RFC powerpc: relative exception tables, and build-time sort
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Cover letter [PATCH 0/3][RFC] powerpc: relative exception tables, and build-time sort
This implements relative exception tables for powerpc, and converts it to use build-time sorting. I've tested 64s only so far, but 32-bit seems to build. Will obviously require some more testing and reviews.
Thanks,
Nick
Nicholas Piggin (3):
powerpc: EX_TABLE macro for exception tables
powerpc: relative exception tables
powerpc: build-time sort exception table
arch/powerpc/Kconfig | 1 + arch/powerpc/include/asm/futex.h | 14 +- arch/powerpc/include/asm/io.h | 18 +- arch/powerpc/include/asm/linkage.h | 22 ++ arch/powerpc/include/asm/module.h | 4 - arch/powerpc/include/asm/uaccess.h | 51 ++-- arch/powerpc/include/asm/word-at-a-time.h | 5 +- arch/powerpc/kernel/kprobes.c | 2 +- arch/powerpc/kernel/traps.c | 2 +- arch/powerpc/lib/checksum_32.S | 47 ++-- arch/powerpc/lib/checksum_64.S | 20 +- arch/powerpc/lib/copy_32.S | 56 ++--- arch/powerpc/lib/copyuser_64.S | 271 +++++++++++----------- arch/powerpc/lib/copyuser_power7.S | 21 +- arch/powerpc/lib/ldstfp.S | 25 +- arch/powerpc/lib/sstep.c | 15 +- arch/powerpc/lib/string.S | 11 +- arch/powerpc/lib/string_64.S | 16 +- arch/powerpc/mm/fault.c | 2 +- arch/powerpc/platforms/embedded6xx/holly.c | 2 +- arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c | 2 +- arch/powerpc/sysdev/fsl_rio.c | 7 +- arch/powerpc/sysdev/tsi108_pci.c | 5 +- scripts/sortextable.c | 2 + 24 files changed, 274 insertions(+), 347 deletions(-)
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