splusb splx

[Eitarou Kamo]

Hi all,

I'm new to this list. and I have some question about
uhci.c and USB issue.

What are the splusb() and splx()?
and how is the reration between uhci_idone() and splusb()?

Above the uhci_idone() in uhci.c "/* called at splusb() */"
is mentioned.

Any helps are appreciated. Thanks in advance.

Eitarou

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