From: Simon Horman <horms@verge.net.au>
To: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Cc: kexec@lists.infradead.org, chaowang@redhat.com
Subject: Re: [PATCH] kexec/ppc64: disabling exception handling when building the purgatory
Date: Wed, 23 Jul 2014 09:02:13 +0900 [thread overview]
Message-ID: <20140723000213.GC21367@verge.net.au> (raw)
In-Reply-To: <20140722162228.12506.28076.stgit@nimbus>
On Tue, Jul 22, 2014 at 06:22:28PM +0200, Laurent Dufour wrote:
> Some Linux distributions would like to turn on the GCC exception handling
> by default. As this option introduces symbols in the built code that are
> defined in a separate shared library, this is not a good idea to have such
> an option activated when building the purgatory.
>
> This patch forces the exception handling to be turned off when building the
> purgatory on ppc64 BE and LE.
>
> Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
> ---
> purgatory/arch/ppc64/Makefile | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/purgatory/arch/ppc64/Makefile b/purgatory/arch/ppc64/Makefile
> index 712e2b194bee..6c58fa20dad9 100644
> --- a/purgatory/arch/ppc64/Makefile
> +++ b/purgatory/arch/ppc64/Makefile
> @@ -9,7 +9,8 @@ ppc64_PURGATORY_SRCS += purgatory/arch/ppc64/console-ppc64.c
> ppc64_PURGATORY_SRCS += purgatory/arch/ppc64/crashdump_backup.c
> ppc64_PURGATORY_SRCS += purgatory/arch/ppc64/misc.S
>
> -ppc64_PURGATORY_EXTRA_CFLAGS += -m64 -msoft-float -fno-stack-protector
> +ppc64_PURGATORY_EXTRA_CFLAGS += -m64 -msoft-float -fno-stack-protector \
> + -fno-exceptions
> ppc64_PURGATORY_EXTRA_ASFLAGS += -m64
> ifeq ($(SUBARCH),BE)
> ppc64_PURGATORY_EXTRA_LDFLAGS += -melf64ppc
>
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next prev parent reply other threads:[~2014-07-23 0:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-22 10:42 kexec/kdump fails to load in ELF symbol relocation on ppc64 arch WANG Chao
2014-07-22 13:54 ` Laurent Dufour
2014-07-22 16:22 ` [PATCH] kexec/ppc64: disabling exception handling when building the purgatory Laurent Dufour
2014-07-23 0:02 ` Simon Horman [this message]
2014-07-23 0:02 ` Simon Horman
2014-07-24 6:15 ` WANG Chao
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