| To: | David Daney <ddaney@caviumnetworks.com> |
|---|---|
| Subject: | Re: [PATCH 02/36] Add Cavium OCTEON files to arch/mips/include/asm/mach-cavium-octeon |
| From: | Ralf Baechle <ralf@linux-mips.org> |
| Date: | Wed, 29 Oct 2008 01:29:11 +0000 |
| Cc: | linux-mips@linux-mips.org, Tomaso Paoletti <tpaoletti@caviumnetworks.com>, Paul Gortmaker <Paul.Gortmaker@windriver.com> |
| In-reply-to: | <4907A586.40409@caviumnetworks.com> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <490655B6.4030406@caviumnetworks.com> <1225152181-3221-1-git-send-email-ddaney@caviumnetworks.com> <1225152181-3221-2-git-send-email-ddaney@caviumnetworks.com> <20081028075733.GB20858@linux-mips.org> <4907A586.40409@caviumnetworks.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mutt/1.5.18 (2008-05-17) |
On Tue, Oct 28, 2008 at 04:51:34PM -0700, David Daney wrote: >> It also means the resulting kernel won't have support for futex which >> essentially means you're cut off from modern libcs. >> >> It is possible to get this to work - but nobody bothered so far; ll/sc-less >> R2000 class processors are very rare these days. My recommendation is >> to keep cpu_has_llsc as 1 until you've fixed up the futex implementation, >> if you deciede so. > > Someone should tell ip32 w/ R5000 this. It seems that it is broken too. > > This could explain why my R5000 O2 does weird things with glibc 2.8... The R5000 has a hardware bug with LL/SC on XKPHYS addresses so we can't ... Ralf |
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