RE: [Linux-ia64] Patch to fix lfetches accessing beyond a page (c opy_page/clear_pa ge)

From: David Mosberger <davidm_at_napali.hpl.hp.com>
Date: 2002-04-18 07:42:28
>>>>> On Wed, 17 Apr 2002 13:35:13 -0700, "Mallick, Asit K" <asit.k.mallick@intel.com> said:

  Asit> But I also think that the code should not access memory beyond
  Asit> the page even though it does not affect the functionality as
  Asit> these are hints. These accesses can also cause performance
  Asit> problems.

Ah, now *that's* an argument I can live with. ;-)

I just don't want there to be any confusion about whether or not
lfetch to arbitrary addresses is legal.  It must be, as hardware is
allowed to prefetch on its own.

	--david
Received on Wed Apr 17 14:44:01 2002

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