319729 – Xen Guide Kernel compilation update

Bug 319729 - Xen Guide Kernel compilation update

Summary: Xen Guide Kernel compilation update

Status:	RESOLVED FIXED

Alias:	None

Product:	[OLD] Docs on www.gentoo.org
Classification:	Unclassified
Component:	Other documents (show other bugs)
Hardware:	AMD64 Linux

Importance:	High minor (vote)
Assignee:	nm (RETIRED)

URL:	http://www.gentoo.org/doc/en/xen-guid...
Whiteboard:
Keywords:

Depends on:
Blocks:

Reported:	2010-05-14 16:14 UTC by Ralf
Modified:	2010-05-14 21:55 UTC (History)
CC List:	1 user (show)

See Also:
Package list:
Runtime testing required:	---

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Description Ralf 2010-05-14 16:14:21 UTC

the Guide  http://www.gentoo.org/doc/en/xen-guide.xml needs to be updated:
The part 

"Code Listing 2.4: Enabling Xen Support for x86_64 Kernels

Processor type and features  --->
      Subarchitecture Type (PC-compatible)
  [*] Enable Xen compatible kernel"

needs additionally the follwing kernel option:

"[*] Support for hot-pluggable CPUs"

Otherwhise kernel compilation ends in error:

"kernel/cpu.c: In function 'disable_nonboot_cpus':
kernel/cpu.c:397: error: implicit declaration of function '_cpu_down'
make[1]: *** [kernel/cpu.o] Error 1
make: *** [kernel] Error 2"

Reproducible: Always

Steps to Reproduce:
1.compiling the the xen kernel according to the xen-guide
2.
3.

Comment 1 nm (RETIRED) gentoo-dev

2010-05-14 21:55:35 UTC

Thanks for the update. Fixed.