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[ Upstream commit 43163f4c30f94d2103c948a247cdf2cda5068ca7 ] In the s390 defconfig, gcc-10 and earlier end up inlining three functions into nldev_stat_get_doit(), and each of them uses some 600 bytes of stack. The result is a function with an overly large stack frame and a warning: drivers/infiniband/core/nldev.c:2466:1: error: the frame size of 1720 bytes is larger than 1280 bytes [-Werror=frame-larger-than=] Mark the three functions noinline_for_stack to prevent this, ensuring that only one copy of the nlattr array is on the stack of each function. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://patch.msgid.link/20250620113335.3776965-1-arnd@kernel.org Signed-off-by: Leon Romanovsky <leon@kernel.org> 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.