Date: Thu, 15 Nov 2012 14:13:01 -0600 From: Alan Cox <alc@rice.edu> To: Adrian Chadd <adrian@freebsd.org> Cc: "Jayachandran C." <jchandra@freebsd.org>, mips@freebsd.org Subject: Re: ZERO_REGION_SIZE Message-ID: <50A54CCD.8070409@rice.edu> In-Reply-To: <CAJ-Vmon-v3K7012ti_L6ao3wQHfQ99Jau1kJ%2BGhumbPjAuSDww@mail.gmail.com> References: <50A53391.4080909@rice.edu> <CAJ-Vmon-v3K7012ti_L6ao3wQHfQ99Jau1kJ%2BGhumbPjAuSDww@mail.gmail.com>
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On 11/15/2012 13:09, Adrian Chadd wrote: > Alan, would you like me to send you some MIPS hardwarE? Let me think about that. Now may not be the right time, but I suspect that I'll take you up on that offer in a few months. In the meantime, I'll say that I've always got prompt responses to my requests for testing from people on this list, particularly jchandra@. So, I don't feel like progress on MIPS VM issues is being slowed much by my lack of hardware. Thanks, Alan P.S. I would encourage someone with hardware to look into implementing a non-iterative ffs*() using (d)clz. The MIPS pmap would benefit from this. Basically, most pmap_enter() calls are doing an ffs*().
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