Re: x86-cache-pollution-aware-__copy_from_user_ll.patch added to -mm tree

[Dave Jones <davej@redhat.com>]

On Sun, Sep 04, 2005 at 01:16:00PM -0700, Andrew Morton wrote:
 >  unsigned long __copy_to_user_ll(void __user *to, const void *from, unsigned long n)
 >  {
 >  	BUG_ON((long) n < 0);

Ehh? It's unsigned. This will never be true.

 > +unsigned long
 > +__copy_from_user_ll_nocache(void *to, const void __user *from, unsigned long n)
 > +{
 > +	BUG_ON((long)n < 0);

Ditto.

		Dave

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