RE: [patch 2.6.11-rc3-bk4] Correctly dereference ia64_mca_data

From: David Mosberger <davidm_at_napali.hpl.hp.com>
Date: 2005-02-10 11:54:45
>>>>> On Wed, 9 Feb 2005 16:44:44 -0800, "Luck, Tony" <tony.luck@intel.com> said:

  >> It just went bang, saying that "f6" was corrupted ... but I'm not
  >> doing the right things to tickle the corner case on a regular
  >> basis ... so I only have the one data point so far.

  Tony> Hmmm ... I'm not seeing anyplace where f6 is saved in the MCA
  Tony> path before we call up to ia64_mca_ucmc_handler() ... which is
  Tony> bad as f6 is designated as a scratch register.

That certainly would do the trick.

Am I seeing this right: the path doesn't save practically nothing
other than what is saved in the PAL min-state area?  The path
presumably also ought to switch the register-backing store (I think
Keith alluded to this previously).

	--david
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Received on Wed Feb 9 19:55:22 2005

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