Messages in this thread |  | | Date | Mon, 05 Feb 2007 13:29:20 +0100 | From | Tilman Schmidt <> | Subject | Re: [PATCH] drivers/isdn/gigaset: new M101 driver |
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Andrew Morton schrieb: > On Mon, 05 Feb 2007 02:42:09 +0100 Tilman Schmidt <tilman@imap.cc> wrote: > >> It's a pointer. Are reads and writes of pointer sized objects >> guaranteed to be atomic on every platform? > > Yup - we make the same assumption about longs in various places. > > It's a bit strange to read a pointer which can be changing at the > same time. Because the local copy will no longer represent the > thing which it was just copied from.
It's not that bad. The only possible concurrent change is from NULL to non-NULL. Fearing an inconsistent read in that event was too paranoid apparently.
Thanks for all your suggestions. I'll prepare a new patch based on them.
-- Tilman Schmidt E-Mail: tilman@imap.cc Bonn, Germany Diese Nachricht besteht zu 100% aus wiederverwerteten Bits. Ungeöffnet mindestens haltbar bis: (siehe Rückseite)
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