amdtemp: Remove CTLFLAG_NEEDGIANT from sysctls.

It seems to be needed only to serialize very old K8 registers access.
Introduce separate lock for that and remove Giant dependency.

MFC after: 2 week

amdtemp: Remove CTLFLAG_NEEDGIANT from sysctls.

It seems to be needed only to serialize very old K8 registers access.
Introduce separate lock for that and remove Giant dependency.

MFC after: 2 weeks

(cherry picked from commit 6c101ed7a3f7cb47d6ac5c9e5fd33580ac8fa699)

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amdtemp: Revert related part of "Make CPU children" commit.

While it still looks like previous code worked by coincidence, this
change broke things even more instead of fixing.

Reported by: avg@
MF

amdtemp: Revert related part of "Make CPU children" commit.

While it still looks like previous code worked by coincidence, this
change broke things even more instead of fixing.

Reported by: avg@
MFC after: 1 week

(cherry picked from commit 94a72c5ac4285b2940e5d2c7e53d21c84023defc)

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Make CPU children explicitly share parent unit numbers.

Before this device unit number match was coincidental and broke if I
disabled some CPU device(s). Aside of cosmetics, for some drivers
(may b

Make CPU children explicitly share parent unit numbers.

Before this device unit number match was coincidental and broke if I
disabled some CPU device(s). Aside of cosmetics, for some drivers
(may be considered broken) it caused talking to wrong CPUs.

(cherry picked from commit d3a8f98acbf51e728411f10c5f179a30b9ca683c)

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