Re: [PATCH] powerpc/85xx: Fix writing to spin table 'cpu-release-addr' on ppc64e

On Mar 5, 2011, at 3:05 PM, Kumar Gala wrote:

From: Kumar Gala <redacted>

If the spin table is located in the linear mapping (which can happen if
we have 4G or more of memory) we need to access the spin table via a
cacheable coherent mapping like we do on ppc32 (and do explicit cache
flush).

See the following commit for the ppc32 version of this issue:

commit d1d47ec6e62ab08d2ebb925fd9203abfad3adfbf
Author: Peter Tyser [off-list ref]
Date:   Fri Dec 18 16:50:37 2009 -0600

   powerpc/85xx: Fix SMP when "cpu-release-addr" is in lowmem

Signed-off-by: Kumar Gala <redacted>
---
arch/powerpc/platforms/85xx/smp.c |    6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)

applied

- k