linux-kernel - [PATCH 1/7] x86/asm/entry: Move entry_64.S and entry

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Date:	Wed,  3 Jun 2015 18:59:11 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	linux-kernel@...r.kernel.org
Cc:	Andy Lutomirski <luto@...capital.net>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	Brian Gerst <brgerst@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Borislav Petkov <bp@...en8.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 1/7] x86/asm/entry: Move entry_64.S and entry_32.S to arch/x86/entry/

Create a new directory hierarchy for the low level x86 entry code:

    arch/x86/entry/*

This will host all the low level glue that is currently scattered
all across arch/x86/.

Start with entry_64.S and entry_32.S.

Cc: Borislav Petkov <bp@...en8.de>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Andy Lutomirski <luto@...capital.net>
Cc: Denys Vlasenko <dvlasenk@...hat.com>
Cc: Brian Gerst <brgerst@...il.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/Kbuild                       | 3 +++
 arch/x86/entry/Makefile               | 4 ++++
 arch/x86/{kernel => entry}/entry_32.S | 0
 arch/x86/{kernel => entry}/entry_64.S | 0
 arch/x86/kernel/Makefile              | 2 +-
 5 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/arch/x86/Kbuild b/arch/x86/Kbuild
index 3942f74c92d7..b9b816277e72 100644
--- a/arch/x86/Kbuild
+++ b/arch/x86/Kbuild
@@ -1,3 +1,6 @@
+
+obj-y += entry/
+
 obj-$(CONFIG_KVM) += kvm/
 
 # Xen paravirtualization support
diff --git a/arch/x86/entry/Makefile b/arch/x86/entry/Makefile
new file mode 100644
index 000000000000..fa7e0cf6d3c4
--- /dev/null
+++ b/arch/x86/entry/Makefile
@@ -0,0 +1,4 @@
+#
+# Makefile for the x86 low level entry code
+#
+obj-y			:= entry_$(BITS).o
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/entry/entry_32.S
similarity index 100%
rename from arch/x86/kernel/entry_32.S
rename to arch/x86/entry/entry_32.S
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/entry/entry_64.S
similarity index 100%
rename from arch/x86/kernel/entry_64.S
rename to arch/x86/entry/entry_64.S
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 9bcd0b56ca17..9d3ee054453d 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -22,7 +22,7 @@ KASAN_SANITIZE_dumpstack_$(BITS).o := n
 
 CFLAGS_irq.o := -I$(src)/../include/asm/trace
 
-obj-y			:= process_$(BITS).o signal.o entry_$(BITS).o
+obj-y			:= process_$(BITS).o signal.o
 obj-y			+= traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o
 obj-y			+= time.o ioport.o ldt.o dumpstack.o nmi.o
 obj-y			+= setup.o x86_init.o i8259.o irqinit.o jump_label.o
-- 
2.1.4

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