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[ Upstream commit4af1b64f80] Current code uses per_cpu pointer to get the lmtst_id mapped to the core on which aura_free() is executed. Using per_cpu pointer without preemption disable causing mismatch between lmtst_id and core on which pointer gets freed. This patch fixes the issue by disabling preemption around aura_free. Fixes:ef6c8da71e("octeontx2-pf: cn10K: Reserve LMTST lines per core") Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@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 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.