 2020-10-26 17:18:35
Message-ID: 20201026171835.7412-1-thiago.macieira () intel ! com
[Download RAW message or body]
This breaks the build in userspace since this macro is not available.
<stdin>:1:18: error: ‘BIT' was not declared in this scope
Fixes: 742c45c3ecc9255e1 ("x86/elf: Enumerate kernel FSGSBASE capability in AT_HWCAP2")
Cc: Andi Kleen <ak@linux.intel.com>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Thiago Macieira <thiago.macieira@intel.com>
---
arch/x86/include/uapi/asm/hwcap2.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/include/uapi/asm/hwcap2.h b/arch/x86/include/uapi/asm/hwcap2.h
index 5fdfcb47000f..6d2175b43710 100644
--- a/arch/x86/include/uapi/asm/hwcap2.h
+++ b/arch/x86/include/uapi/asm/hwcap2.h
@@ -6,6 +6,6 @@
#define HWCAP2_RING3MWAIT (1 << 0)
/* Kernel allows FSGSBASE instructions available in Ring 3 */
-#define HWCAP2_FSGSBASE BIT(1)
+#define HWCAP2_FSGSBASE (1 << 1)
#endif
--
2.29.0
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