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Henry Huang 35bf430e08 sched_ext: initialize kit->cursor.flags
struct bpf_iter_scx_dsq *it maybe not initialized.
If we didn't call scx_bpf_dsq_move_set_vtime and scx_bpf_dsq_move_set_slice
before scx_bpf_dsq_move, it would cause unexpected behaviors:
1. Assign a huge slice into p->scx.slice
2. Assign a invalid vtime into p->scx.dsq_vtime

Signed-off-by: Henry Huang <henry.hj@antgroup.com>
Fixes: 6462dd53a2 ("sched_ext: Compact struct bpf_iter_scx_dsq_kern")
Cc: stable@vger.kernel.org # v6.12
Signed-off-by: Tejun Heo <tj@kernel.org>
History 2024-12-24 10:56:08 -10:00
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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 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.