Re: [Xenomai-help] Xenomai 2.5.6 and 2.6.38.8 kernel

[Philippe Gerum <rpm@xenomai.org>]

On Wed, 2011-06-22 at 10:55 +0200, VEYSSIERE Nicolas wrote:
> Same thing here, I tried to patch linux 2.6.38 with the latest adeos
> patch
> (http://download.gna.org/adeos/patches/v2.6/x86/adeos-ipipe-2.6.38.8-x86-2.10-00.patch) but the kernel compilation failed :
> 
>  

Support for latency watchdog is discontinued starting from 2.6.38.

diff --git a/ksrc/arch/x86/hal_32.c b/ksrc/arch/x86/hal_32.c
index 5f5ff2c..de21c90 100644
--- a/ksrc/arch/x86/hal_32.c
+++ b/ksrc/arch/x86/hal_32.c
@@ -337,7 +337,7 @@ int rthal_arch_init(void)
 		rthal_smi_restore();
 		return -ENODEV;
 	}
-#ifdef CONFIG_GENERIC_CLOCKEVENTS
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38) && defined(CONFIG_GENERIC_CLOCKEVENTS)
 	if (nmi_watchdog == NMI_IO_APIC) {
 		printk("Xenomai: NMI kernel watchdog set to NMI_IO_APIC (nmi_watchdog=1).\n"
 		       "         This will disable the LAPIC as a clock device, and\n"
> 
>  
> 
> ……
> 
>   LD      arch/x86/pci/built-in.o
> 
>   CC      arch/x86/power/cpu.o
> 
>   CC      arch/x86/power/hibernate_32.o
> 
>   AS      arch/x86/power/hibernate_asm_32.o
> 
>   LD      arch/x86/power/built-in.o
> 
>   CC      arch/x86/video/fbdev.o
> 
>   LD      arch/x86/video/built-in.o
> 
>   CC      arch/x86/xenomai/hal_32.o
> 
> arch/x86/xenomai/hal_32.c: In function 'rthal_arch_init':
> 
> arch/x86/xenomai/hal_32.c:341: error: 'nmi_watchdog' undeclared (first
> use in this function)
> 
> arch/x86/xenomai/hal_32.c:341: error: (Each undeclared identifier is
> reported only once
> 
> arch/x86/xenomai/hal_32.c:341: error: for each function it appears
> in.)
> 
> arch/x86/xenomai/hal_32.c:341: error: 'NMI_IO_APIC' undeclared (first
> use in this function)
> 
> At top level:
> 
> cc1: warning: unrecognized command line option
> "-Wno-unused-but-set-variable"
> 
> make[1]: *** [arch/x86/xenomai/hal_32.o] Error 1
> 
> make: *** [arch/x86/xenomai] Error 2
> 
>  
> 
>  
> 
>  
> 
> Can someone tell me what to do ?
> 
>  
> 
> Thanks.
> 
>  
> 
> Regards,
> 
>  
> 
> -- 
> 
> Nicolas VEYSSIERE
> 
>  
> 
> 
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> Xenomai-help mailing list
> Xenomai-help@domain.hid
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-- 
Philippe.