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authorJason A. Harmening <jah@FreeBSD.org>2016-08-07 15:50:08 +0000
committerJason A. Harmening <jah@FreeBSD.org>2016-08-07 15:50:08 +0000
commitb57417e56f51761cc2ad5e47cc62976dee8c569b (patch)
treeb8e0607b9bfb95d3ed899ba0290f1dce654dea7e /sys/dev/ixl/i40e_register.h
parent4d58b0c3a9bcead24d81492638f38564f48e9316 (diff)
downloadsrc-b57417e56f51761cc2ad5e47cc62976dee8c569b.tar.gz
src-b57417e56f51761cc2ad5e47cc62976dee8c569b.zip
powerpc busdma: Use pmap_quick_enter_page()/pmap_quick_remove_page() to handle
bouncing of unmapped buffers. Also treat userspace buffers as unmapped, to avoid borrowing the UVA for copies. This allows sync'ing userspace buffers outside the context of the owning process, and sync'ing bounced maps in non-sleepable contexts. This change is equivalent to r286787 for x86. Reviewed by: jhibbits Differential Revision: https://reviews.freebsd.org/D3989
Notes
Notes: svn path=/head/; revision=303814
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