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.
Hugh Dickins
authored
5.15-rc1 crashes with blank screen when booting up on two ThinkPads using i915. Bisections converge convincingly, but arrive at different and surprising "culprits", none of them the actual culprit. netconsole (with init_netconsole() hacked to call i915_init() when logging has started, instead of by module_init()) tells the story: kernel BUG at drivers/gpu/drm/i915/i915_sw_fence.c:245! with RSI: ffffffff814d408b pointing to sw_fence_dummy_notify(). I've been building with CONFIG_CC_OPTIMIZE_FOR_SIZE=y, and that function needs to be 4-byte aligned. v2: (Jani Nikula) - Change BUG_ON to WARN_ON v3: (Jani / Tvrtko) - Short circuit __i915_sw_fence_init on WARN_ON v4: (Lucas) - Break WARN_ON changes out in a different patch Fixes: 62eaf0ae ("drm/i915/guc: Support request cancellation") Signed-off-by:Hugh Dickins <hughd@google.com> Signed-off-by:
Matthew Brost <matthew.brost@intel.com> Reviewed-by:
John Harrison <John.C.Harrison@Intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210922015039.26411-1-matthew.brost@intel.com
Forked from
BeagleBoard.org / Linux
307753 commits behind the upstream repository.
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| README |