[PATCH v2 9/9] x86: replace arch macros from compiler with CONFIG_X86_{32,64}

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If the intention is to check i386/x86_64 excluding UML,
checking CONFIG_X86_{32,64} is simpler.

The reason for checking __i386__ / __x86_64__ was perhaps because
lib/raid6/algos.c is built not only for the kernel but also for
testing the library code from userspace.

However, lib/raid6/test/Makefile passes -DCONFIG_X86_{32,64} for
this case. So, I do not see a reason to not use CONFIG option here.

Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
---

Changes in v2: None

 kernel/signal.c   | 2 +-
 lib/raid6/algos.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index 5b2396350dd1..db557e1629e5 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1246,7 +1246,7 @@ static void print_fatal_signal(int signr)
 	struct pt_regs *regs = signal_pt_regs();
 	pr_info("potentially unexpected fatal signal %d.\n", signr);
 
-#if defined(__i386__) && !defined(__arch_um__)
+#ifdef CONFIG_X86_32
 	pr_info("code at %08lx: ", regs->ip);
 	{
 		int i;
diff --git a/lib/raid6/algos.c b/lib/raid6/algos.c
index df08664d3432..b5a02326cfb7 100644
--- a/lib/raid6/algos.c
+++ b/lib/raid6/algos.c
@@ -29,7 +29,7 @@ struct raid6_calls raid6_call;
 EXPORT_SYMBOL_GPL(raid6_call);
 
 const struct raid6_calls * const raid6_algos[] = {
-#if defined(__i386__) && !defined(__arch_um__)
+#ifdef CONFIG_X86_32
 #ifdef CONFIG_AS_AVX512
 	&raid6_avx512x2,
 	&raid6_avx512x1,
@@ -45,7 +45,7 @@ const struct raid6_calls * const raid6_algos[] = {
 	&raid6_mmxx2,
 	&raid6_mmxx1,
 #endif
-#if defined(__x86_64__) && !defined(__arch_um__)
+#ifdef CONFIG_X86_64
 #ifdef CONFIG_AS_AVX512
 	&raid6_avx512x4,
 	&raid6_avx512x2,
-- 
2.17.1




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