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raid6: skip avx512 checks

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It is no longer necessary to check for CONFIG_AS_AVX512, since the minimum
assembler version is now from binutils-2.30 and this always supports it.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann
2025-04-30 21:53:48 +02:00
parent 118c40b7b5
commit 5f5305dea0
4 changed files with 0 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/raid6/algos.c
-6
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@@ -28,10 +28,8 @@ EXPORT_SYMBOL_GPL(raid6_call);
const struct raid6_calls * const raid6_algos[] = { const struct raid6_calls * const raid6_algos[] = {
#if defined(__i386__) && !defined(__arch_um__) #if defined(__i386__) && !defined(__arch_um__)
#ifdef CONFIG_AS_AVX512
&raid6_avx512x2, &raid6_avx512x2,
&raid6_avx512x1, &raid6_avx512x1,
#endif
&raid6_avx2x2, &raid6_avx2x2,
&raid6_avx2x1, &raid6_avx2x1,
&raid6_sse2x2, &raid6_sse2x2,
@@ -42,11 +40,9 @@ const struct raid6_calls * const raid6_algos[] = {
&raid6_mmxx1, &raid6_mmxx1,
#endif #endif
#if defined(__x86_64__) && !defined(__arch_um__) #if defined(__x86_64__) && !defined(__arch_um__)
#ifdef CONFIG_AS_AVX512
&raid6_avx512x4, &raid6_avx512x4,
&raid6_avx512x2, &raid6_avx512x2,
&raid6_avx512x1, &raid6_avx512x1,
#endif
&raid6_avx2x4, &raid6_avx2x4,
&raid6_avx2x2, &raid6_avx2x2,
&raid6_avx2x1, &raid6_avx2x1,
@@ -96,9 +92,7 @@ EXPORT_SYMBOL_GPL(raid6_datap_recov);
const struct raid6_recov_calls *const raid6_recov_algos[] = { const struct raid6_recov_calls *const raid6_recov_algos[] = {
#ifdef CONFIG_X86 #ifdef CONFIG_X86
#ifdef CONFIG_AS_AVX512
&raid6_recov_avx512, &raid6_recov_avx512,
#endif
&raid6_recov_avx2, &raid6_recov_avx2,
&raid6_recov_ssse3, &raid6_recov_ssse3,
#endif #endif
lib/raid6/avx512.c
-4
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@@ -17,8 +17,6 @@
* *
*/ */
#ifdef CONFIG_AS_AVX512
#include <linux/raid/pq.h> #include <linux/raid/pq.h>
#include "x86.h" #include "x86.h"
@@ -560,5 +558,3 @@ const struct raid6_calls raid6_avx512x4 = {
.priority = 2 /* Prefer AVX512 over priority 1 (SSE2 and others) */ .priority = 2 /* Prefer AVX512 over priority 1 (SSE2 and others) */
}; };
#endif #endif
#endif /* CONFIG_AS_AVX512 */
lib/raid6/recov_avx512.c
-6
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@@ -6,8 +6,6 @@
* Author: Megha Dey <megha.dey@linux.intel.com> * Author: Megha Dey <megha.dey@linux.intel.com>
*/ */
#ifdef CONFIG_AS_AVX512
#include <linux/raid/pq.h> #include <linux/raid/pq.h>
#include "x86.h" #include "x86.h"
@@ -377,7 +375,3 @@ const struct raid6_recov_calls raid6_recov_avx512 = {
#endif #endif
.priority = 3, .priority = 3,
}; };
#else
#warning "your version of binutils lacks AVX512 support"
#endif
lib/raid6/test/Makefile
-3
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@@ -54,9 +54,6 @@ endif
ifeq ($(IS_X86),yes) ifeq ($(IS_X86),yes)
OBJS += mmx.o sse1.o sse2.o avx2.o recov_ssse3.o recov_avx2.o avx512.o recov_avx512.o OBJS += mmx.o sse1.o sse2.o avx2.o recov_ssse3.o recov_avx2.o avx512.o recov_avx512.o
CFLAGS += -DCONFIG_X86 CFLAGS += -DCONFIG_X86
CFLAGS += $(shell echo "vpmovm2b %k1, %zmm5" | \
gcc -c -x assembler - >/dev/null 2>&1 && \
rm ./-.o && echo -DCONFIG_AS_AVX512=1)
else ifeq ($(HAS_NEON),yes) else ifeq ($(HAS_NEON),yes)
OBJS += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o OBJS += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o
CFLAGS += -DCONFIG_KERNEL_MODE_NEON=1 CFLAGS += -DCONFIG_KERNEL_MODE_NEON=1