linux-kernel - Re: CPUFreq compilation failure with current GIT.

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Date:	Fri, 13 Jul 2007 00:53:46 -0400
From:	Dave Jones <davej@...hat.com>
To:	Nigel Cunningham <nigel@...el.suspend2.net>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Mark Langsdorf <mark.langsdorf@....com>
Subject: Re: CPUFreq compilation failure with current GIT.

On Fri, Jul 13, 2007 at 01:23:16PM +1000, Nigel Cunningham wrote:
 > Hi.
 > 
 > Current git compilation fails on my amd64:
 > 
 >   CC [M]  arch/x86_64/kernel/cpufreq/../../../i386/kernel/cpu/cpufreq/acpi-cpufreq.o
 >   CC [M]  arch/x86_64/kernel/cpufreq/../../../i386/kernel/cpu/cpufreq/powernow-k8.o
 > arch/x86_64/kernel/cpufreq/../../../i386/kernel/cpu/cpufreq/powernow-k8.c: In function 'powernowk8_init':
 > arch/x86_64/kernel/cpufreq/../../../i386/kernel/cpu/cpufreq/powernow-k8.c:1334: error: 'struct cpuinfo_x86' has no member named 'booted_cores'
 > make[2]: *** [arch/x86_64/kernel/cpufreq/../../../i386/kernel/cpu/cpufreq/powernow-k8.o] Error 1
 > make[1]: *** [arch/x86_64/kernel/cpufreq] Error 2
 > make: *** [arch/x86_64/kernel] Error 2

Fixed in cpufreq.git, will go to linus real soon.
patch below..

	Dave


From: Andrew Morton <akpm@...ux-foundation.org>

Make it compile on UP.

Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Dave Jones <davej@...hat.com>
---

 arch/i386/kernel/cpu/cpufreq/powernow-k8.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff -puN arch/i386/kernel/cpu/cpufreq/powernow-k8.c~git-cpufreq-fix arch/i386/kernel/cpu/cpufreq/powernow-k8.c
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c~git-cpufreq-fix
+++ a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
@@ -1322,16 +1322,21 @@ static struct cpufreq_driver cpufreq_amd
 static int __cpuinit powernowk8_init(void)
 {
 	unsigned int i, supported_cpus = 0;
+	unsigned int booted_cores = 1;
 
 	for_each_online_cpu(i) {
 		if (check_supported_cpu(i))
 			supported_cpus++;
 	}
 
+#ifdef CONFIG_SMP
+	booted_cores = cpu_data[0].booted_cores;
+#endif
+
 	if (supported_cpus == num_online_cpus()) {
 		printk(KERN_INFO PFX "Found %d %s "
 			"processors (%d cpu cores) (" VERSION ")\n",
-			supported_cpus/cpu_data[0].booted_cores,
+			supported_cpus/booted_cores,
 			boot_cpu_data.x86_model_id, supported_cpus);
 		return cpufreq_register_driver(&cpufreq_amd64_driver);
 	}
_

-- 
http://www.codemonkey.org.uk
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