Re: [PATCH] parisc: report inequivalent aliases only for writeable mappings

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On Wed, 2014-01-22 at 14:11 -0500, Mikulas Patocka wrote:
[no comment on the merits of the patch, just the wording of the change
log]
> This patch changes it so that INEQUIVALENT ALIASES are only reported for
> writeable mappings. PA-RISC specification allows inequivalent aliases for
> read-only mappings, so there's no need to report them as an error.

No, it doesn't.  The spec says no inequivalent aliases at all for
certain types of CPU (that was the cause of the inability to boot on the
CPU with the combined PIPT/VIPT cache) ... we believe we skirted the
requirements with some judicious flushing but we can't say it was
supported by the docs.

James



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