linux-kernel - [patch] dont export ia64 intrin headers and sanitize asm-ia64/byteorder.h

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Message-Id: <200706181547.34793.vapier@gentoo.org>
Date:	Mon, 18 Jun 2007 15:47:34 -0400
From:	Mike Frysinger <vapier@...too.org>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	tony.luck@...el.com
Subject: [patch] dont export ia64 intrin headers and sanitize asm-ia64/byteorder.h

On Monday 18 June 2007, Christoph Hellwig wrote:
> On Mon, Jun 18, 2007 at 02:19:10AM -0400, Mike Frysinger wrote:
> > Since asm-ia64/gcc_intrin.h gets exported to userspace, we need to make
> > sure to use __asm__() rather than asm() since the latter is not available
> > when compiling with gcc with GNU extensions turned off (like -std=c99).
>
> This header is only for kernel-internal use and should not be exported
> to userspace at all.

so like the following

Signed-off-by: Mike Frysinger <vapier@...too.org>
---
diff --git a/include/asm-ia64/Kbuild b/include/asm-ia64/Kbuild
index 4a1e48b..fc03b88 100644
--- a/include/asm-ia64/Kbuild
+++ b/include/asm-ia64/Kbuild
@@ -3,10 +3,7 @@ include include/asm-generic/Kbuild.asm
 header-y += break.h
 header-y += fpu.h
 header-y += fpswa.h
-header-y += gcc_intrin.h
 header-y += ia64regs.h
-header-y += intel_intrin.h
-header-y += intrinsics.h
 header-y += perfmon_default_smpl.h
 header-y += ptrace_offsets.h
 header-y += rse.h
diff --git a/include/asm-ia64/byteorder.h b/include/asm-ia64/byteorder.h
index 69bd41d..783e272 100644
--- a/include/asm-ia64/byteorder.h
+++ b/include/asm-ia64/byteorder.h
@@ -7,6 +7,9 @@
  */
 
 #include <asm/types.h>
+
+#ifdef __KERNEL__
+
 #include <asm/intrinsics.h>
 #include <linux/compiler.h>
 
@@ -35,6 +38,8 @@ __ia64_swab16(__u16 x)
 #define __arch__swab32(x) __ia64_swab32(x)
 #define __arch__swab16(x) __ia64_swab16(x)
 
+#endif
+
 #define __BYTEORDER_HAS_U64__
 
 #include <linux/byteorder/little_endian.h>

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