[RFC][PATCH] ppc64: better handling of H_ENTER failures

[Benjamin Herrenschmidt]

On Sun, 2004-08-01 at 05:27, Paul Mackerras wrote:
> Benjamin Herrenschmidt writes:
>
> > This patch changes the hash insertion routines to return an error
> > instead of calling panic() when HV refuses to insert a HPTE.
>
>
> Looks good, do you have a test program?  It should be possible to
> provoke the error with xmon -m /dev/mem, if nothing else. :)

I had a test case with the VGA driver back in Austin, I didn't test
from userland. Do you have a box at hand where HV will refuse a HPTE
insertion for legacy ISA space ? that's probably the easiest way to
trigger it.

Ben.


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