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SubjectRe: [patch] power, xen64: fix PM_SLEEP build dependencies (was: Re: [PATCH 00 of 55] xen64: implement 64-bit Xen support)

-tip testing found another PM/PM_SLEEP victim:

arch/x86/kernel/built-in.o: In function `suspend':
apm_32.c:(.text+0xedb5): undefined reference to `save_processor_state'
apm_32.c:(.text+0xedd0): undefined reference to `restore_processor_state'

with this config:

http://redhat.com/~mingo/misc/config-Wed_Jul__9_18_53_45_CEST_2008.bad

havent figured out yet what it's about, but the core scenario seems to
be this combination (and only this combination) of config values:

# CONFIG_PM is not set
CONFIG_PM_SLEEP=y
CONFIG_APM=y
CONFIG_PARAVIRT=y
CONFIG_XEN=y

( accordingly, this build failure only hit two testsystems - the others
were able to do 250 successful builds without ever hitting this. It
needs to be fixed nevertheless, to keep the tests going. )

Ingo


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