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169eae7711
Eliminate a useless task_work on execve by moving the call to rseq_set_notify_resume() from sched_mm_cid_after_execve() to the error path of bprm_execve(). The call to rseq_set_notify_resume() from sched_mm_cid_after_execve() is pointless in the success case, because rseq_execve() will clear the rseq pointer before returning to userspace. sched_mm_cid_after_execve() is called from both the success and error paths of bprm_execve(). The call to rseq_set_notify_resume() is needed on error because the mm_cid may have changed. Also move the rseq_execve() to right after sched_mm_cid_after_execve() in bprm_execve(). [ mingo: Merged to a recent upstream kernel, extended the changelog. ] Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lore.kernel.org/r/20250327132945.1558783-1-mathieu.desnoyers@efficios.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 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.