x86-64, ia32: Move compat_ni_syscall into C and its own file

Move compat_ni_syscall out of ia32entry.S and into its own .c file.
Although this is a trivial function, it is not performance-critical,
and this will simplify further cleanups.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

diff --git a/arch/x86/ia32/Makefile b/arch/x86/ia32/Makefile
index 52d0ccfcf6eafbc84fe0d66270b165b34101639d..eea9a1c77d3863811a5faaae091d5fe931358a83 100644 (file)
--- a/arch/x86/ia32/Makefile
+++ b/arch/x86/ia32/Makefile
@@ -3,6 +3,7 @@
 #
 
 obj-$(CONFIG_IA32_EMULATION) := ia32entry.o sys_ia32.o ia32_signal.o
+obj-$(CONFIG_IA32_EMULATION) += nosyscall.o
 
 sysv-$(CONFIG_SYSVIPC) := ipc32.o
 obj-$(CONFIG_IA32_EMULATION) += $(sysv-y)

diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index a6253ec1b28461e12d6f650683c6d05c99a7a7cc..59538a7776954a046ceab7df5587c0aed4f76acd 100644 (file)
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -453,9 +453,6 @@ ia32_badsys:
        movq $-ENOSYS,%rax
        jmp ia32_sysret
 
-quiet_ni_syscall:
-       movq $-ENOSYS,%rax
-       ret
        CFI_ENDPROC
        
        .macro PTREGSCALL label, func, arg

diff --git a/arch/x86/ia32/nosyscall.c b/arch/x86/ia32/nosyscall.c
new file mode 100644 (file)
index 0000000..51ecd5b
--- /dev/null
+++ b/arch/x86/ia32/nosyscall.c
@@ -0,0 +1,7 @@
+#include <linux/kernel.h>
+#include <linux/errno.h>
+
+long compat_ni_syscall(void)
+{
+       return -ENOSYS;
+}