Attachment 303533 Details for Bug 443853 – RHEL5 fix for this issue [1/2]

[patch] RHEL5 fix for this issue [1/2]

diff (text/plain), 1.25 KB, created by Prarit Bhargava on 2008-04-23 18:07:34 UTC

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Creator: Prarit Bhargava

Created: 2008-04-23 18:07:34 UTC

Size: 1.25 KB

patch

obsolete

>diff -urNp -X linux-2.6.18.x86_64/Documentation/dontdiff linux-2.6.18.x86_64.orig/arch/i386/kernel/cpu/cpufreq/powernow-k8.c linux-2.6.18.x86_64/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
>--- linux-2.6.18.x86_64.orig/arch/i386/kernel/cpu/cpufreq/powernow-k8.c	2008-04-23 10:51:25.000000000 -0400
>+++ linux-2.6.18.x86_64/arch/i386/kernel/cpu/cpufreq/powernow-k8.c	2008-04-23 13:59:19.000000000 -0400
>@@ -1421,13 +1421,6 @@ static int __cpuinit powernowk8_init(voi
> 			supported_cpus++;
> 	}
> 
>-#ifdef CONFIG_XEN
>-	if (!is_initial_xendomain()) {
>-		/* Xen PV domU's can't possibly do powersaving; bail */
>-		return -EPERM;
>-	}
>-#endif
>-
> 	/* AMD provides AGESA library modules for use in their BIOS. The
> 	   default AGESA code creates the _PSD with the assumption the APICs
> 	   are numbered per the BKDG HOWEVER, there is a callback
>@@ -1442,7 +1435,7 @@ static int __cpuinit powernowk8_init(voi
> 	   this way. */
> 	if (preregister_acpi_perf == 1 && cpu_family == CPU_OPTERON) {
> 		char * dmi_data = dmi_get_system_info(DMI_BIOS_VENDOR);
>-		if (!strncmp(dmi_data, "Hewlett-Packard", 15)) {
>+		if (dmi_data && !strncmp(dmi_data, "Hewlett-Packard", 15)) {
> #ifdef CONFIG_XEN
> 	   		/* Disable cpufreq for HP AMD Opteron systems */
> 			printk("%s: This BIOS is %s .... disabling cpufreq "

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Attachments on bug 443853: 303533 | 303534 | 311493