As this thread [1] demonstrated, there is another nasty corner-case where enabled CONFIG_HPET_TIMER bites us. The attached patch aims at catching this case as well.
Jan [1] https://mail.gna.org/public/xenomai-help/2008-01/msg00009.html -- Siemens AG, Corporate Technology, CT SE 2 Corporate Competence Center Embedded Linux
--- scripts/Kconfig.frag | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) Index: xenomai/scripts/Kconfig.frag =================================================================== --- xenomai.orig/scripts/Kconfig.frag +++ xenomai/scripts/Kconfig.frag @@ -12,12 +12,12 @@ comment "(menu Device Drivers/Input devi depends on !X86_TSC && X86 && INPUT_PCSPKR comment "NOTE: Xenomai needs either X86_LOCAL_APIC enabled or HPET_TIMER disabled." - depends on !X86_LOCAL_APIC && X86 && HPET_TIMER + depends on (!X86_LOCAL_APIC || !X86_TSC) && X86 && HPET_TIMER comment "(menu Processor type and features)" - depends on !X86_LOCAL_APIC && X86 && HPET_TIMER + depends on (!X86_LOCAL_APIC || !X86_TSC) && X86 && HPET_TIMER config XENOMAI - depends on ((X86_TSC || !X86 || !INPUT_PCSPKR) && (!HPET_TIMER || !X86 || X86_LOCAL_APIC)) + depends on ((X86_TSC || !X86 || !INPUT_PCSPKR) && (!HPET_TIMER || !X86 || (X86_LOCAL_APIC && X86_TSC))) bool "Xenomai" default y select IPIPE
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