Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: compat ioctl32 for /dev/snapshot? | Date | Wed, 6 May 2009 01:13:37 +0200 |
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On Tuesday 05 May 2009, Michael Tokarev wrote: > Arnd Bergmann wrote: > > On Monday 04 May 2009, Rafael J. Wysocki wrote: > >> In fact I don't think the 32-bit user space will work with 64-bit kernels as is > >> in this particular case, because of the different pointer size. > >> > >> Having a quick look at the code (I don't remember the details right now) > >> I think most probably it could be modified to handle this case too, but I'm not > >> really sure. > > > > I don't see anything in the snapshot code that passes pointers to the > > kernel, so why should the pointer size matter? > > It's the userspace part (uswsusp). In particular it parses swap > on-disk data structures. > > But in any case, without compat_ioctl32 in kernel userspace part > can not be fixed.
Well, agreed. :-)
Rafael
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