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Andrew Halaney <ahalaney@redhat.com> says: Please review with care as I'm not all that confident in this subject. UFS has a lot of mb() variants used, most with comments saying "ensure this takes effect before continuing". mb()'s aren't really the way to guarantee that, a read back is the best method. Some of these though I think could go a step further and remove the mb() variant without a read back. As far as I can tell there's no real reason to ensure it takes effect in most cases (there's no delay() or anything afterwards, and eventually another readl()/writel() happens which is by definition ordered). Some of the patches in this series do that if I was confident it was safe (or a reviewer pointed out prior that they thought it was safe to do so). Thanks in advance for the help, Andrew Link: https://lore.kernel.org/r/20240329-ufs-reset-ensure-effect-before-delay-v5-0-181252004586@redhat.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.