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900f362e20
Uprobe multi link does its own process (thread leader) filtering before running the bpf program by comparing task's vm pointers. But as Oleg pointed out there can be processes sharing the vm (CLONE_VM), so we can't just compare task->vm pointers, but instead we need to use same_thread_group call. Suggested-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Oleg Nesterov <oleg@redhat.com> Link: https://lore.kernel.org/bpf/20240905115124.1503998-2-jolsa@kernel.org
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.