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91e11129b9
Avri Altman <avri.altman@wdc.com> says: Here is the 2nd part in the sequel, watering down the scsi host lock usage in the ufs driver. This work is motivated by a comment made by Bart [1], of the abuse of the scsi host lock in the ufs driver. Its Precursor [2] removed the host lock around some of the host register accesses. This part replaces the scsi host lock by dedicated locks serializing access to the clock gating and clock scaling members. Changes compared to v4: - split patch 1 into 2 parts (Bart) - use scoped_guard() for the host_lock as well (Bart) - remove irrelevant comment and use lockdep_assert_held instead (Bart) - improve @lock documentation (Bart) Changes compared to v3: - Keep the host lock when checking ufshcd_state (Bean) Changes compared to v2: - Use clang-format to fix formating (Bart) - Use guard() in ufshcd_clkgate_enable_store (Bart) - Elaborate commit log (Bart) Changes compared to v1: - use the guard() & scoped_guard() macros (Bart) - re-order struct ufs_clk_scaling and struct ufs_clk_gating (Bart) [1] https://lore.kernel.org/linux-scsi/0b031b8f-c07c-42ef-af93-7336439d3c37@acm.org/ [2] https://lore.kernel.org/linux-scsi/20241024075033.562562-1-avri.altman@wdc.com/ Link: https://lore.kernel.org/r/20241124070808.194860-1-avri.altman@wdc.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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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 reStructuredText 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.