linux-kernel - Re: [PATCH 2/2] x86,vdso: Fix vdso

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Message-ID: <20140611191609.GA16069@ravnborg.org>
Date:	Wed, 11 Jun 2014 21:16:09 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	Josh Boyer <jwboyer@...oraproject.org>,
	"H. Peter Anvin" <hpa@...or.com>, Michal Marek <mmarek@...e.cz>,
	"linux-kbuild@...r.kernel.org" <linux-kbuild@...r.kernel.org>,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] x86,vdso: Fix vdso_install

> >
> > Can we please fix this in a way where we do not need to add stuff to core kbuild.
> > If the original approach was used then make took care of the looping
> > and the foreach part was not needed.
Following is my first quick approach.
It reuses the old - a little complex logic to do the looping and copying.
Thsi is only tested on my i386 box / build.

	Sam


diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
index 9769df0..39fb152 100644
--- a/arch/x86/vdso/Makefile
+++ b/arch/x86/vdso/Makefile
@@ -9,11 +9,6 @@ VDSOX32-$(CONFIG_X86_X32_ABI)	:= y
 VDSO32-$(CONFIG_X86_32)		:= y
 VDSO32-$(CONFIG_COMPAT)		:= y
 
-vdso-install-$(VDSO64-y)	+= vdso.so
-vdso-install-$(VDSOX32-y)	+= vdsox32.so
-vdso-install-$(VDSO32-y)	+= $(vdso32-images)
-
-
 # files to link into the vdso
 vobjs-y := vdso-note.o vclock_gettime.o vgetcpu.o
 
@@ -179,12 +174,12 @@ GCOV_PROFILE := n
 # Install the unstripped copy of vdso*.so listed in $(vdso-install-y).
 #
 quiet_cmd_vdso_install = INSTALL $@
-      cmd_vdso_install = cp $(obj)/$@...g $(MODLIB)/vdso/$@
-$(vdso-install-y): %.so: $(obj)/%.so.dbg FORCE
+      cmd_vdso_install = cp $(obj)/$@ $(MODLIB)/vdso/$(@:.dbg=)
+$(vdso_img_sodbg): %.so.dbg: $(obj)/%.so.dbg FORCE
 	@mkdir -p $(MODLIB)/vdso
 	$(call cmd,vdso_install)
 
-PHONY += vdso_install $(vdso-install-y)
-vdso_install: $(vdso-install-y)
+PHONY += vdso_install $(vdso_img_sodbg)
+vdso_install: $(vdso_img_sodbg)
 
 clean-files := vdso32-syscall* vdso32-sysenter* vdso32-int80*

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