[PATCH 1/1] cr: define CKPT_ARCH_NSIG for s390

["Serge E. Hallyn" <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>]

Better?

From 5cb3dae3611cf9cf86ff9616dac7c36de8b812d1 Mon Sep 17 00:00:00 2001
From: Serge E. Hallyn <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Date: Fri, 26 Jun 2009 15:06:43 -0400
Subject: [PATCH 1/1] cr: define CKPT_ARCH_NSIG for s390

Also add a check for x86 and s390 in the hopes of catching any
changes to NSIG which don't update CKPT_ARCH_NSIG.

Signed-off-by: Serge E. Hallyn <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
---
 arch/s390/include/asm/checkpoint_hdr.h |    8 ++++++++
 arch/x86/include/asm/checkpoint_hdr.h  |    6 ++++++
 2 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/arch/s390/include/asm/checkpoint_hdr.h b/arch/s390/include/asm/checkpoint_hdr.h
index fc0ace8..264a42c 100644
--- a/arch/s390/include/asm/checkpoint_hdr.h
+++ b/arch/s390/include/asm/checkpoint_hdr.h
@@ -79,6 +79,14 @@ struct ckpt_hdr_mm_context {
 	unsigned long asce_limit;
 };
 
+#define CKPT_ARCH_NSIG  64
+#ifdef __KERNEL__
+#include <asm/signal.h>
+#if CKPT_ARCH_NSIG != _SIGCONTEXT_NSIG
+#error CKPT_ARCH_NSIG size is wrong (asm/sigcontext.h and asm/checkpoint_hdr.h)
+#endif
+#endif
+
 struct ckpt_hdr_header_arch {
 	struct ckpt_hdr h;
 };
diff --git a/arch/x86/include/asm/checkpoint_hdr.h b/arch/x86/include/asm/checkpoint_hdr.h
index 745038b..21fb072 100644
--- a/arch/x86/include/asm/checkpoint_hdr.h
+++ b/arch/x86/include/asm/checkpoint_hdr.h
@@ -45,6 +45,12 @@ enum {
 };
 
 #define CKPT_ARCH_NSIG  64
+#ifdef __KERNEL__
+#include <asm/signal.h>
+#if CKPT_ARCH_NSIG != NSIG
+#error CKPT_ARCH_NSIG size is wrong per asm/signal.h and asm/checkpoint_hdr.h
+#endif
+#endif
 
 struct ckpt_hdr_header_arch {
 	struct ckpt_hdr h;
-- 
1.6.1