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Revert "linuxkpi:
GFP_KERNEL
equals M_NOWAIT
now"
This change seems to break some drivers such as the mlx5*(4) drivers. As kib@ says: > According to the 'official' Linux kernel documentation, the GFP_KERNEL > flag implies sleepable context. It was introduced while working on the new vt(4)/DRM integration [1]. During this work, doing sleepable allocations broke vt(4) and the DRM drivers. However, I made further improvements and some locking-related fixed to the new integration without revisiting the need for it. After more testing, the improvements to the integration mentionned above seems to make the change to `GFP_KERNEL` unneeded now. I can thus revert it to restore expectations of other drivers. This reverts commit 14dcd40. [1] freebsd/drm-kmod#243 Reviewed by: kib Approved by: kib Differential Revision: https://reviews.freebsd.org/D42962
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