linux-kernel - [PATCH v2 11/11] x86: Add Xen kexec control code size check to linker script

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Message-Id: <1353423893-23125-12-git-send-email-daniel.kiper@oracle.com>
Date:	Tue, 20 Nov 2012 16:04:53 +0100
From:	Daniel Kiper <daniel.kiper@...cle.com>
To:	andrew.cooper3@...rix.com, ebiederm@...ssion.com, hpa@...or.com,
	jbeulich@...e.com, konrad.wilk@...cle.com, mingo@...hat.com,
	tglx@...utronix.de, x86@...nel.org, kexec@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org,
	xen-devel@...ts.xensource.com
Cc:	Daniel Kiper <daniel.kiper@...cle.com>
Subject: [PATCH v2 11/11] x86: Add Xen kexec control code size check to linker script

Add Xen kexec control code size check to linker script.

Signed-off-by: Daniel Kiper <daniel.kiper@...cle.com>
---
 arch/x86/kernel/vmlinux.lds.S |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 22a1530..f18786a 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -360,5 +360,10 @@ INIT_PER_CPU(irq_stack_union);
 
 . = ASSERT(kexec_control_code_size <= KEXEC_CONTROL_CODE_MAX_SIZE,
            "kexec control code size is too big");
-#endif
 
+#ifdef CONFIG_XEN
+. = ASSERT(xen_kexec_control_code_size - xen_relocate_kernel <=
+		KEXEC_CONTROL_CODE_MAX_SIZE,
+		"Xen kexec control code size is too big");
+#endif
+#endif
-- 
1.5.6.5

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