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CONFIG_AS_SSSE3 was introduced by commit 75aaf4c3e6a4 ("x86/raid6:
correctly check for assembler capabilities").
We raise the minimal supported binutils version from time to time.
The last bump was commit 1fb12b35e5ff ("kbuild: Raise the minimum
required binutils version to 2.21").
I confirmed the code in $(call as-instr,...) can be assembled by the
binutils 2.21 assembler and also by LLVM integrated assembler.
Remove CONFIG_AS_SSSE3, which is always defined.
I added ifdef CONFIG_X86 to lib/raid6/algos.c to avoid link errors
on non-x86 architectures.
lib/raid6/algos.c is built not only for the kernel but also for
testing the library code from userspace. I added -DCONFIG_X86 to
lib/raid6/test/Makefile to cator to this usecase.
Signed-off-by: Masahiro Yamada <[email protected]>
Reviewed-by: Jason A. Donenfeld <[email protected]>
Reviewed-by: Nick Desaulniers <[email protected]>
Acked-by: Ingo Molnar <[email protected]>
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation version 2 of the license
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 315 file(s).
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Allison Randal <[email protected]>
Reviewed-by: Armijn Hemel <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Just like for AVX2 (which simply needs an #if -> #ifdef conversion),
SSSE3 assembler support should be checked for before using it.
Signed-off-by: Jan Beulich <[email protected]>
Cc: Jim Kukunas <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Signed-off-by: NeilBrown <[email protected]>
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sse and avx2 stuff only exist on x86 arch, and we don't need to build
altivec on x86. And we can do that at lib/raid6/Makefile.
Proposed-by: H. Peter Anvin <[email protected]>
Signed-off-by: Yuanhan Liu <[email protected]>
Reviewed-by: H. Peter Anvin <[email protected]>
Signed-off-by: Jim Kukunas <[email protected]>
Signed-off-by: NeilBrown <[email protected]>
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Make the recovery functions static to fix the following sparse warnings:
lib/raid6/recov.c:25:6: warning: symbol 'raid6_2data_recov_intx1' was
not declared. Should it be static?
lib/raid6/recov.c:69:6: warning: symbol 'raid6_datap_recov_intx1' was
not declared. Should it be static?
lib/raid6/recov_ssse3.c:22:6: warning: symbol 'raid6_2data_recov_ssse3'
was not declared. Should it be static?
lib/raid6/recov_ssse3.c:197:6: warning: symbol 'raid6_datap_recov_ssse3'
was not declared. Should it be static?
Reported-by: Fengguang Wu <[email protected]>
Signed-off-by: Jim Kukunas <[email protected]>
Signed-off-by: NeilBrown <[email protected]>
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Add SSSE3 optimized recovery functions, as well as a system
for selecting the most appropriate recovery functions to use.
Originally-by: H. Peter Anvin <[email protected]>
Signed-off-by: Jim Kukunas <[email protected]>
Signed-off-by: NeilBrown <[email protected]>
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