Linus Torvalds <[email protected]> writes:
>
> I'm actually more inclined to try to deprecate /dev/kmem.. I don't think
> anybody has ever really used it except for some rootkits.
I don't think that's true.
> So I'd be perfectly happy to fix this, but I'd be even happier if we made
> the whole kmem thing a config variable (maybe even default it to "off").
Acessing vmalloc in /dev/mem would be pretty awkward. Yes it doesn't
also work in mmap of /dev/kmem, but at least in read/write.
There are quite a lot of scripts that use it for kernel debugging
like dumping variables. And for that you really want to access modules
and vmalloc. And it's much easier to parse than /proc/kcore
In fact I have some patches queued to fix it for x86-64 again
(people who used such scripts on i386 are complaining)
-Andi
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