sevki
c9e1dba412
setup CI/CD for kernel development - added CodeQL for code scanning - every pr is built as an image and is available for 30days on https://oklinux.dev - tagged and released on github for now Signed-off-by: sevki <s@sevki.io>
24 lines
468 B
C
24 lines
468 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __VDSO_MATH64_H
|
|
#define __VDSO_MATH64_H
|
|
|
|
static __always_inline u32
|
|
__iter_div_u64_rem(u64 dividend, u32 divisor, u64 *remainder)
|
|
{
|
|
u32 ret = 0;
|
|
|
|
while (dividend >= divisor) {
|
|
/* The following asm() prevents the compiler from
|
|
optimising this loop into a modulo operation. */
|
|
asm("" : "+rm"(dividend));
|
|
|
|
dividend -= divisor;
|
|
ret++;
|
|
}
|
|
|
|
*remainder = dividend;
|
|
|
|
return ret;
|
|
}
|
|
|
|
#endif /* __VDSO_MATH64_H */
|