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a2f73400e4
In the page fault case it is ok to see if a few more unaligned bytes can be copied from the source address. Worst case is that the page fault will be triggered again. Machine checks are more serious. Just give up at the point where the main copy loop triggered the #MC and return from the copy code as if the copy succeeded. The machine check handler will use task_work_add() to make sure that the task is sent a SIGBUS. Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20201006210910.21062-5-tony.luck@intel.com |
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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.