On Wed, Jul 08, 2020 at 03:27:00PM +0200, Lukas Wunner wrote: > Prevent dynamic SPI device addition below a controller which is > being removed. To do so, set the controller's "dead" flag using > kill_device() (patch [3/3]). Why is the SPI bus allowing this to happen? Don't you have a per-bus lock that can serialize all of this? thanks, greg k-h
Re: [PATCH 0/3] Fix races on device removal
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- Subject: Re: [PATCH 0/3] Fix races on device removal
- From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
- Date: Thu, 30 Jul 2020 08:54:06 +0200
- Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Geert Uytterhoeven <geert+renesas@xxxxxxxxx>, Pantelis Antoniou <pantelis.antoniou@xxxxxxxxxxxx>, Alexander Duyck <alexander.h.duyck@xxxxxxxxxxxxxxx>, Mark Brown <broonie@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-spi@xxxxxxxxxxxxxxx
- In-reply-to: <cover.1594214103.git.lukas@wunner.de>
- References: <cover.1594214103.git.lukas@wunner.de>
- References:
- [PATCH 0/3] Fix races on device removal
- From: Lukas Wunner
- [PATCH 0/3] Fix races on device removal
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