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This has no code changes, but the typo is clearly getting copy/pasted,
so better to avoid this now and fix the typo. IS_ENABLED() takes full
names, and must have the "CONFIG_" prefix.
Reported-by: Joe Perches <joe@perches.com>
Link: https://lore.kernel.org/lkml/b08611018fdb6d88757c6008a5c02fa0e07b32fb.camel@perches.com
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/202006050718.9D4FCFC2E@keescook
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Under ideal circumstances, the driver should be able to keep the GPU
fully saturated with work. Measure how close to ideal we get under the
harshest of conditions with no user payload.
v2: Also measure throughput using only one thread.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200422074203.9799-1-chris@chris-wilson.co.uk
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Measure the memcpy bw between our CPU accessible regions, trying all
supported mapping combinations(WC, WB) across various sizes.
v2:
use smaller sizes
throw in memcpy32/memcpy64/memcpy_from_wc
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200129093343.194570-1-matthew.auld@intel.com
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Include the types used by the headers to they can be compiled
standalone.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200103104516.1757103-2-chris@chris-wilson.co.uk
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Some basic information that is useful to know, such as how many cycles
is a MI_NOOP.
v2: Keep volatile pages pinned at all times! (Matthew)
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Anna Karas <anna.karas@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191111172716.23733-1-chris@chris-wilson.co.uk
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