#include <linux/types.h>
#include <crypto/sha2.h>
#include <crypto/sha512_base.h>
+#include <asm/cpu_device_id.h>
#include <asm/simd.h>
asmlinkage void sha512_transform_ssse3(struct sha512_state *state,
ARRAY_SIZE(sha512_avx2_algs));
return 0;
}
+static const struct x86_cpu_id module_cpu_ids[] = {
+ X86_MATCH_FEATURE(X86_FEATURE_AVX2, NULL),
+ X86_MATCH_FEATURE(X86_FEATURE_AVX, NULL),
+ X86_MATCH_FEATURE(X86_FEATURE_SSSE3, NULL),
+ {}
+};
+MODULE_DEVICE_TABLE(x86cpu, module_cpu_ids);
static void unregister_sha512_avx2(void)
{
static int __init sha512_ssse3_mod_init(void)
{
+ if (!x86_match_cpu(module_cpu_ids))
+ return -ENODEV;
if (register_sha512_ssse3())
goto fail;