Re: iwlwifi: mvm: BACKPORT_WANT_DEV_COREDUMP?

From: Paul Bolle
Date: Fri Oct 31 2014 - 05:17:54 EST


On Fri, 2014-10-31 at 10:08 +0100, Johannes Berg wrote:
> On Fri, 2014-10-31 at 10:06 +0100, Paul Bolle wrote:
> > Perhaps you could also look into somehow guarding the call of
> > dev_coredumpm(), that this commit added, with checks for
> > CONFIG_DEV_COREDUMP. See, I had a quick look at all this and selecting
> > WANT_DEV_COREDUMP might not be enough, because DISABLE_DEV_COREDUMP can
> > still, well, disable DEV_COREDUMP. Or am I misreading the Kconfig
> > symbols that regulate DEV_COREDUMP?
>
> No, you're correctly reading that. However, the devcoredump header file
> provides simple functions in this case. That means there's some extra
> work (allocating and filling the buffer just to free it immediately) but
> it simplifies the code.

I see. More than a quick look was required here. Thanks for explaining
this!


Paul Bolle

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/