Date: Fri, 12 Jun 2009 03:23:31 -1000 (HST) From: Jeff Roberson <jroberson@jroberson.net> To: Peter Grehan <grehan@freebsd.org> Cc: arch@freebsd.org, Marius Strobl <marius@alchemy.franken.de> Subject: Re: Dynamic pcpu, arm, mips, powerpc, sun, etc. help needed Message-ID: <alpine.BSF.2.00.0906120322000.1037@desktop> In-Reply-To: <4A2F1148.9090706@freebsd.org> References: <alpine.BSF.2.00.0906032050220.981@desktop> <20090609201127.GA50903@alchemy.franken.de> <4A2F1148.9090706@freebsd.org>
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On Tue, 9 Jun 2009, Peter Grehan wrote: >> As for sparc64 allocating the storage for the dynamic area >> from end probably isn't a good idea as the pmap code assumes >> that the range from KERNBASE to end is covered by the pages >> allocated by and locked into the TLB for the kernel by the >> loader > > Ditto for ppc. It's possible to get the additional space from within or > after return from pmap_bootstrap() (like thread0's kstack, or the msgbuf). > OK, I had originally split it into two stages. It sounds like I should return to this and revise the patch again. We worked out the i386 problems. I'll split it up again and post something that hopefully you two can try. Thanks, Jeff > later, > > Peter. >
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