Attachment 299439 Details for Bug 431882 – Test patch which increases the boot delays

[patch] Test patch which increases the boot delays

smp-boot-delay.patch (text/plain), 1.48 KB, created by Thomas Gleixner on 2008-03-28 08:10:50 UTC

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Creator: Thomas Gleixner

Created: 2008-03-28 08:10:50 UTC

Size: 1.48 KB

patch

obsolete

>Subject: smp: boot delay
>From: Ingo Molnar <mingo@elte.hu>
>Date: Fri Mar 28 08:53:27 CET 2008
>
>Signed-off-by: Ingo Molnar <mingo@elte.hu>
>---
> arch/x86/kernel/smpboot.c |   10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
>Index: linux/arch/x86/kernel/smpboot.c
>===================================================================
>--- linux.orig/arch/x86/kernel/smpboot.c
>+++ linux/arch/x86/kernel/smpboot.c
>@@ -626,7 +626,7 @@ static inline void __inquire_remote_apic
> 
> 		timeout = 0;
> 		do {
>-			udelay(100);
>+			udelay(1000);
> 			status = apic_read(APIC_ICR) & APIC_ICR_RR_MASK;
> 		} while (status == APIC_ICR_RR_INPROG && timeout++ < 1000);
> 
>@@ -666,7 +666,7 @@ wakeup_secondary_cpu(int logical_apicid,
> 	/*
> 	 * Give the other CPU some time to accept the IPI.
> 	 */
>-	udelay(200);
>+	udelay(2000);
> 	/*
> 	 * Due to the Pentium erratum 3AP.
> 	 */
>@@ -786,7 +786,7 @@ wakeup_secondary_cpu(int phys_apicid, un
> 		/*
> 		 * Give the other CPU some time to accept the IPI.
> 		 */
>-		udelay(300);
>+		udelay(3000);
> 
> 		Dprintk("Startup point 1.\n");
> 
>@@ -796,7 +796,7 @@ wakeup_secondary_cpu(int phys_apicid, un
> 		/*
> 		 * Give the other CPU some time to accept the IPI.
> 		 */
>-		udelay(200);
>+		udelay(2000);
> 		/*
> 		 * Due to the Pentium erratum 3AP.
> 		 */
>@@ -965,7 +965,7 @@ do_rest:
> 		for (timeout = 0; timeout < 50000; timeout++) {
> 			if (cpu_isset(cpu, cpu_callin_map))
> 				break;	/* It has booted */
>-			udelay(100);
>+			udelay(1000);
> 		}
> 
> 		if (cpu_isset(cpu, cpu_callin_map)) {

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Attachments on bug 431882: 294241 | 294245 | 294246 | 299439 | 399913