On Fri, 31 May 2013, Catalin Marinas wrote:

On Thu, May 30, 2013 at 05:18:29PM +0100, Stefano Stabellini wrote:

quoted

Signed-off-by: Stefano Stabellini <redacted>
---
 arch/arm/include/asm/xen/events.h |    4 ++++
 arch/arm/include/asm/xen/page.h   |    2 ++
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/arch/arm/include/asm/xen/events.h b/arch/arm/include/asm/xen/events.h
index 8b1f37b..12e4e0b 100644
--- a/arch/arm/include/asm/xen/events.h
+++ b/arch/arm/include/asm/xen/events.h

@@ -13,7 +13,11 @@ enum ipi_vector {
 
 static inline int xen_irqs_disabled(struct pt_regs *regs)
 {
+#ifdef CONFIG_ARM
 	return raw_irqs_disabled_flags(regs->ARM_cpsr);
+#else
+	return raw_irqs_disabled_flags((unsigned long) regs->pstate);
+#endif
 }

At least for this part, it makes sense to live in the arch/arm64
directory.

Yes, good idea, there isn't much else in that header file anyway.

quoted

 #define xchg_xen_ulong(ptr, val) atomic64_xchg(container_of((ptr),	\

diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h
index 30cdacb..cb2fa15 100644
--- a/arch/arm/include/asm/xen/page.h
+++ b/arch/arm/include/asm/xen/page.h

@@ -1,7 +1,9 @@
 #ifndef _ASM_ARM_XEN_PAGE_H
 #define _ASM_ARM_XEN_PAGE_H
 
+#ifdef ARM
 #include <asm/mach/map.h>
+#endif
 #include <asm/page.h>
 #include <asm/pgtable.h>

Is there anything ARM-specific in this file?

The only ARM-specific stuff here is the definition of xen_remap, like
you have spotted in the other email. The inclusion of asm/mach/map.h is
needed because it containes the definition of MT_MEMORY.