Commit d06aca98 authored by Joe Richey's avatar Joe Richey Committed by Borislav Petkov
Browse files

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: 742c45c3 ("x86/elf: Enumerate kernel FSGSBASE capability in AT_HWCAP2")
Signed-off-by: default avatarJoe Richey <joerichey@google.com>
Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210521085849.37676-2-joerichey94@gmail.com
parent d07f6ca9

arch/x86/include/uapi/asm/hwcap2.h

+4 −2
Original line number Diff line number Diff line
@@ -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