libkern: add ilog2 macro

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 m

libkern: add ilog2 macro

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

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sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

Remove support for ancient compilers

We don't support building the kernel from such old compilers, nor with
the Intel Compiler specifically. Remove support for this old construct
that was copied fro

Remove support for ancient compilers

We don't support building the kernel from such old compilers, nor with
the Intel Compiler specifically. Remove support for this old construct
that was copied from stdbool.h and not relevant here.

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Merge ^/head r327624 through r327885.

dev/bxe: make use of mallocarray(9).

Use mallocarray in a couple of cases where a calloc-like operation is
taking place.

Merge ^/head r325999 through r326131.

sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier

sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

Special thanks to Wind River for providing access to "The Duke of
Highlander" tool: an older (2014) run over FreeBSD tree was useful as a
starting point.

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sys/dev: minor spelling fixes.

Most affect comments, very few have user-visible effects.

Merge ^/head r296007 through r296368.

MFH

Sponsored by: The FreeBSD Foundation

Upgrade the firmware carried in driver and loaded during hardware
initialization (a.k.a STORM firmware) to version 7.13.1 (latest version)

Merge from head@274682

Sync to HEAD@r272516.

IFC @r271887

For ECORE_DBG_BREAK_IF() ECORE_BUG() ECORE_BUG_ON() check bxe_debug flag before
printing error message.

MFC after:5 days

IFC @r269962

Submitted by: Anish Gupta (akgupt3@gmail.com)

Merge head from 7/28

Sync to HEAD@r269943.

Initiate error recovery stats fail to update after 3 retries.
Change bxe_panic() ECORE_DBG_BREAK_IF() ECORE_BUG() ECORE_BUG_ON() to
panic only if ECORE_STOP_ON_ERROR is defined.

MFC after:5 days

MFC @ r266724

An SVM update will follow this.

IFC @266473

Merge from head

Modify Copyright information to reflect Qlogic Corporation's purchase
of Broadcom's NetXtreme business

Submitted by:David C Somayajulu (davidcs@freebsd.org) QLogic Corporation
MFC after:5 days

Merge head

IFC @264767