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drm/i915: Disable userptr pread/pwrite support.
Userptr should not need the kernel for a userspace memcpy, userspace needs to call memcpy directly. Specifically, disable i915_gem_pwrite_ioctl() and i915_gem_pread_ioctl(). Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Acked-by: Jason Ekstrand <jason@jlekstrand.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210323155059.628690-12-maarten.lankhorst@linux.intel.com
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Maarten Lankhorst
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Daniel Vetter
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Mar 24, 2021
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