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[Xen-ia64-devel] Nats not correctly saved/restored in context

from [Tristan Gingold]

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Subject:	[Xen-ia64-devel] Nats not correctly saved/restored in context
From:	Tristan Gingold <tgingold@xxxxxxx>
Date:	Thu, 8 Mar 2007 06:24:46 +0100
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Hi,

it may seem obvious struct cpu_user_regs is carefully read, but NaT bits
are not correctly saved and restored.  Here is a small program (based on
ia64regcheck) which checks this.

This program works well on bare linux but fails in dom0.  I have not run it
in domU or domVti.
Run as many processes as you have vcpus.

I plan to reorder fields in struct cpu_user_regs to fix the bug (and to
make eml_unat more usable).

Tristan.

Makefile
Description: Text document

checker.c
Description: Text Data

regcheck.s
Description: Text document

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