linux-kernel - Re: [patch 0/9] x86, xsave: xsave/xrstor support

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Date:	Wed, 13 Aug 2008 13:00:50 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Suresh Siddha <suresh.b.siddha@...el.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"torvalds@...ux-foundation.org" <torvalds@...ux-foundation.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"arjan@...ux.intel.com" <arjan@...ux.intel.com>,
	"roland@...hat.com" <roland@...hat.com>,
	"drepper@...hat.com" <drepper@...hat.com>,
	"mikpe@...uu.se" <mikpe@...uu.se>,
	"chrisw@...s-sol.org" <chrisw@...s-sol.org>,
	"andi@...stfloor.org" <andi@...stfloor.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [patch 0/9] x86, xsave: xsave/xrstor support


* Ingo Molnar <mingo@...e.hu> wrote:

> > Anyhow, with watchdog removed, it works just fine. (both xsave and 
> > non-xsave kernels)
> 
> Great, thanks. I've re-integrated tip/x86/xsave into x86/master and 
> have pushed out the result.

FYI, small tip/x86/xsave build fixlet below - user-space exposed 
interfaces need to use __u64 not u64.

	Ingo

-------------->
>From 26d809af6397ce5c37f5c44d89734d19cce1ad25 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@...e.hu>
Date: Wed, 13 Aug 2008 12:46:26 +0200
Subject: [PATCH] x86: fix xsave build error
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit

fix this build failure with certain glibc versions:

In file included from /usr/include/bits/sigcontext.h:28,
                 from /usr/include/signal.h:333,
                 from Documentation/accounting/getdelays.c:24:
/home/mingo/tip/usr/include/asm/sigcontext.h:191: error: expected specifier-qualifier-list before ‘u64’

Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 include/asm-x86/sigcontext.h |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/asm-x86/sigcontext.h b/include/asm-x86/sigcontext.h
index 899fe2f..ee813f4 100644
--- a/include/asm-x86/sigcontext.h
+++ b/include/asm-x86/sigcontext.h
@@ -264,9 +264,9 @@ struct sigcontext {
 #endif /* !__i386__ */
 
 struct _xsave_hdr {
-	u64 xstate_bv;
-	u64 reserved1[2];
-	u64 reserved2[5];
+	__u64 xstate_bv;
+	__u64 reserved1[2];
+	__u64 reserved2[5];
 };
 
 /*
--
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