[uml] fix some section warnings

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17524 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/uml/patches/004-fix_section_warning.patch

@@ -0,0 +1,47 @@
+When I compiled uml on x86_64, I got this warning:
+
+  MODPOST vmlinux.o
+WARNING: vmlinux.o (.__syscall_stub.2): unexpected non-allocatable section.
+Did you forget to use "ax"/"aw" in a .S file?
+Note that for example <linux/init.h> contains
+section definitions for use in .S files.
+
+Because modpost checks for missing SHF_ALLOC section flag. So just
+add it. :)
+
+Signed-off-by: WANG Cong <amwang@redhat.com>
+Cc: Jeff Dike <jdike@addtoit.com>
+Cc: Sam Ravnborg <sam@ravnborg.org>
+
+---
+diff --git a/arch/um/sys-x86_64/stub.S b/arch/um/sys-x86_64/stub.S
+index 6d9edf9..20e4a96 100644
+--- a/arch/um/sys-x86_64/stub.S
++++ b/arch/um/sys-x86_64/stub.S
+@@ -1,7 +1,7 @@
+ #include "as-layout.h"
+ 
+ 	.globl syscall_stub
+-.section .__syscall_stub, "x"
++.section .__syscall_stub, "ax"
+ syscall_stub:
+ 	syscall
+ 	/* We don't have 64-bit constants, so this constructs the address
+diff --git a/arch/um/sys-i386/stub.S b/arch/um/sys-i386/stub.S
+index c41b04b..54a36ec 100644
+--- a/arch/um/sys-i386/stub.S
++++ b/arch/um/sys-i386/stub.S
+@@ -1,7 +1,7 @@
+ #include "as-layout.h"
+ 
+ 	.globl syscall_stub
+-.section .__syscall_stub, "x"
++.section .__syscall_stub, "ax"
+ 
+ 	.globl batch_syscall_stub
+ batch_syscall_stub:
+--
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