linux-kernel - [tip:x86/asm] x86/build/vdso: Add FORCE to the build rule of %.so

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Date:   Thu, 18 Apr 2019 01:10:13 -0700
From:   tip-bot for Masahiro Yamada <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     tglx@...utronix.de, torvalds@...ux-foundation.org, bp@...en8.de,
        peterz@...radead.org, linux-kernel@...r.kernel.org, hpa@...or.com,
        mingo@...nel.org, luto@...nel.org, yamada.masahiro@...ionext.com
Subject: [tip:x86/asm] x86/build/vdso: Add FORCE to the build rule of %.so

Commit-ID:  3c454f47e67bf5a65dc892cd50221a7de695870f
Gitweb:     https://git.kernel.org/tip/3c454f47e67bf5a65dc892cd50221a7de695870f
Author:     Masahiro Yamada <yamada.masahiro@...ionext.com>
AuthorDate: Wed, 3 Apr 2019 17:30:12 +0900
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Thu, 18 Apr 2019 10:05:34 +0200

x86/build/vdso: Add FORCE to the build rule of %.so

$(call if_changed,...) must have FORCE as a prerequisite.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc: Andy Lutomirski <luto@...nel.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/1554280212-10578-1-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/entry/vdso/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index 5bfe2243a08f..42fe42e82baf 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -116,7 +116,7 @@ $(obj)/%-x32.o: $(obj)/%.o FORCE
 targets += vdsox32.lds $(vobjx32s-y)
 
 $(obj)/%.so: OBJCOPYFLAGS := -S
-$(obj)/%.so: $(obj)/%.so.dbg
+$(obj)/%.so: $(obj)/%.so.dbg FORCE
 	$(call if_changed,objcopy)
 
 $(obj)/vdsox32.so.dbg: $(obj)/vdsox32.lds $(vobjx32s) FORCE