linux-kernel - [PATCH 1/4] UML - Remove xmm checking on x86

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Message-ID: <20071030172848.GA8356@c2.user-mode-linux.org>
Date:	Tue, 30 Oct 2007 13:28:48 -0400
From:	Jeff Dike <jdike@...toit.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	uml-devel <user-mode-linux-devel@...ts.sourceforge.net>,
	Karol Swietlicki <magotari@...il.com>
Subject: [PATCH 1/4] UML - Remove xmm checking on x86

From: Karol Swietlicki <magotari@...il.com>

This patch removes some code which ran at every boot, but does not
seem to do anything anymore. Please test. It works for me but mistakes
can happen.

Signed-off-by: Karol Swietlicki <magotari@...il.com>
Signed-off-by: Jeff Dike <jdike@...ux.intel.com>
---
 arch/um/sys-i386/bugs.c         |    3 ---
 include/asm-um/processor-i386.h |    1 -
 2 files changed, 4 deletions(-)

Index: linux-2.6.22/arch/um/sys-i386/bugs.c
===================================================================
--- linux-2.6.22.orig/arch/um/sys-i386/bugs.c	2007-10-25 23:33:16.000000000 -0400
+++ linux-2.6.22/arch/um/sys-i386/bugs.c	2007-10-26 12:31:25.000000000 -0400
@@ -15,7 +15,6 @@
 
 /* Set during early boot */
 int host_has_cmov = 1;
-int host_has_xmm = 0;
 
 static char token(int fd, char *buf, int len, char stop)
 {
@@ -163,8 +162,6 @@ void arch_check_bugs(void)
 	}
 	if (check_cpu_flag("cmov", &have_it))
 		host_has_cmov = have_it;
-	if (check_cpu_flag("xmm", &have_it))
-		host_has_xmm = have_it;
 }
 
 int arch_handle_signal(int sig, struct uml_pt_regs *regs)
Index: linux-2.6.22/include/asm-um/processor-i386.h
===================================================================
--- linux-2.6.22.orig/include/asm-um/processor-i386.h	2007-07-08 19:32:17.000000000 -0400
+++ linux-2.6.22/include/asm-um/processor-i386.h	2007-10-26 12:32:07.000000000 -0400
@@ -10,7 +10,6 @@
 #include "asm/host_ldt.h"
 #include "asm/segment.h"
 
-extern int host_has_xmm;
 extern int host_has_cmov;
 
 /* include faultinfo structure */
-
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