linux-kernel - RE: [PATCH 5/8] ARM: tegra: work around tegra THUMB2

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Message-ID: <74CDBE0F657A3D45AFBB94109FB122FF17BE861726@HQMAIL01.nvidia.com>
Date:	Thu, 1 Mar 2012 12:02:42 -0800
From:	Stephen Warren <swarren@...dia.com>
To:	Alan Ott <alan@...nal11.us>, Russell King <linux@....linux.org.uk>,
	Colin Cross <ccross@...roid.com>,
	Olof Johansson <olof@...om.net>,
	Grant Likely <grant.likely@...retlab.ca>,
	Linus Walleij <linus.walleij@...ricsson.com>,
	Alan Stern <stern@...land.harvard.edu>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Lucas De Marchi <lucas.demarchi@...fusion.mobi>,
	Arnd Bergmann <arnd@...db.de>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>
CC:	Arnd Bergmann <arnd@...db.de>
Subject: RE: [PATCH 5/8] ARM: tegra: work around tegra THUMB2_KERNEL bug

Alan Ott wrote at Thursday, March 01, 2012 12:27 PM:
> From: Arnd Bergmann <arnd@...db.de>
> 
> The tegra smp code cannot currently be built for t2, so
> disable that combination for now, as a workaround.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

At least in next-20120229 with the .config I'm using, everything appears
to compile fine. The link step does fail, but the error messages I get
don't appear to be Tegra specific:

xxx/kernel/sched/clock.c:334: relocation truncated to fit: R_ARM_THM_JUMP11 against symbol `sched_clock' defined in .text section in arch/arm/kernel/built-in.o
kernel/built-in.o: In function `post_relocation':
xxx/kernel/module.c:2860: relocation truncated to fit: R_ARM_THM_JUMP11 against symbol `module_finalize' defined in .text section in arch/arm/kernel/built-in.o
kernel/built-in.o: In function `show_interrupts':
xxx/kernel/irq/proc.c:431: relocation truncated to fit: R_ARM_THM_JUMP11 against symbol `arch_show_interrupts' defined in .text section in arch/arm/kernel/built-in.o
drivers/built-in.o: In function `pci_set_master':
xxx/drivers/pci/pci.c:2674: relocation truncated to fit: R_ARM_THM_JUMP11 against symbol `pcibios_set_master' defined in .text section in arch/arm/kernel/built-in.o

What failure does this solve, and how do I trigger it?

-- 
nvpublic

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