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Subject: Re: [RFC] Enable use of UserLocal Register (ULRI) if detected
 (patches)
From: Stacey Son <sson@FreeBSD.org>
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Date: Wed, 19 Feb 2014 15:38:49 -0600
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To: Warner Losh <wlosh@bsdimp.com>
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On Feb 19, 2014, at 2:36 PM, Warner Losh <wlosh@bsdimp.com> wrote:

>> I have refreshed the patch with these changes:
>>=20
>> http://people.freebsd.org/~sson/mips/ulri/ulri_kernel.diff
>=20
> Did you upload the right patch, since this seems to be using the new =
#defines still..

You may need to refresh your browser.  (I used the same file name.  =
Sorry about that.)


> OK. I'll have to give these patches a spin on my octeon boards. I'd =
had a conversation with one if Cavium's engineers years ago where he =
said that he wished FreeBSD implemented TLS this way, implying cavium =
has them. But seeing the other note from Juli makes me unsure (since she =
would know better than I)...

I only have access to Octeon CN5020 (ERL) and it doesn't seem to have =
it.=20

The "  Config3=3D" message generated from cpu_identify() say if the =
hardware supports it.  Bit 14 will be on...

#define	MIPS_CONFIG3_ULR	0x00002000	/* UserLocal reg =
implemented */

-stacey.