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The kernel source contains several definitions of an ilog2 function;
some are slower than necessary, and one of them is incorrect.
Elimininate them all and define an ilog2 macro in libkern to replace
them, in a way that is fast, correct for all argument types, and, in a
GENERIC kernel, includes a check for an invalid zero parameter.
Folks at Microsoft have verified that having a correct ilog2
definition for their MANA driver doesn't break it.
Reviewed by: alc, markj, mhorne (older version), jhibbits (older version)
Differential Revision: https://reviews.freebsd.org/D45170
Differential Revision: https://reviews.freebsd.org/D45235
(cherry picked from commit
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| .. | ||
| 57710_init_values.c | ||
| 57710_int_offsets.h | ||
| 57711_init_values.c | ||
| 57711_int_offsets.h | ||
| 57712_init_values.c | ||
| 57712_int_offsets.h | ||
| bxe.c | ||
| bxe.h | ||
| bxe_dcb.h | ||
| bxe_debug.c | ||
| bxe_dump.h | ||
| bxe_elink.c | ||
| bxe_elink.h | ||
| bxe_ioctl.h | ||
| bxe_stats.c | ||
| bxe_stats.h | ||
| ecore_fw_defs.h | ||
| ecore_hsi.h | ||
| ecore_init.h | ||
| ecore_init_ops.h | ||
| ecore_mfw_req.h | ||
| ecore_reg.h | ||
| ecore_sp.c | ||
| ecore_sp.h | ||