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/freebsd-10-stable/sys/dev/ntb/ntb_hw/
H A Dntb_hw.cdiff 304394 Thu Aug 18 09:04:07 MDT 2016 mav MFC r302508: Disable SB01BASE_LOCKUP workaround when split BARs disabled.

For some reason hack with sending MSI-X interrupts by writing to remote
LAPIC memory works only for 32-bit BARs, that are available only if split
BARs mode is enabled in BIOS. If it is not, complain loudly and fall back
to less efficient workaround.

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