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Date: Fri, 4 Dec 2015 15:15:55 +0100
From: Borislav Petkov <bp@alien8.de>
To: Kees Cook <keescook@chromium.org>
Cc: X86 ML <x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
        Arjan van de Ven <arjan@linux.intel.com>
Subject: Re: [PATCH] x86/mm/ptdump: Make (debugfs)/kernel_page_tables
 read-only
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On Fri, Dec 04, 2015 at 05:57:05AM -0800, Kees Cook wrote:
> We need a EHAHANOPE errno and have write return that. ;)

Sure, lemme add it to glibc:

---
diff --git a/manual/errno.texi b/manual/errno.texi
index 1068be3a5072..ec92cc00f81b 100644
--- a/manual/errno.texi
+++ b/manual/errno.texi
@@ -1279,6 +1279,12 @@ They are not yet documented.}
 @comment errno ???/???
 @end deftypevr
 
+@comment errno.h
+@comment Linux: Haha, nope, you wish.
+@deftypevar Macro int EHAHANOPE
+@comment errno ???/???
+@end deftypevr
+
 @node Error Messages,  , Error Codes, Error Reporting
 @section Error Messages
---

:-P

-- 
Regards/Gruss,
    Boris.

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