Messages in this thread | | | From | Arnd Bergmann <> | Date | Wed, 16 Feb 2022 14:07:00 +0100 | Subject | Re: [PATCH 11/14] sparc64: remove CONFIG_SET_FS support |
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On Tue, Feb 15, 2022 at 1:48 AM Al Viro <viro@zeniv.linux.org.uk> wrote: > > On Mon, Feb 14, 2022 at 05:34:49PM +0100, Arnd Bergmann wrote: > > > -/* > > - * Sparc64 is segmented, though more like the M68K than the I386. > > - * We use the secondary ASI to address user memory, which references a > > - * completely different VM map, thus there is zero chance of the user > > - * doing something queer and tricking us into poking kernel memory. > > Actually, this part of comment probably ought to stay - it is relevant > for understanding what's going on (e.g. why is access_ok() always true, etc.)
Ok, I've put it back now.
Arnd
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