Date: Tue, 09 Jun 2009 19:50:00 -0600 From: Peter Grehan <grehan@freebsd.org> To: Jeff Roberson <jroberson@jroberson.net> Cc: arch@freebsd.org, Marius Strobl <marius@alchemy.franken.de> Subject: Re: Dynamic pcpu, arm, mips, powerpc, sun, etc. help needed Message-ID: <4A2F1148.9090706@freebsd.org> In-Reply-To: <20090609201127.GA50903@alchemy.franken.de> References: <alpine.BSF.2.00.0906032050220.981@desktop> <20090609201127.GA50903@alchemy.franken.de>
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> 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). later, Peter.
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