linux-kernel - Re: kernel segv with 2.6.31-rc6 ?

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Message-Id: <20090820232357.934474730F@magilla.sf.frob.com>
Date:	Thu, 20 Aug 2009 16:23:57 -0700 (PDT)
From:	Roland McGrath <roland@...hat.com>
To:	"John David Anglin" <dave@...uly1.hia.nrc.ca>
Cc:	James.Bottomley@...senPartnership.com (James Bottomley),
	deller@....de, rusty@...tcorp.com.au, linux-parisc@...r.kernel.org,
	linux-kernel@...r.kernel.org, dave.anglin@....ca
Subject: Re: kernel segv with 2.6.31-rc6 ?

> At some time, GCC may start a new .text section at the beginning of
> each function.  We do this on hpux but not linux.  This will cause
> multiple .text sections to be present in an object and allow finer grained
> stub placement.

arch/parisc/Makefile:

	# Without this, "ld -r" results in .text sections that are too big
	# (> 0x40000) for branches to reach stubs.
	ifndef CONFIG_FUNCTION_TRACER
	  cflags-y	+= -ffunction-sections
	endif
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