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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>,
	keescook@chromium.org, Marc Zyngier <maz@kernel.org>,
	Masahiro Yamada <masahiroy@kernel.org>,
	samitolvanen@google.com, catalin.marinas@arm.com,
	will@kernel.org, kvmarm@lists.cs.columbia.edu,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH AUTOSEL 5.14 16/40] KVM: arm64: nvhe: Fix missing FORCE for hyp-reloc.S build rule
Date: Tue,  5 Oct 2021 09:49:55 -0400	[thread overview]
Message-ID: <20211005135020.214291-16-sashal@kernel.org> (raw)
In-Reply-To: <20211005135020.214291-1-sashal@kernel.org>

From: Zenghui Yu <yuzenghui@huawei.com>

[ Upstream commit a49b50a3c1c3226d26e1dd11e8b763f27e477623 ]

Add FORCE so that if_changed can detect the command line change.

We'll otherwise see a compilation warning since commit e1f86d7b4b2a
("kbuild: warn if FORCE is missing for if_changed(_dep,_rule) and
filechk").

arch/arm64/kvm/hyp/nvhe/Makefile:58: FORCE prerequisite is missing

Cc: David Brazdil <dbrazdil@google.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210907052137.1059-1-yuzenghui@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/kvm/hyp/nvhe/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kvm/hyp/nvhe/Makefile b/arch/arm64/kvm/hyp/nvhe/Makefile
index 5df6193fc430..8d741f71377f 100644
--- a/arch/arm64/kvm/hyp/nvhe/Makefile
+++ b/arch/arm64/kvm/hyp/nvhe/Makefile
@@ -54,7 +54,7 @@ $(obj)/kvm_nvhe.tmp.o: $(obj)/hyp.lds $(addprefix $(obj)/,$(hyp-obj)) FORCE
 #    runtime. Because the hypervisor is part of the kernel binary, relocations
 #    produce a kernel VA. We enumerate relocations targeting hyp at build time
 #    and convert the kernel VAs at those positions to hyp VAs.
-$(obj)/hyp-reloc.S: $(obj)/kvm_nvhe.tmp.o $(obj)/gen-hyprel
+$(obj)/hyp-reloc.S: $(obj)/kvm_nvhe.tmp.o $(obj)/gen-hyprel FORCE
 	$(call if_changed,hyprel)
 
 # 5) Compile hyp-reloc.S and link it into the existing partially linked object.
-- 
2.33.0

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           reply	other threads:[~2021-10-05 13:51 UTC|newest]

Thread overview: expand[flat|nested]  mbox.gz  Atom feed
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