Re: [PATCH] Synthesize TLB refill handler at runtime

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On Wed, 24 Nov 2004, Ralf Baechle wrote:

> Which unfortunately is becoming unusable fairly soon on many systems.
> IP27: ARC is dead after the first TLB flush.  IP22: dead after the
> external L2 controller was enabled etc.  On average I'm less than
> pleased with firmware usability even for simple stuff such as printing ...

 Broken firmware...  For DECstations it works until we wipe out RAM
reserved by the firmware, right before running `init'.  Which is not
firmware's fault, of course, and which I plan to get fixed eventually to
be able to access and set firmware environment variables from the
userland, to do a proper halt and reboot (with a command), etc.  I've not
decided whether to rip it away completely or to leave it as a
configuration option for these memory starved.  You can have 4MB of RAM on
some DECstations, you know.

  Maciej


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