Messages in this thread | | | From | Rusty Russell <> | Subject | Re: [RFC PATCH] kernel/kallsyms.c: only show legal kernel symbol | Date | Fri, 25 Oct 2013 16:20:10 +1030 |
| |
Ming Lei <tom.leiming@gmail.com> writes: > On Fri, Oct 25, 2013 at 7:08 AM, Rusty Russell <rusty@rustcorp.com.au> wrote: >> >> Sorry, I was imprecise. I was referring to the kernel's kallsyms >> tables produced by scripts/kallsyms.c. This patch left them in the >> the kallsyms tables and filtered them out from /proc/kallsyms. > > Yes, but it isn't easy to do it by script/kallsyms.c , and IMO, it should > be correct to hide them for user space but keep them in kallsyms table.
So they'll appear in backtraces? And turn up randomly for other symbol dereferences?
I don't think you really want this!
>> It's weird that cpu_v7_suspend_size appeared above, since kallsyms >> should filter out 'A' symbols already. > > Sorry, the 'A' symbol is a mistake, but the others do exist in /proc/kallsyms.
Ah, OK.
Cheers, Rusty.
| |