From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Vlastimil Babka <vbabka@suse.cz>
Cc: Mike Galbraith <efault@gmx.de>,
linux-rt-users <linux-rt-users@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [patch] kcsan: Make it RT aware
Date: Thu, 26 Aug 2021 17:18:27 +0200 [thread overview]
Message-ID: <20210826151827.wvsm7civflz62olx@linutronix.de> (raw)
In-Reply-To: <86f35f7c-c545-d870-b36e-5d091799f54c@suse.cz>
On 2021-08-22 19:29:00 [+0200], Vlastimil Babka wrote:
> On 8/22/21 6:35 PM, Mike Galbraith wrote:
> > On second thought, burn both patches. Making K[AC]SAN work with RT
> > ain't worth the warts.
>
> The stackdepot part of kasan patch will be useful at some point.
> slub_debug should eventually switch to stackdepot - it almost did in
> mainline already. I'll try to remember and dig that part up when needed.
> Thanks.
If you want them dropped, sure.
Regarding KASAN, if the on_each_cpu() is really needed and why the
workqueue version of it can't be used. Sure without it it is simpler…
The stackdepot doesn't look that bad. Maybe with pre-allocation like we
have for debug obj.
> > -Mike
Sebastian
next prev parent reply other threads:[~2021-08-26 15:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-21 6:50 [patch] kcsan: Make it RT aware Mike Galbraith
2021-08-22 16:35 ` Mike Galbraith
2021-08-22 17:29 ` Vlastimil Babka
2021-08-26 15:18 ` Sebastian Andrzej Siewior [this message]
2021-08-26 15:42 ` Mike Galbraith
2021-08-26 15:48 ` Sebastian Andrzej Siewior
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