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MFC: r225891
authormarius <marius@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Sat, 28 Jan 2012 23:26:55 +0000 (23:26 +0000)
committermarius <marius@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Sat, 28 Jan 2012 23:26:55 +0000 (23:26 +0000)
commit4565cd4c501f9ff7312dfbdc5f43d18c4e9ebabe
treef4f00978e9491e6d53e30fa4be0fe9e46b9db8cbtree | snapshot
parent9e5ea423c9ae21aa96472b10857e8bc5a7f136fdcommit | diff
MFC: r225891

Re-reading the Schizo errata suggests that it's actually tolerable to
also use the streaming buffer of pre version 5/revision 2.3 hardware as
long as we stay away from context flushes (which iommu(4) so far doesn't
take advantage of). OpenSolaris does the same.

git-svn-id: svn://svn.freebsd.org/base/stable/8@230678 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
sys/sparc64/pci/schizo.c diff | blob | history
8-STABLE