Commit 3945ff37 authored by Vincenzo Frascino's avatar Vincenzo Frascino Committed by Thomas Gleixner

linux/bits.h: Extract common header for vDSO

The vDSO library should only include the necessary headers required for
a userspace library (UAPI and a minimal set of kernel headers). To make
this possible it is necessary to isolate from the kernel headers the
common parts that are strictly necessary to build the library.

Split bits.h into linux and common headers to make the latter suitable
for inclusion in the vDSO library.
Signed-off-by: default avatarVincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200320145351.32292-3-vincenzo.frascino@arm.com
parent 8165b57b
...@@ -3,9 +3,9 @@ ...@@ -3,9 +3,9 @@
#define __LINUX_BITS_H #define __LINUX_BITS_H
#include <linux/const.h> #include <linux/const.h>
#include <vdso/bits.h>
#include <asm/bitsperlong.h> #include <asm/bitsperlong.h>
#define BIT(nr) (UL(1) << (nr))
#define BIT_ULL(nr) (ULL(1) << (nr)) #define BIT_ULL(nr) (ULL(1) << (nr))
#define BIT_MASK(nr) (UL(1) << ((nr) % BITS_PER_LONG)) #define BIT_MASK(nr) (UL(1) << ((nr) % BITS_PER_LONG))
#define BIT_WORD(nr) ((nr) / BITS_PER_LONG) #define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
......
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __VDSO_BITS_H
#define __VDSO_BITS_H
#include <vdso/const.h>
#define BIT(nr) (UL(1) << (nr))
#endif /* __VDSO_BITS_H */
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