Function report |
Source Code:arch\x86\include\asm\bitops.h |
Create Date:2022-07-28 05:34:12 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:ls64 - find last set bit in a 64-bit word*@x: the word to search* This is defined in a similar way as the libc and compiler builtin* ffsll, but returns the position of the most significant set bit
Proto:static __always_inline int fls64(__u64 x)
Type:int
Parameter:
| Type | Parameter | Name |
|---|---|---|
| __u64 | x |
| 368 | bitpos = -1 |
| 374 | asm("bsrq %1,%q0":"+r"(bitpos):"rm"(x)) |
| 377 | Return bitpos + 1 |
| Name | Describe |
|---|---|
| int_sqrt64 | _sqrt64 - strongly typed int_sqrt function when minimum 64 bit input* is expected.*@x: 64bit integer of which to calculate the sqrt |
| cpu_has_xfeatures | Return whether the system supports a given xfeature.* Also return the name of the (most advanced) feature that the caller requested: |
| generic_get_mtrr | |
| set_max_threads | set_max_threads |
| dma_direct_get_required_mask | |
| scale64_check_overflow | Scale base by mult/div checking for overflow |
| tnum_range | |
| perf_calculate_period | |
| add_token_u64 | |
| opal_generic_read_write_table | |
| fls_long | |
| __ilog2_u64 |
| Source code conversion tool public plug-in interface | X |
|---|---|
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