Merge pull request #3588 from a16bitsysop/hyperscan

[Feature] allow hyperscan for aarch64

cmake/Hyperscan.cmake

@@ -1,9 +1,6 @@
 option (ENABLE_HYPERSCAN    "Enable hyperscan for fast regexp processing [default: OFF]" OFF)
 
 if (ENABLE_HYPERSCAN MATCHES "ON")
-    if (NOT ("${ARCH}" STREQUAL "x86_64" OR "${ARCH}" STREQUAL "i386"))
-        MESSAGE(FATAL_ERROR "Hyperscan is supported only on x86_64/i386 architectures")
-    endif ()
     ProcessPackage (HYPERSCAN LIBRARY hs INCLUDE hs.h INCLUDE_SUFFIXES
             hs include/hs
             ROOT ${HYPERSCAN_ROOT_DIR} MODULES libhs)
@@ -16,4 +13,4 @@ if (ENABLE_HYPERSCAN MATCHES "ON")
             set (USE_CXX_LINKER 1)
         endif ()
     endif ()
-endif ()
+endif ()

src/hs_helper.c

@@ -254,11 +254,13 @@ static gboolean
 rspamd_rs_compile (struct hs_helper_ctx *ctx, struct rspamd_worker *worker,
 		gboolean forced)
 {
+#ifndef __aarch64__
 	if (!(ctx->cfg->libs_ctx->crypto_ctx->cpu_config & CPUID_SSSE3)) {
 		msg_warn ("CPU doesn't have SSSE3 instructions set "
 				"required for hyperscan, disable hyperscan compilation");
 		return FALSE;
 	}
+#endif
 
 	if (!rspamd_hs_helper_cleanup_dir (ctx, forced)) {
 		msg_warn ("cannot cleanup cache dir '%s'", ctx->hs_dir);

src/libserver/cfg_utils.c

@@ -816,7 +816,7 @@ rspamd_config_post_load (struct rspamd_config *cfg,
 	rspamd_regexp_library_init (cfg);
 	rspamd_multipattern_library_init (cfg->hs_cache_dir);
 
-#ifdef WITH_HYPERSCAN
+#if defined(WITH_HYPERSCAN) && !defined(__aarch64__)
 	if (!cfg->disable_hyperscan) {
 		if (!(cfg->libs_ctx->crypto_ctx->cpu_config & CPUID_SSSE3)) {
 			msg_warn_config ("CPU doesn't have SSSE3 instructions set "

src/libserver/maps/map_helpers.c

@@ -1280,11 +1280,13 @@ rspamd_re_map_finalize (struct rspamd_regexp_map_helper *re_map)
 
 	map = re_map->map;
 
+#ifndef __aarch64__
 	if (!(map->cfg->libs_ctx->crypto_ctx->cpu_config & CPUID_SSSE3)) {
 		msg_info_map ("disable hyperscan for map %s, ssse3 instructons are not supported by CPU",
 				map->name);
 		return;
 	}
+#endif
 
 	if (hs_populate_platform (&plt) != HS_SUCCESS) {
 		msg_err_map ("cannot populate hyperscan platform");
@@ -1940,4 +1942,4 @@ rspamd_match_cdb_map (struct rspamd_cdb_map_helper *map,
 	}
 
 	return NULL;
-}
+}