diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:17:50 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:17:50 +0200 |
| commit | 1791a78c0b10fe548bf08a2ed7f84a4ea1385430 (patch) | |
| tree | 3bc3e71a900a364aaaaf28d553ce44e5dc27092b /arch/x86/kernel/cpu | |
| parent | bf07dc864902b3e788de5ab50dc62d5677da90f2 (diff) | |
| parent | 066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff) | |
Merge branch 'linus' into x86/cleanups
Diffstat (limited to 'arch/x86/kernel/cpu')
| -rw-r--r-- | arch/x86/kernel/cpu/cpufreq/longrun.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/cpufreq/powernow-k8.c | 15 |
2 files changed, 14 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/longrun.c b/arch/x86/kernel/cpu/cpufreq/longrun.c index af4a867a097..777a7ff075d 100644 --- a/arch/x86/kernel/cpu/cpufreq/longrun.c +++ b/arch/x86/kernel/cpu/cpufreq/longrun.c @@ -245,7 +245,7 @@ static unsigned int __init longrun_determine_freqs(unsigned int *low_freq, if ((ecx > 95) || (ecx == 0) || (eax < ebx)) return -EIO; - edx = (eax - ebx) / (100 - ecx); + edx = ((eax - ebx) * 100) / (100 - ecx); *low_freq = edx * 1000; /* back to kHz */ dprintk("low frequency is %u kHz\n", *low_freq); diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c index 46d4034d9f3..206791eb46e 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c @@ -1127,12 +1127,23 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol) * an UP version, and is deprecated by AMD. */ if (num_online_cpus() != 1) { - printk(KERN_ERR PFX "MP systems not supported by PSB BIOS structure\n"); +#ifndef CONFIG_ACPI_PROCESSOR + printk(KERN_ERR PFX "ACPI Processor support is required " + "for SMP systems but is absent. Please load the " + "ACPI Processor module before starting this " + "driver.\n"); +#else + printk(KERN_ERR PFX "Your BIOS does not provide ACPI " + "_PSS objects in a way that Linux understands. " + "Please report this to the Linux ACPI maintainers" + " and complain to your BIOS vendor.\n"); +#endif kfree(data); return -ENODEV; } if (pol->cpu != 0) { - printk(KERN_ERR PFX "No _PSS objects for CPU other than CPU0\n"); + printk(KERN_ERR PFX "No ACPI _PSS objects for CPU other than " + "CPU0. Complain to your BIOS vendor.\n"); kfree(data); return -ENODEV; } |