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Date: Thu, 30 Jul 2020 09:03:55 +0200
From: Thomas Gleixner <tglx@...utronix.de>
To: Kees Cook <keescook@...omium.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Kees Cook <keescook@...omium.org>, Allen Pais <allen.lkml@...il.com>,
Oscar Carter <oscar.carter@....com>, Romain Perier
<romain.perier@...il.com>, Dmitry Torokhov <dmitry.torokhov@...il.com>,
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Will Deacon <will@...nel.org>, linux-input@...r.kernel.org,
linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
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alsa-devel@...a-project.org, kernel-hardening@...ts.openwall.com
Subject: Re: [PATCH 0/3] Modernize tasklet callback API
Kees,
Kees Cook <keescook@...omium.org> writes:
> This is the infrastructure changes to prepare the tasklet API for
> conversion to passing the tasklet struct as the callback argument instead
> of an arbitrary unsigned long. The first patch details why this is useful
> (it's the same rationale as the timer_struct changes from a bit ago:
> less abuse during memory corruption attacks, more in line with existing
> ways of doing things in the kernel, save a little space in struct,
> etc). Notably, the existing tasklet API use is much less messy, so there
> is less to clean up.
>
> It's not clear to me which tree this should go through... Greg since it
> starts with a USB clean-up, -tip for timer or interrupt, or if I should
> just carry it. I'm open to suggestions, but if I don't hear otherwise,
> I'll just carry it.
>
> My goal is to have this merged for v5.9-rc1 so that during the v5.10
> development cycle the new API will be available. The entire tree of
> changes is here[1] currently, but to split it up by maintainer the
> infrastructure changes need to be landed first.
>
> Review and Acks appreciated! :)
I'd rather see tasklets vanish from the planet completely, but that's
going to be a daring feat. So, grudgingly:
Acked-by: Thomas Gleixner <tglx@...utronix.de>
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