1 files changed, 10 insertions, 0 deletions

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 6563366bae80..b901b590635f 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -324,9 +324,19 @@ config CRYPTO_CRC32C
           by iSCSI for header and data digests and by others.
           See Castagnoli93.  Module will be crc32c.
 
+config CRYPTO_CRC32C_X86_64
+        bool
+        depends on X86 && 64BIT
+        select CRYPTO_HASH
+        help
+          In Intel processor with SSE4.2 supported, the processor will
+          support CRC32C calculation using hardware accelerated CRC32
+          instruction optimized with PCLMULQDQ instruction when available.
+
 config CRYPTO_CRC32C_INTEL
         tristate "CRC32c INTEL hardware acceleration"
         depends on X86
+        select CRYPTO_CRC32C_X86_64 if 64BIT
         select CRYPTO_HASH
         help
           In Intel processor with SSE4.2 supported, the processor will