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When KMSAN is enabled, this function causes has a rather excessive stack usage: drivers/gpu/drm/i915/display/skl_watermark.c:2977:1: error: stack frame size (1432) exceeds limit (1408) in 'skl_compute_wm' [-Werror,-Wframe-larger-than] This is apparently all caused by the varargs calls to drm_dbg_kms(). Inlining this into skl_compute_wm() means that any function called by skl_compute_wm() has its own stack on top of that. Move the worst bit into a separate function marked as noinline_for_stack to limit that to the one code path that actually needs it. Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20250620113748.3869160-1-arnd@kernel.org Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> |
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| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
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| rust | ||
| samples | ||
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| sound | ||
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| virt | ||
| .clang-format | ||
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| .cocciconfig | ||
| .editorconfig | ||
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| .mailmap | ||
| .pylintrc | ||
| .rustfmt.toml | ||
| COPYING | ||
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| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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.