Cregit: Linux 6.7: bitsperlong.h

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Tiezhu Yang	14	35.00%	1	16.67%
David Howells	12	30.00%	1	16.67%
Arnd Bergmann	6	15.00%	1	16.67%
Sirio Balmelli	4	10.00%	1	16.67%
Becky Bruce	3	7.50%	1	16.67%
Greg Kroah-Hartman	1	2.50%	1	16.67%
Total	40		6

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI__ASM_GENERIC_BITS_PER_LONG
#define _UAPI__ASM_GENERIC_BITS_PER_LONG

#ifndef __BITS_PER_LONG
/*
 * In order to keep safe and avoid regression, only unify uapi
 * bitsperlong.h for some archs which are using newer toolchains
 * that have the definitions of __CHAR_BIT__ and __SIZEOF_LONG__.
 * See the following link for more info:
 * https://lore.kernel.org/linux-arch/b9624545-2c80-49a1-ac3c-39264a591f7b@app.fastmail.com/
 */
#if defined(__CHAR_BIT__) && defined(__SIZEOF_LONG__)
#define __BITS_PER_LONG (__CHAR_BIT__ * __SIZEOF_LONG__)
#else
/*
 * There seems to be no way of detecting this automatically from user
 * space, so 64 bit architectures should override this in their
 * bitsperlong.h. In particular, an architecture that supports
 * both 32 and 64 bit user space must not rely on CONFIG_64BIT
 * to decide it, but rather check a compiler provided macro.
 */
#define __BITS_PER_LONG 32
#endif
#endif

#endif /* _UAPI__ASM_GENERIC_BITS_PER_LONG */