[PATCH 7/7] x86/asm/entry: Move the vsyscall code to arch/x86/entry/vsyscall/

Ingo Molnar
2015-06-03T17:01:40Z

The vsyscall code is entry code too, so move it to arch/x86/entry/vsyscall/.

Cc: Borislav Petkov <bp@alien8.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/entry/Makefile | 6 ++++--
arch/x86/{kernel => entry}/syscall_32.c | 0
arch/x86/{kernel => entry}/syscall_64.c | 0
arch/x86/entry/vsyscall/Makefile | 7 +++++++
arch/x86/{kernel => entry/vsyscall}/vsyscall_64.c | 0
arch/x86/{kernel => entry/vsyscall}/vsyscall_emu_64.S | 0
arch/x86/{kernel => entry/vsyscall}/vsyscall_gtod.c | 0
arch/x86/{kernel => entry/vsyscall}/vsyscall_trace.h | 2 +-
arch/x86/kernel/Makefile | 3 ---
9 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/arch/x86/entry/Makefile b/arch/x86/entry/Makefile
index 9df72c8a0ac2..b93cce1c6bb2 100644
--- a/arch/x86/entry/Makefile
+++ b/arch/x86/entry/Makefile
@@ -1,8 +1,10 @@
#
# Makefile for the x86 low level entry code
#
-obj-y := entry_$(BITS).o thunk_$(BITS).o
+obj-y := entry_$(BITS).o thunk_$(BITS).o syscall_$(BITS).o
+
obj-y += vdso/
+obj-y += vsyscall/

-obj-$(CONFIG_IA32_EMULATION) += ia32entry.o
+obj-$(CONFIG_IA32_EMULATION) += ia32entry.o syscall_32.o

diff --git a/arch/x86/kernel/syscall_32.c b/arch/x86/entry/syscall_32.c
similarity index 100%
rename from arch/x86/kernel/syscall_32.c
rename to arch/x86/entry/syscall_32.c
diff --git a/arch/x86/kernel/syscall_64.c b/arch/x86/entry/syscall_64.c
similarity index 100%
rename from arch/x86/kernel/syscall_64.c
rename to arch/x86/entry/syscall_64.c
diff --git a/arch/x86/entry/vsyscall/Makefile b/arch/x86/entry/vsyscall/Makefile
new file mode 100644
index 000000000000..a9f4856f622a
--- /dev/null
+++ b/arch/x86/entry/vsyscall/Makefile
@@ -0,0 +1,7 @@
+#
+# Makefile for the x86 low level vsyscall code
+#
+obj-y := vsyscall_gtod.o
+
+obj-$(CONFIG_X86_VSYSCALL_EMULATION) += vsyscall_64.o vsyscall_emu_64.o
+
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c
similarity index 100%
rename from arch/x86/kernel/vsyscall_64.c
rename to arch/x86/entry/vsyscall/vsyscall_64.c
diff --git a/arch/x86/kernel/vsyscall_emu_64.S b/arch/x86/entry/vsyscall/vsyscall_emu_64.S
similarity index 100%
rename from arch/x86/kernel/vsyscall_emu_64.S
rename to arch/x86/entry/vsyscall/vsyscall_emu_64.S
diff --git a/arch/x86/kernel/vsyscall_gtod.c b/arch/x86/entry/vsyscall/vsyscall_gtod.c
similarity index 100%
rename from arch/x86/kernel/vsyscall_gtod.c
rename to arch/x86/entry/vsyscall/vsyscall_gtod.c
diff --git a/arch/x86/kernel/vsyscall_trace.h b/arch/x86/entry/vsyscall/vsyscall_trace.h
similarity index 89%
rename from arch/x86/kernel/vsyscall_trace.h
rename to arch/x86/entry/vsyscall/vsyscall_trace.h
index a8b2edec54fe..9dd7359a38a8 100644
--- a/arch/x86/kernel/vsyscall_trace.h
+++ b/arch/x86/entry/vsyscall/vsyscall_trace.h
@@ -24,6 +24,6 @@ TRACE_EVENT(emulate_vsyscall,
#endif

#undef TRACE_INCLUDE_PATH
-#define TRACE_INCLUDE_PATH ../../arch/x86/kernel
+#define TRACE_INCLUDE_PATH ../../arch/x86/entry/vsyscall/
#define TRACE_INCLUDE_FILE vsyscall_trace
#include <trace/define_trace.h>
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 9d3ee054453d..01663ee5f1b7 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -31,9 +31,6 @@ obj-y += probe_roms.o
obj-$(CONFIG_X86_32) += i386_ksyms_32.o
obj-$(CONFIG_X86_64) += sys_x86_64.o x8664_ksyms_64.o
obj-$(CONFIG_X86_64) += mcount_64.o
-obj-y += syscall_$(BITS).o vsyscall_gtod.o
-obj-$(CONFIG_IA32_EMULATION) += syscall_32.o
-obj-$(CONFIG_X86_VSYSCALL_EMULATION) += vsyscall_64.o vsyscall_emu_64.o
obj-$(CONFIG_X86_ESPFIX64) += espfix_64.o
obj-$(CONFIG_SYSFS) += ksysfs.o
obj-y += bootflag.o e820.o
--
2.1.4