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Commit f9d6e5f8 authored by Jeff Dike's avatar Jeff Dike Committed by Linus Torvalds
Browse files

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: default avatarJeff Dike <jdike@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 7f0536f8

arch/um/sys-x86_64/bugs.c

+0 −69
Original line number Diff line number Diff line
@@ -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;

}