Bug 484144 - VTd: changeset 7 of 16: hook pio
VTd: changeset 7 of 16: hook pio
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: kernel-xen (Show other bugs)
All Linux
low Severity medium
: rc
: 5.4
Assigned To: Xen Maintainance List
Martin Jenner
Depends On: 484141
Blocks: 331741 484145
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Reported: 2009-02-04 18:27 EST by Don Dugger
Modified: 2014-07-24 23:22 EDT (History)
2 users (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Last Closed: 2009-02-05 10:19:44 EST
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RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
hook pio (8.91 KB, patch)
2009-02-04 18:27 EST, Don Dugger
no flags Details | Diff

  None (edit)
Description Don Dugger 2009-02-04 18:27:02 EST
Created attachment 330938 [details]
hook pio

Description of patch:

hook pio for assigned devices, thus improve pio performance.

map memory for VT-d page table, map mmio of assigned device in p2m/ept table, and set UC of these mmio pages.

Upstream Status: Accepted (CS 15916, 17529, 17645)
Comment 1 Don Dugger 2009-02-05 10:19:44 EST
Process error, don't need a separate BZ per patch

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