2007-10-30 17:30:25

by Jeff Dike

[permalink] [raw]
Subject: [PATCH 1/4] UML - Remove xmm checking on x86

From: Karol Swietlicki <[email protected]>

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 <[email protected]>
Signed-off-by: Jeff Dike <[email protected]>
---
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 */