Messages in this thread | | | Date | Fri, 29 Nov 2002 19:24:02 +0100 | From | Manfred Spraul <> | Subject | Re: v2.4.19-rmk4 slab.c: /proc/slabinfo uses broken instead of slab labels |
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Russell King wrote:
>On Thu, Nov 28, 2002 at 11:34:20PM +0100, Manfred Spraul wrote: > > >>On i386, it's possible to skip set_fs() and use __get_user() - but >>that's i386 specific. For example the i386 oops code uses that. >> >> > >That isn't actually an x86 specific feature - it is a requirement across >all architectures that get_user() and friends can access kernel areas >after set_fs(get_ds()) > > It's i386 specific that __get_user(). is equivalent to set_fs(KERNEL_DS) get_user() arch/i386/kernel/traps.c uses that in the fault code.
Portable code must use set_fs()/get_user(), i386 specific code can continue to use __get_user().
-- Manfred
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