Linux-kernel mailing list archive 1998-49,: Re: 2.1.131-ac3 3c509 no irq_save in the sender code

# Re: 2.1.131-ac3 3c509 no irq_save in the sender code

Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 7 Dec 1998 19:28:39 +0000 (GMT)

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> I don' t understand very well the meaning of `tx is single threaded
> implicitly'...

All transmits are serialized by the dev_queue_xmit() area code. There
is a start_bh_atomic around them. Thats something that has to go for
2.3.x but for 2.2 is quite safe

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