linux-kernel - [PATCH] uml: fix a section warning

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Message-Id: <20090508084349.6229.72810.sendpatchset@localhost.localdomain>
Date:	Fri, 8 May 2009 04:42:53 -0400
From:	Amerigo Wang <amwang@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	jdike@...toit.com, sam@...nborg.org,
	Amerigo Wang <amwang@...hat.com>,
	user-mode-linux-devel@...ts.sourceforge.net
Subject: [PATCH] uml: fix a section warning


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@...hat.com>
Cc: Jeff Dike <jdike@...toit.com>
Cc: Sam Ravnborg <sam@...nborg.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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