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e89b384cde
emit_pte assumes the size argument is 4k aligned, this may not be true for the PTEs emitted for CSS as seen by below call stack: [ 56.734228] xe_migrate_copy:585: size=327680, ccs_start=327680, css_size=1280,4096 [ 56.734250] xe_migrate_copy:643: size=262144 [ 56.734252] emit_pte:404: ptes=64 [ 56.734255] emit_pte:418: chunk=64 [ 56.734257] xe_migrate_copy:650: size=1024 @ CCS emit PTE [ 56.734259] emit_pte:404: ptes=1 [ 56.734261] emit_pte:418: chunk=1 [ 56.734339] xe_migrate_copy:643: size=65536 [ 56.734342] emit_pte:404: ptes=16 [ 56.734344] emit_pte:418: chunk=16 [ 56.734346] xe_migrate_copy:650: size=256 # CCS emit PTE [ 56.734348] emit_pte:404: ptes=1 [ 56.734350] emit_pte:418: chunk=1 [ 56.734352] xe_res_next:174: size=4096, remaining=0 Update emit_pte to handle sizes less than 4k. Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> |
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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.