Re: [PATCH -tip ] [BUGFIX] kprobes: Move hash_64() into .text.kprobesection

From: Masami Hiramatsu
Date: Tue Mar 12 2013 - 07:07:38 EST


(2013/03/12 17:21), Ingo Molnar wrote:
>
> * Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx> wrote:
>
>> @@ -31,7 +32,7 @@
>> #error Wordsize not 32 or 64
>> #endif
>>
>> -static inline u64 hash_64(u64 val, unsigned int bits)
>> +static __kprobes inline u64 hash_64(u64 val, unsigned int bits)
>> {
>> u64 hash = val;
>
> We should also, really, really fix the '__kprobes' misnomer and switch to
> the '__noprobe' pattern or so. The naming does not make it obvious at all
> that what we do here is to turn _off_ kprobing of select functions...

Agreed.

> The only complication is that __kprobes is now present in 600+ places,
> which will create merge conflicts. If you remind me during the next merge
> window I can generate the rename on the spot and send it to Linus without
> anyone having to carry the patch for too long.

Let me confirm that I just move __kprobes definition into
compiler.h this time, and ping you when the next merge
window opens, is that correct?

Thank you,

--
Masami HIRAMATSU
IT Management Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@xxxxxxxxxxx


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