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SubjectRE: [PATCH] powerpc/srio: Fix the relocation errors when building with 64bit
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On Mon, March 05, 2012 9:58 PM, Liu Gang wrote:
> Subject: [PATCH] powerpc/srio: Fix the relocation errors when building
> with 64bit
>
> For the file "arch/powerpc/sysdev/fsl_rio.c", there will be some
> relocation errors while using the corenet64_smp_defconfig:
>
> WARNING: modpost: Found 6 section mismatch(es).
> To see full details build your kernel with:
> 'make CONFIG_DEBUG_SECTION_MISMATCH=y'
> GEN .version
> CHK include/generated/compile.h
> UPD include/generated/compile.h
> CC init/version.o
> LD init/built-in.o
> LD .tmp_vmlinux1
> arch/powerpc/sysdev/built-in.o:(__ex_table+0x0):
> relocation truncated to fit: R_PPC64_ADDR16 against `.text'+3208
> arch/powerpc/sysdev/built-in.o:(__ex_table+0x2):
> relocation truncated to fit: R_PPC64_ADDR16 against `.fixup'
> arch/powerpc/sysdev/built-in.o:(__ex_table+0x4):
> relocation truncated to fit: R_PPC64_ADDR16 against `.text'+3230
> arch/powerpc/sysdev/built-in.o:(__ex_table+0x6):
> relocation truncated to fit: R_PPC64_ADDR16 against `.fixup'+c
> arch/powerpc/sysdev/built-in.o:(__ex_table+0x8):
> relocation truncated to fit: R_PPC64_ADDR16 against `.text'+3250
> arch/powerpc/sysdev/built-in.o:(__ex_table+0xa):
> relocation truncated to fit: R_PPC64_ADDR16 against `.fixup'+18
>
> Rewrote the corresponding code with the support of 64bit building.
>
> Signed-off-by: Liu Gang <Gang.Liu@freescale.com>
> ---
> arch/powerpc/sysdev/fsl_rio.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/powerpc/sysdev/fsl_rio.c
> b/arch/powerpc/sysdev/fsl_rio.c index a4c4f4a..5b6f556 100644
> --- a/arch/powerpc/sysdev/fsl_rio.c
> +++ b/arch/powerpc/sysdev/fsl_rio.c
> @@ -66,8 +66,8 @@
> " li %0,%3\n" \
> " b 2b\n" \
> ".section __ex_table,\"a\"\n" \
> - " .align 2\n" \
> - " .long 1b,3b\n" \
> + PPC_LONG_ALIGN "\n" \
> + PPC_LONG "1b,3b\n" \
> ".text" \
> : "=r" (err), "=r" (x) \
> : "b" (addr), "i" (-EFAULT), "0" (err))
> --
> 1.7.0.4
>

Looks good to me. Ack-ed.



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