Re: [PATCH 2.4] usb serial write fix

From: Pete Zaitcev
Date: Sat Nov 27 2004 - 13:47:14 EST


On Tue, 02 Nov 2004 09:25:08 -0600, Paul Fulghum <paulkf@xxxxxxxxxxxxx> wrote:

> On Tue, 2004-11-02 at 08:03, Paul Fulghum wrote:
> > On Mon, 2004-11-01 at 21:36, Pete Zaitcev wrote:
> > > Why testing for signals? Do you expect any?
> >
> > post_helper can run in a user process as well
> > as keventd. The user process can get a signal
> > like HUP to pppd.

> Signals sent to one user process can interfere with
> the processing of write requests from a different process.

This is a problem only _if_ we apply your patch (which checks for
signals), this is why I asked about it in the first place.

-- Pete
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