linux-kernel - [PATCH 07/10] UAPI: Put a comment into uapi/asm-generic/kvm

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Date:	Wed, 17 Oct 2012 15:16:13 +0100
From:	David Howells <dhowells@...hat.com>
To:	torvalds@...l.org
Cc:	dhowells@...hat.com, linux-kernel@...r.kernel.org,
	David Howells <dhowells@...hat.com>,
	Arnd Bergmann <arnd@...db.de>, Avi Kivity <avi@...hat.com>,
	Marcelo Tosatti <mtosatti@...hat.com>, kvm@...r.kernel.org
Subject: [PATCH 07/10] UAPI: Put a comment into uapi/asm-generic/kvm_para.h
 and use it from arches

Make uapi/asm-generic/kvm_para.h non-empty by addition of a comment to stop
the patch program from deleting it when it creates it.

Then delete empty arch-specific uapi/asm/kvm_para.h files and tell the Kbuild
files to use the generic instead.

Should this perhaps instead be a #warning or #error that the facility is
unsupported on this arch?

Signed-off-by: David Howells <dhowells@...hat.com>
cc: Arnd Bergmann <arnd@...db.de>
cc: Avi Kivity <avi@...hat.com>
cc: Marcelo Tosatti <mtosatti@...hat.com>
cc: kvm@...r.kernel.org
---

 arch/ia64/include/uapi/asm/Kbuild     |    2 ++
 arch/ia64/include/uapi/asm/kvm_para.h |    0 
 arch/s390/include/uapi/asm/Kbuild     |    2 ++
 arch/s390/include/uapi/asm/kvm_para.h |    0 
 include/uapi/asm-generic/kvm_para.h   |    4 ++++
 5 files changed, 8 insertions(+)
 delete mode 100644 arch/ia64/include/uapi/asm/kvm_para.h
 delete mode 100644 arch/s390/include/uapi/asm/kvm_para.h

diff --git a/arch/ia64/include/uapi/asm/Kbuild b/arch/ia64/include/uapi/asm/Kbuild
index 30cafac..1b3f5eb 100644
--- a/arch/ia64/include/uapi/asm/Kbuild
+++ b/arch/ia64/include/uapi/asm/Kbuild
@@ -1,6 +1,8 @@
 # UAPI Header export list
 include include/uapi/asm-generic/Kbuild.asm
 
+generic-y += kvm_para.h
+
 header-y += auxvec.h
 header-y += bitsperlong.h
 header-y += break.h
diff --git a/arch/ia64/include/uapi/asm/kvm_para.h b/arch/ia64/include/uapi/asm/kvm_para.h
deleted file mode 100644
index e69de29..0000000
diff --git a/arch/s390/include/uapi/asm/Kbuild b/arch/s390/include/uapi/asm/Kbuild
index 7bf68ff..59b67ed 100644
--- a/arch/s390/include/uapi/asm/Kbuild
+++ b/arch/s390/include/uapi/asm/Kbuild
@@ -1,6 +1,8 @@
 # UAPI Header export list
 include include/uapi/asm-generic/Kbuild.asm
 
+generic-y += kvm_para.h
+
 header-y += auxvec.h
 header-y += bitsperlong.h
 header-y += byteorder.h
diff --git a/arch/s390/include/uapi/asm/kvm_para.h b/arch/s390/include/uapi/asm/kvm_para.h
deleted file mode 100644
index e69de29..0000000
diff --git a/include/uapi/asm-generic/kvm_para.h b/include/uapi/asm-generic/kvm_para.h
index e69de29..486f0af 100644
--- a/include/uapi/asm-generic/kvm_para.h
+++ b/include/uapi/asm-generic/kvm_para.h
@@ -0,0 +1,4 @@
+/*
+ * There isn't anything here, but the file must not be empty or patch
+ * will delete it.
+ */

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