Re: Performance is weird (fwd)

[Manfred Spraul <manfred@colorfullife.com>]

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I've attached a patch.
I tried to trigger the problem with my 10 MBit ne2k-pci connection, but
without success.

Could you try it?
I've tested it with -ac17, and it applies to 2.4.2 cleanly.

--
	Manfred

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--- 2.4/arch/i386/kernel/process.c	Thu Feb 22 22:28:52 2001
+++ build-2.4/arch/i386/kernel/process.c	Thu Mar 15 20:35:12 2001
@@ -81,6 +81,11 @@
 {
 	if (current_cpu_data.hlt_works_ok && !hlt_counter) {
 		__cli();
+		if (softirq_active(smp_processor_id()) & softirq_mask(smp_processor_id())) {
+			__sti();
+			do_softirq();
+			return;
+		}
 		if (!current->need_resched)
 			safe_halt();
 		else