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/
This archive was generated by hypermail 2b29 : Sat Mar 23 2002 - 22:00:12 EST