Contributors: 18
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Vivek Goyal |
38 |
25.85% |
1 |
5.00% |
| Jeremy Fitzhardinge |
19 |
12.93% |
1 |
5.00% |
| Masahiro Yamada |
19 |
12.93% |
3 |
15.00% |
| H. Peter Anvin |
12 |
8.16% |
1 |
5.00% |
| Alexey Dobriyan |
12 |
8.16% |
1 |
5.00% |
| Anshuman Khandual |
9 |
6.12% |
1 |
5.00% |
| Rikard Falkeborn |
7 |
4.76% |
1 |
5.00% |
| Steven Whitehouse |
6 |
4.08% |
1 |
5.00% |
| Darrick J. Wong |
5 |
3.40% |
1 |
5.00% |
| Cristian Ciocaltea |
5 |
3.40% |
1 |
5.00% |
| Andrew Morton |
4 |
2.72% |
1 |
5.00% |
| Nicolas Dichtel |
3 |
2.04% |
1 |
5.00% |
| Andi Kleen |
3 |
2.04% |
1 |
5.00% |
| Kevin Brodsky |
1 |
0.68% |
1 |
5.00% |
| Randy Dunlap |
1 |
0.68% |
1 |
5.00% |
| Linus Torvalds |
1 |
0.68% |
1 |
5.00% |
| Vincent Mailhol |
1 |
0.68% |
1 |
5.00% |
| Greg Kroah-Hartman |
1 |
0.68% |
1 |
5.00% |
| Total |
147 |
|
20 |
|
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* const.h: Macros for dealing with constants. */
#ifndef _UAPI_LINUX_CONST_H
#define _UAPI_LINUX_CONST_H
/* Some constant macros are used in both assembler and
* C code. Therefore we cannot annotate them always with
* 'UL' and other type specifiers unilaterally. We
* use the following macros to deal with this.
*
* Similarly, _AT() will cast an expression with a type in C, but
* leave it unchanged in asm.
*/
#ifdef __ASSEMBLY__
#define _AC(X,Y) X
#define _AT(T,X) X
#else
#define __AC(X,Y) (X##Y)
#define _AC(X,Y) __AC(X,Y)
#define _AT(T,X) ((T)(X))
#endif
#define _UL(x) (_AC(x, UL))
#define _ULL(x) (_AC(x, ULL))
#define _BITUL(x) (_UL(1) << (x))
#define _BITULL(x) (_ULL(1) << (x))
#if !defined(__ASSEMBLY__)
/*
* Missing asm support
*
* __BIT128() would not work in the asm code, as it shifts an
* 'unsigned __int128' data type as direct representation of
* 128 bit constants is not supported in the gcc compiler, as
* they get silently truncated.
*
* TODO: Please revisit this implementation when gcc compiler
* starts representing 128 bit constants directly like long
* and unsigned long etc. Subsequently drop the comment for
* GENMASK_U128() which would then start supporting asm code.
*/
#define _BIT128(x) ((unsigned __int128)(1) << (x))
#endif
#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (__typeof__(x))(a) - 1)
#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
#define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
/*
* Divide positive or negative dividend by positive or negative divisor
* and round to closest integer. Result is undefined for negative
* divisors if the dividend variable type is unsigned and for negative
* dividends if the divisor variable type is unsigned.
*/
#define __KERNEL_DIV_ROUND_CLOSEST(x, divisor) \
({ \
__typeof__(x) __x = x; \
__typeof__(divisor) __d = divisor; \
\
(((__typeof__(x))-1) > 0 || \
((__typeof__(divisor))-1) > 0 || \
(((__x) > 0) == ((__d) > 0))) ? \
(((__x) + ((__d) / 2)) / (__d)) : \
(((__x) - ((__d) / 2)) / (__d)); \
})
#endif /* _UAPI_LINUX_CONST_H */