uml: remove unused x86_64 code

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@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/um/sys-x86_64/bugs.c b/arch/um/sys-x86_64/bugs.c
index 9fa5392e3122b7dbcf7d6debdf1bb7e27cc31e0e..095478890371ba5cd008d0f849b7f4a9a9828cd4 100644 (file)
--- a/arch/um/sys-x86_64/bugs.c
+++ b/arch/um/sys-x86_64/bugs.c
@@ -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 uml_pt_regs *regs)
 {
        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;
-}