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When using dm-verity with a data partition on an emmc device, dm-verity races with the initialization of the (e)MMC/SD cards. This is because the card detection procedure is being managed from a workqueue, rather than synchronously from the mmc host's ->probe() routine. To allow the card detect to be synchronous, let's simply skip using the workqueue at the first initialization attempt from mmc_start_host(). Signed-off-by: Dennis Zhou <dennis@kernel.org> Link: https://lore.kernel.org/r/ZCTOMVjW+pnZVGsQ@snowbird [Ulf: Re-wrote the commit message to clarify the change] Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.