From patchwork Fri Oct 27 00:54:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oliver Upton X-Patchwork-Id: 13438020 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52FF2C25B67 for ; Fri, 27 Oct 2023 00:54:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232306AbjJ0Ay6 (ORCPT ); Thu, 26 Oct 2023 20:54:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38016 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229831AbjJ0Ay4 (ORCPT ); Thu, 26 Oct 2023 20:54:56 -0400 Received: from out-185.mta0.migadu.com (out-185.mta0.migadu.com [IPv6:2001:41d0:1004:224b::b9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A957D1B5 for ; Thu, 26 Oct 2023 17:54:54 -0700 (PDT) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1698368093; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=hG2LAfyctCoLtIjZzeKRYZw/nVIS+d0blJ9NshgUWD4=; b=vVzP0BLkHnaCFvF6jizyBwsKW1cp7K/9C9wBvrPcrCtmDL0mXqxcIsrWIBWAGsCvHx5qtR +ywor4Zee9qLAjxE6ZW0D7ofd2vX7gR7we5QYOwsC13o2nnjf5qfx+kSAvke04qQldIIqZ CQTyiOZOEx0M+AQkkrzUOG0mngaS0dM= From: Oliver Upton To: kvmarm@lists.linux.dev Cc: kvm@vger.kernel.org, Marc Zyngier , James Morse , Suzuki K Poulose , Zenghui Yu , Oliver Upton , Nina Schoetterl-Glausch Subject: [PATCH 2/2] KVM: selftests: Avoid using forced target for generating arm64 headers Date: Fri, 27 Oct 2023 00:54:39 +0000 Message-ID: <20231027005439.3142015-3-oliver.upton@linux.dev> In-Reply-To: <20231027005439.3142015-1-oliver.upton@linux.dev> References: <20231027005439.3142015-1-oliver.upton@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org The 'prepare' target that generates the arm64 sysreg headers had no prerequisites, so it wound up forcing a rebuild of all KVM selftests each invocation. Add a rule for the generated headers and just have dependents use that for a prerequisite. Reported-by: Nina Schoetterl-Glausch Fixes: 9697d84cc3b6 ("KVM: selftests: Generate sysreg-defs.h and add to include path") Signed-off-by: Oliver Upton Tested-by: Nina Schoetterl-Glausch --- tools/testing/selftests/kvm/Makefile | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile index 4f4f6ad025f4..4de096bbf124 100644 --- a/tools/testing/selftests/kvm/Makefile +++ b/tools/testing/selftests/kvm/Makefile @@ -22,10 +22,8 @@ arm64_tools_dir := $(top_srcdir)/tools/arch/arm64/tools/ GEN_HDRS := $(top_srcdir)/tools/arch/arm64/include/generated/ CFLAGS += -I$(GEN_HDRS) -prepare: +$(GEN_HDRS): $(wildcard $(arm64_tools_dir)/*) $(MAKE) -C $(arm64_tools_dir) -else -prepare: endif LIBKVM += lib/assert.c @@ -276,10 +274,10 @@ EXTRA_CLEAN += $(GEN_HDRS) \ cscope.* x := $(shell mkdir -p $(sort $(dir $(LIBKVM_C_OBJ) $(LIBKVM_S_OBJ)))) -$(LIBKVM_C_OBJ): $(OUTPUT)/%.o: %.c prepare +$(LIBKVM_C_OBJ): $(OUTPUT)/%.o: %.c $(GEN_HDRS) $(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c $< -o $@ -$(LIBKVM_S_OBJ): $(OUTPUT)/%.o: %.S prepare +$(LIBKVM_S_OBJ): $(OUTPUT)/%.o: %.S $(GEN_HDRS) $(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c $< -o $@ # Compile the string overrides as freestanding to prevent the compiler from @@ -289,9 +287,10 @@ $(LIBKVM_STRING_OBJ): $(OUTPUT)/%.o: %.c $(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c -ffreestanding $< -o $@ x := $(shell mkdir -p $(sort $(dir $(TEST_GEN_PROGS)))) +$(SPLIT_TESTS_OBJS): $(GEN_HDRS) $(TEST_GEN_PROGS): $(LIBKVM_OBJS) $(TEST_GEN_PROGS_EXTENDED): $(LIBKVM_OBJS) -$(TEST_GEN_OBJ): prepare +$(TEST_GEN_OBJ): $(GEN_HDRS) cscope: include_paths = $(LINUX_TOOL_INCLUDE) $(LINUX_HDR_PATH) include lib .. cscope: