From: u.kleine-koenig@pengutronix.de (Uwe Kleine-König)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm: prevent inlining in arxescsi.c causing build failures
Date: Thu, 1 Dec 2011 09:06:14 +0100 [thread overview]
Message-ID: <20111201080613.GF26618@pengutronix.de> (raw)
In-Reply-To: <1322713611-30003-1-git-send-email-paul.gortmaker@windriver.com>
On Wed, Nov 30, 2011 at 11:26:51PM -0500, Paul Gortmaker wrote:
> The following failure is seen in routine coverage builds:
>
> CC [M] drivers/scsi/arm/arxescsi.o
> /tmp/cccEyiO7.s: Assembler messages:
> /tmp/cccEyiO7.s:334: Error: symbol `.loop_1' is already defined
> /tmp/cccEyiO7.s:337: Error: symbol `.loop_2' is already defined
> /tmp/cccEyiO7.s:343: Error: symbol `.loop_3' is already defined
> /tmp/cccEyiO7.s:365: Error: symbol `.loop_1' is already defined
> /tmp/cccEyiO7.s:368: Error: symbol `.loop_2' is already defined
> /tmp/cccEyiO7.s:374: Error: symbol `.loop_3' is already defined
> make[4]: *** [drivers/scsi/arm/arxescsi.o] Error 1
>
> It is caused by multiple inline of arxescsi_pseudo_dma_write()
> which is responsible for the above labels. Marking the fcn
> as non-inline fixes the issue.
>
> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Is that a compiler or a code issue? If it's the compiler please fix
that. If it's the code, then please document why you added the noinline.
Having said that, "my" compiler compiles drivers/scsi/arm/arxescsi.o
just fine (using rpc_defconfig on v3.2-rc2).
> diff --git a/drivers/scsi/arm/arxescsi.c b/drivers/scsi/arm/arxescsi.c
> index a750aa7..2608a9e 100644
> --- a/drivers/scsi/arm/arxescsi.c
> +++ b/drivers/scsi/arm/arxescsi.c
> @@ -72,7 +72,8 @@ arxescsi_dma_setup(struct Scsi_Host *host, struct scsi_pointer *SCp,
> return fasdma_pseudo;
> }
>
> -static void arxescsi_pseudo_dma_write(unsigned char *addr, void __iomem *base)
> +static noinline void
> +arxescsi_pseudo_dma_write(unsigned char *addr, void __iomem *base)
Shouldn't this line get some indention?
> {
> __asm__ __volatile__(
> " stmdb sp!, {r0-r12}\n"
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-K?nig |
Industrial Linux Solutions | http://www.pengutronix.de/ |
next prev parent reply other threads:[~2011-12-01 8:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-01 4:26 [PATCH] arm: prevent inlining in arxescsi.c causing build failures Paul Gortmaker
2011-12-01 8:06 ` Uwe Kleine-König [this message]
2011-12-01 10:46 ` Sergei Shtylyov
2011-12-01 14:06 ` Arnd Bergmann
-- strict thread matches above, loose matches on Subject: below --
2012-01-22 19:16 Paul Gortmaker
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