Make the module autoloadable by tying it to the CPU feature bits that describe whether the optional instructions it relies on are implemented by the current CPU. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> --- arch/arm/crypto/crc32-ce-glue.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/crypto/crc32-ce-glue.c b/arch/arm/crypto/crc32-ce-glue.c index e1566bec1016..1b0e0e86ee9c 100644 --- a/arch/arm/crypto/crc32-ce-glue.c +++ b/arch/arm/crypto/crc32-ce-glue.c @@ -8,6 +8,7 @@ * published by the Free Software Foundation. */ +#include <linux/cpufeature.h> #include <linux/crc32.h> #include <linux/init.h> #include <linux/kernel.h> @@ -233,6 +234,11 @@ static void __exit crc32_pmull_mod_exit(void) ARRAY_SIZE(crc32_pmull_algs)); } +static const struct cpu_feature crc32_cpu_feature[] = { + { cpu_feature(CRC32) }, { cpu_feature(PMULL) }, { } +}; +MODULE_DEVICE_TABLE(cpu, crc32_cpu_feature); + module_init(crc32_pmull_mod_init); module_exit(crc32_pmull_mod_exit); -- 2.7.4