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Date: Thu, 12 Jun 2008 21:10:31 +0200
From: Philippe Gerum <philippe.gerum@domain.hid>
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Subject: Re: [Xenomai-help] High latencies on Core2Duo
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To: Sebastian Smolorz <smolorz@domain.hid>
Cc: xenomai@xenomai.org

Sebastian Smolorz wrote:

> I have attached a new trace output with again high latencies and my
> kernel config.
> 

Could you run another trace with that patch applied? TIA,

--- include/asm-x86/bits/pod_32.h	(revision 3965)
+++ include/asm-x86/bits/pod_32.h	(working copy)
@@ -68,7 +68,7 @@

 #define xnarch_enter_root(rootcb)  do { } while(0)

-static inline void xnarch_switch_to(xnarchtcb_t * out_tcb, xnarchtcb_t * in_tcb)
+static void xnarch_switch_to(xnarchtcb_t * out_tcb, xnarchtcb_t * in_tcb)
 {
 	struct task_struct *prev = out_tcb->active_task;
 	struct task_struct *next = in_tcb->user_task;
@@ -110,7 +110,7 @@

 	xnarch_switch_threads(out_tcb, in_tcb, prev, next);

-	if (xnarch_shadow_p(out_tcb, prev)) {
+	if (0 && xnarch_shadow_p(out_tcb, prev)) {

 		loadsegment(fs, fs);
 		loadsegment(gs, gs);

-- 
Philippe.