Thread (115 messages) 115 messages, 8 authors, 2010-10-06
STALE5718d

[PATCH 4/4] omap: Fix SMP on UP interrupt handling for multi-omap

From: Shilimkar, Santosh <hidden>
Date: 2010-08-17 15:07:22
Also in: linux-omap

-----Original Message-----
From: linux-omap-owner at vger.kernel.org [mailto:linux-omap-
owner at vger.kernel.org] On Behalf Of Tony Lindgren
Sent: Tuesday, August 17, 2010 7:44 PM
To: srinidhi
Cc: linux-arm-kernel at lists.infradead.org; linux-omap at vger.kernel.org;
bryan.wu at canonical.com; Shilimkar, Santosh
Subject: Re: [PATCH 4/4] omap: Fix SMP on UP interrupt handling for multi-
omap

* srinidhi [off-list ref] [100817 15:07]:
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On Tue, 2010-08-17 at 13:30 +0200, Tony Lindgren wrote:
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* srinidhi [off-list ref] [100817 14:00]:
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On Tue, 2010-08-17 at 12:53 +0200, Tony Lindgren wrote:
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Fix SMP on UP interrupt handling for multi-omap

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/mach-omap2/include/mach/entry-macro.S |   22
++++++++++++++++++++++
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 arch/arm/mach-omap2/omap-smp.c                 |   16
++++++++++++----
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 arch/arm/mach-omap2/timer-gp.c                 |    7 +++++--
 3 files changed, 39 insertions(+), 6 deletions(-)
diff --git a/arch/arm/mach-omap2/include/mach/entry-macro.S
b/arch/arm/mach-omap2/include/mach/entry-macro.S
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index 06e64e1..75c67aa 100644
--- a/arch/arm/mach-omap2/include/mach/entry-macro.S
+++ b/arch/arm/mach-omap2/include/mach/entry-macro.S
There is one patch lying in Russell's tracker (6284/1) which
attempts to
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use the common IRQ helper macros instead of platforms duplicating
this
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file. Perhaps you may need to re-base to that if Russell is ok with
that
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patch, of course.
Nice to see. Ideally test_for_ipi and test_for_ltirq would return
early automatically when running SMP kernel on UP.

BTW, did you test patch 6284/1 with omap3_defconfig to make sure
that still boots on omap3 & 4?
Just build tested for all other machines and boot tested on ux500
machine. I do not have omap and other boards :(
OK, I'll give your patch a try on some omap3 board, maybe Santosh
can test it on omap4.
I tested patch 6284/1 on OMAP4 and OMAP3 SDPs with multi-omap and
normal build. Both boots well

Regards,
Santosh
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