[PATCH 1/4] UML - Remove unused x86_64 code

From: Jeff Dike
Date: Mon Apr 09 2007 - 14:20:16 EST


It turns out that essentially none of the x86_64 bugs.c is needed.
So, we can delete most of it.

Signed-off-by: Jeff Dike <jdike@xxxxxxxxxxxxxxx>
--
arch/um/sys-x86_64/bugs.c | 69 ----------------------------------------------
1 file changed, 69 deletions(-)

Index: linux-2.6.21-mm/arch/um/sys-x86_64/bugs.c
===================================================================
--- linux-2.6.21-mm.orig/arch/um/sys-x86_64/bugs.c 2007-04-03 11:31:25.000000000 -0400
+++ linux-2.6.21-mm/arch/um/sys-x86_64/bugs.c 2007-04-05 13:26:48.000000000 -0400
@@ -4,12 +4,7 @@
* Licensed under the GPL
*/

-#include "linux/sched.h"
-#include "linux/errno.h"
-#include "asm/system.h"
-#include "asm/pda.h"
#include "sysdep/ptrace.h"
-#include "os.h"

void arch_init_thread(void)
{
@@ -23,67 +18,3 @@ int arch_handle_signal(int sig, union um
{
return 0;
}
-
-#define MAXTOKEN 64
-
-/* 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)
-{
- int n;
- char *ptr, *end, c;
-
- ptr = buf;
- end = &buf[len];
- do {
- n = os_read_file(fd, ptr, sizeof(*ptr));
- c = *ptr++;
- if(n != sizeof(*ptr)){
- if(n == 0)
- return 0;
- printk("Reading /proc/cpuinfo failed, err = %d\n", -n);
- if(n < 0)
- return n;
- else return -EIO;
- }
- } while((c != '\n') && (c != stop) && (ptr < end));
-
- if(ptr == end){
- printk("Failed to find '%c' in /proc/cpuinfo\n", stop);
- return -1;
- }
- *(ptr - 1) = '\0';
- return c;
-}
-
-static int find_cpuinfo_line(int fd, char *key, char *scratch, int len)
-{
- int n;
- char c;
-
- scratch[len - 1] = '\0';
- while(1){
- c = token(fd, scratch, len - 1, ':');
- if(c <= 0)
- return 0;
- else if(c != ':'){
- printk("Failed to find ':' in /proc/cpuinfo\n");
- return 0;
- }
-
- if(!strncmp(scratch, key, strlen(key)))
- return 1;
-
- do {
- n = os_read_file(fd, &c, sizeof(c));
- if(n != sizeof(c)){
- printk("Failed to find newline in "
- "/proc/cpuinfo, err = %d\n", -n);
- return 0;
- }
- } while(c != '\n');
- }
- return 0;
-}
-
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