Messages in this thread |  | | | Subject | Re: [PATCH 2/2] enhance sysfs rfkill interface | | From | Valdis.Kletnieks@vt ... | | Date | Fri, 12 Mar 2010 18:48:19 -0500 |
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On Fri, 12 Mar 2010 23:39:25 +0100, Florian Mickler said: > On Fri, 12 Mar 2010 13:20:26 -0800 > Dmitry Torokhov <dmitry.torokhov@gmail.com> wrote:
> > You are not updating but reading... Are you concerned about seeing > > a partial write to u32? It does not happen. > > > Hm.. You shure? On every arch that supports wireless drivers?
If a u32 load or store from memory isn't atomic, the Linux kernel is screwed anyhow. Hint - imagine if every 32-bit reference had to be treated the way we currently treat 64-bit references on a 32-bit system. [unhandled content-type:application/pgp-signature] |  |