linux-kernel - [PATCH]: PVH: remove FEATURES

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Date:	Wed, 14 Nov 2012 18:19:33 -0800
From:	Mukesh Rathor <mukesh.rathor@...cle.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	"Xen-devel@...ts.xensource.com" <Xen-devel@...ts.xensource.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH]:  PVH: remove FEATURES_PVH macro

PVH: remove macro FEATURES_PVH and put PVH strings in the ELFNOTE line, because there's a null char before FEATURES_PVH and in the FEATURES_PVH strings since this is not C file

Signed-off-by: Mukesh Rathor <mukesh.rathor@...cle.com>
---
 arch/x86/xen/xen-head.S |   14 +++++---------
 1 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
index 1a6bca1..340fd4e 100644
--- a/arch/x86/xen/xen-head.S
+++ b/arch/x86/xen/xen-head.S
@@ -13,14 +13,6 @@
 #include <xen/interface/elfnote.h>
 #include <asm/xen/interface.h>
 
-#ifdef CONFIG_XEN_X86_PVH
-#define FEATURES_PVH "|writable_descriptor_tables" \
-		     "|auto_translated_physmap" \
-		     "|supervisor_mode_kernel" \
-		     "|hvm_callback_vector"
-#else
-#define FEATURES_PVH /* Not supported */
-#endif
 
 	__INIT
 ENTRY(startup_xen)
@@ -104,7 +96,11 @@ NEXT_HYPERCALL(arch_6)
 #endif
 	ELFNOTE(Xen, XEN_ELFNOTE_ENTRY,          _ASM_PTR startup_xen)
 	ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, _ASM_PTR hypercall_page)
-	ELFNOTE(Xen, XEN_ELFNOTE_FEATURES,       .asciz "!writable_page_tables|pae_pgdir_above_4gb"FEATURES_PVH)
+#ifdef CONFIG_XEN_X86_PVH
+        ELFNOTE(Xen, XEN_ELFNOTE_FEATURES,       .asciz "!writable_page_tables|pae_pgdir_above_4gb|writable_descriptor_tables|auto_translated_physmap|supervisor_mode_kernel|hvm_callback_vector")
+#else
+        ELFNOTE(Xen, XEN_ELFNOTE_FEATURES,       .asciz "!writable_page_tables|pae_pgdir_above_4gb")
+#endif
 	ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE,       .asciz "yes")
 	ELFNOTE(Xen, XEN_ELFNOTE_LOADER,         .asciz "generic")
 	ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID,
-- 
1.7.2.3

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