linux-kernel - [tip: x86/misc] x86/elf: Use _BITUL() macro in UAPI headers

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Date:   Fri, 21 May 2021 09:25:48 -0000
From:   "tip-bot2 for Joe Richey" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Joe Richey <joerichey@...gle.com>, Borislav Petkov <bp@...e.de>,
        x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: x86/misc] x86/elf: Use _BITUL() macro in UAPI headers

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

Commit-ID:     d06aca989c243dd9e5d3e20aa4e5c2ecfdd07050
Gitweb:        https://git.kernel.org/tip/d06aca989c243dd9e5d3e20aa4e5c2ecfdd07050
Author:        Joe Richey <joerichey@...gle.com>
AuthorDate:    Fri, 21 May 2021 01:58:42 -07:00
Committer:     Borislav Petkov <bp@...e.de>
CommitterDate: Fri, 21 May 2021 11:12:52 +02:00

x86/elf: Use _BITUL() macro in UAPI headers

Replace BIT() in x86's UAPI header with _BITUL(). BIT() is not defined
in the UAPI headers and its usage may cause userspace build errors.

Fixes: 742c45c3ecc9 ("x86/elf: Enumerate kernel FSGSBASE capability in AT_HWCAP2")
Signed-off-by: Joe Richey <joerichey@...gle.com>
Signed-off-by: Borislav Petkov <bp@...e.de>
Link: https://lkml.kernel.org/r/20210521085849.37676-2-joerichey94@gmail.com
---
 arch/x86/include/uapi/asm/hwcap2.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/uapi/asm/hwcap2.h b/arch/x86/include/uapi/asm/hwcap2.h
index 5fdfcb4..054604a 100644
--- a/arch/x86/include/uapi/asm/hwcap2.h
+++ b/arch/x86/include/uapi/asm/hwcap2.h
@@ -2,10 +2,12 @@
 #ifndef _ASM_X86_HWCAP2_H
 #define _ASM_X86_HWCAP2_H
 
+#include <linux/const.h>
+
 /* MONITOR/MWAIT enabled in Ring 3 */
-#define HWCAP2_RING3MWAIT		(1 << 0)
+#define HWCAP2_RING3MWAIT		_BITUL(0)
 
 /* Kernel allows FSGSBASE instructions available in Ring 3 */
-#define HWCAP2_FSGSBASE			BIT(1)
+#define HWCAP2_FSGSBASE			_BITUL(1)
 
 #endif