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Date:   Tue, 26 Aug 2014 11:49:33 +0100 (BST)
From:   "Maciej W. Rozycki" <macro@linux-mips.org>
To:     Ralf Baechle <ralf@linux-mips.org>
cc:     Joshua Kinard <kumba@gentoo.org>,
        Linux MIPS List <linux-mips@linux-mips.org>
Subject: Re: 16k or 64k PAGE_SIZE and "illegal instruction" (signal -4)
 errors
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On Tue, 26 Aug 2014, Maciej W. Rozycki wrote:

>  FWIW, I've been always using the 16k page size exclusively with my 64-bit 
> userland and my SWARM board using the SB-1/BCM1250 processor (with either 
> endianness) and never had issues even with stuff as intensive as native 
> GCC bootstrapping (with all the languages enabled such as Ada and Java) or 
> glibc builds.  It's been like 8 years now and quite recent kernels like 
> from two months ago gave me no trouble either.  So it must be something 
> specific to the configuration, my first candidates to look at would be the 
> generated TLB and cache handlers, that are system-specific.

 Ah, and no issues with the 16k page size and my R4400SC DECstation and 
the same 64-bit userland either, I booted it recently just fine, though 
little-endian only of course.  Like with the SWARM I stuck here to using 
that page size exclusively with 64-bit userland.

  Maciej