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Differential D8206

INTRNG - fix MSI/MSIX release path
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Authored by gonzo on Oct 9 2016, 8:41 PM.
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Reviewers
andrew
mmel
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rS307059: INTRNG - fix MSI/MSIX release path
Summary

Use isrc in attached MSI data structure instead of using map's
isrc directly. map's isrc is set to NULL on IRQ deactivation
which happens prior to pci_release_msi so MSI_RELEASE_MSI
receives array of NULLs

Test Plan

Use Tegra Jetson-TK1 for tests. Put if_iwn device in PCIe slot,
kldload if_iwn; kldunload if_iwn crashes kernel without this patch
and everything is OK with this patch

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rS FreeBSD src repository - subversion
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Event Timeline

gonzo updated this revision to Diff 21211.Oct 9 2016, 8:41 PM
gonzo retitled this revision from to INTRNG - fix MSI/MSIX release path.
gonzo updated this object.
gonzo edited the test plan for this revision. (Show Details)
gonzo added reviewers: mmel, andrew.
Herald added a subscriber: imp. · View Herald TranscriptOct 9 2016, 8:41 PM
mmel accepted this revision.Oct 10 2016, 4:58 PM
mmel edited edge metadata.
This revision is now accepted and ready to land.Oct 10 2016, 4:58 PM
Closed by commit rS307059: INTRNG - fix MSI/MSIX release path (authored by gonzo). · Explain WhyOct 11 2016, 5:00 PM
This revision was automatically updated to reflect the committed changes.

Revision Contents
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PathSize
head/
sys/
kern/
38 lines

Diff 21256

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head/sys/kern/subr_intr.c

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