Bug 242122 - [RHEL5.1][XEN][IA64] blktap: Various cleanups necessary for ia64 support
[RHEL5.1][XEN][IA64] blktap: Various cleanups necessary for ia64 support
Status: CLOSED ERRATA
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: kernel-xen (Show other bugs)
5.0
ia64 Linux
high Severity high
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Assigned To: Keiichiro Tokunaga
Martin Jenner
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Depends On:
Blocks:
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Reported: 2007-06-01 16:23 EDT by Keiichiro Tokunaga
Modified: 2013-07-03 09:41 EDT (History)
2 users (show)

See Also:
Fixed In Version: RHBA-2007-0959
Doc Type: Bug Fix
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Last Closed: 2007-11-07 14:50:53 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Keiichiro Tokunaga 2007-06-01 16:23:34 EDT
Description of problem:
- remove magic number 8 and 64.
  page size / sector size is 8 on x86, however on ia64 page size is
  16kb.
  blkring size is 64 on x86. however it's 128 on ia64.
- replace 0xFFFF with INVALID_GRANT_HANDLE
- don't map io ring into user space with uncachable.
  kernel access the page with cacable and tapdisk uses memory barrier
  so that it isn't necessary.
- remove printk warning and inserted new line.
- remove unused variable, page.
- add one BUG()

cset#12269 fixes the issue.
Comment 1 RHEL Product and Program Management 2007-06-18 16:20:32 EDT
This request was evaluated by Red Hat Kernel Team for inclusion in a Red
Hat Enterprise Linux maintenance release, and has moved to bugzilla 
status POST.
Comment 2 Don Zickus 2007-06-27 11:55:37 EDT
in 2.6.18-32.el5
You can download this test kernel from http://people.redhat.com/dzickus/el5
Comment 4 Red Hat Bugzilla 2007-07-24 20:47:22 EDT
change QA contact
Comment 5 Mike Gahagan 2007-09-19 16:13:03 EDT
Confirmed fix is in the -45.el5 kernel.
Comment 7 errata-xmlrpc 2007-11-07 14:50:53 EST
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2007-0959.html

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