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b7d0949f6c
Original vmw_mksstat_remove_ioctl expected pid to match the corresponding vmw_mksstat_add_ioctl. That made impossible en-masse removals by one pid, which is a valid use case, so pid match was discarded. Current change enforces a broader pgid match as a form of protection from arbitrary processes interrupting an ongoing mks-guest-stats. Reviewed-by: Zack Rusin <zackr@vmware.com> Signed-off-by: Martin Krastev <krastevm@vmware.com> Signed-off-by: Zack Rusin <zackr@vmware.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210609172307.131929-8-zackr@vmware.com
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.