Messages in this thread | | | Date | Sat, 16 Mar 2002 20:42:28 +0100 | From | Dave Jones <> | Subject | Re: 2.4.19-pre2 Cyrix III SEGFAULT (Cyrix II redux?) |
| |
On Sat, Mar 16, 2002 at 10:07:05AM -0800, S W wrote: > But I recalled Linux 2.2 having a bug fix for broken > L2 cache in Cyrix II.
The cache itself isn't broken. Reporting of the size of it is.
> So, it got me thinking again... > (did Cyrix fix this L2 cache in certain subsequential > core?)
The bug is potentially in all cores with cpuid 670->68F If you have it, and you're not running a kernel with the fix you'll see you have a 16MB cache. If you run a kernel with the fix, you'll have the correct size (64KB)
> Does anyone recall where exactly are the Cyrix II L2 > cache bug fix in the kernelso that I can experiement > them toward the Cyrix III?
arch/i386/kernel/setup.c display_cacheinfo()
-- | Dave Jones. http://www.codemonkey.org.uk | SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |