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| Filename | Latest commit message | Latest commit date |
|---|---|---|
4506ecf485
Now that the fast invalidate mechanism has been reintroduced, restore
the performance tweaks for fast invalidation that existed prior to its
removal.
Paraphrashing the original changelog:
Reload the mmu on all vCPUs after updating the generation number so
that obsolete pages are not used by any vCPUs. This allows collapsing
all TLB flushes during obsolete page zapping into a single flush, as
there is no need to flush when dropping mmu_lock (to reschedule).
Note: a remote TLB flush is still needed before freeing the pages as
other vCPUs may be doing a lockless shadow page walk.
Opportunstically improve the comments restored by the revert (the
code itself is a true revert).
This reverts commit
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| include | ||
| init | ||
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| kernel | ||
| lib | ||
| LICENSES | ||
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| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
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| 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 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.