1 files changed, 1 insertions, 204 deletions

diff --git a/arch/um/kernel/mem_user.c b/arch/um/kernel/mem_user.c
index 4a663fd434bb..d49640d9923f 100644
--- a/arch/um/kernel/mem_user.c
+++ b/arch/um/kernel/mem_user.c
@@ -48,219 +48,16 @@
 #include "tempfile.h"
 #include "kern_constants.h"
 
-#define TEMPNAME_TEMPLATE "vm_file-XXXXXX"
-
-static int create_tmp_file(unsigned long len)
-{
-        int fd, err;
-        char zero;
-
-        fd = make_tempfile(TEMPNAME_TEMPLATE, NULL, 1);
-        if(fd < 0) {
-                os_print_error(fd, "make_tempfile");
-                exit(1);
-        }
-
-        err = os_mode_fd(fd, 0777);
-        if(err < 0){
-                os_print_error(err, "os_mode_fd");
-                exit(1);
-        }
-        err = os_seek_file(fd, len);
-        if(err < 0){
-                os_print_error(err, "os_seek_file");
-                exit(1);
-        }
-        zero = 0;
-        err = os_write_file(fd, &zero, 1);
-        if(err != 1){
-                os_print_error(err, "os_write_file");
-                exit(1);
-        }
-
-        return(fd);
-}
-
-void check_tmpexec(void)
-{
-        void *addr;
-        int err, fd = create_tmp_file(UM_KERN_PAGE_SIZE);
-
-        addr = mmap(NULL, UM_KERN_PAGE_SIZE,
-                    PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE, fd, 0);
-        printf("Checking PROT_EXEC mmap in /tmp...");
-        fflush(stdout);
-        if(addr == MAP_FAILED){
-                err = errno;
-                perror("failed");
-                if(err == EPERM)
-                        printf("/tmp must be not mounted noexec\n");
-                exit(1);
-        }
-        printf("OK\n");
-        munmap(addr, UM_KERN_PAGE_SIZE);
-
-        os_close_file(fd);
-}
-
-static int have_devanon = 0;
-
-void check_devanon(void)
-{
-        int fd;
-
-        printk("Checking for /dev/anon on the host...");
-        fd = open("/dev/anon", O_RDWR);
-        if(fd < 0){
-                printk("Not available (open failed with errno %d)\n", errno);
-                return;
-        }
-
-        printk("OK\n");
-        have_devanon = 1;
-}
-
-static int create_anon_file(unsigned long len)
-{
-        void *addr;
-        int fd;
-
-        fd = open("/dev/anon", O_RDWR);
-        if(fd < 0) {
-                os_print_error(fd, "opening /dev/anon");
-                exit(1);
-        }
-
-        addr = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
-        if(addr == MAP_FAILED){
-                perror("mapping physmem file");
-                exit(1);
-        }
-        munmap(addr, len);
-
-        return(fd);
-}
-
-int create_mem_file(unsigned long len)
-{
-        int err, fd;
-
-        if(have_devanon)
-                fd = create_anon_file(len);
-        else fd = create_tmp_file(len);
-
-        err = os_set_exec_close(fd, 1);
-        if(err < 0)
-                os_print_error(err, "exec_close");
-        return(fd);
-}
-
 struct iomem_region *iomem_regions = NULL;
 int iomem_size = 0;
 
-static int __init parse_iomem(char *str, int *add)
-{
-        struct iomem_region *new;
-        struct uml_stat buf;
-        char *file, *driver;
-        int fd, err, size;
-
-        driver = str;
-        file = strchr(str,',');
-        if(file == NULL){
-                printf("parse_iomem : failed to parse iomem\n");
-                goto out;
-        }
-        *file = '\0';
-        file++;
-        fd = os_open_file(file, of_rdwr(OPENFLAGS()), 0);
-        if(fd < 0){
-                os_print_error(fd, "parse_iomem - Couldn't open io file");
-                goto out;
-        }
-
-        err = os_stat_fd(fd, &buf);
-        if(err < 0){
-                os_print_error(err, "parse_iomem - cannot stat_fd file");
-                goto out_close;
-        }
-
-        new = malloc(sizeof(*new));
-        if(new == NULL){
-                perror("Couldn't allocate iomem_region struct");
-                goto out_close;
-        }
-
-        size = (buf.ust_size + UM_KERN_PAGE_SIZE) & ~(UM_KERN_PAGE_SIZE - 1);
-
-        *new = ((struct iomem_region) { .next           = iomem_regions,
-                                        .driver         = driver,
-                                        .fd             = fd,
-                                        .size           = size,
-                                        .phys           = 0,
-                                        .virt           = 0 });
-        iomem_regions = new;
-        iomem_size += new->size + UM_KERN_PAGE_SIZE;
-
-        return(0);
- out_close:
-        os_close_file(fd);
- out:
-        return(1);
-}
+extern int parse_iomem(char *str, int *add) __init;
 
 __uml_setup("iomem=", parse_iomem,
 "iomem=<name>,<file>\n"
 "    Configure <file> as an IO memory region named <name>.\n\n"
 );
 
-int protect_memory(unsigned long addr, unsigned long len, int r, int w, int x,
-                   int must_succeed)
-{
-        int err;
-
-        err = os_protect_memory((void *) addr, len, r, w, x);
-        if(err < 0){
-                if(must_succeed)
-                        panic("protect failed, err = %d", -err);
-                else return(err);
-        }
-        return(0);
-}
-
-#if 0
-/* Debugging facility for dumping stuff out to the host, avoiding the timing
- * problems that come with printf and breakpoints.
- * Enable in case of emergency.
- */
-
-int logging = 1;
-int logging_fd = -1;
-
-int logging_line = 0;
-char logging_buf[512];
-
-void log(char *fmt, ...)
-{
-        va_list ap;
-        struct timeval tv;
-        struct openflags flags;
-
-        if(logging == 0) return;
-        if(logging_fd < 0){
-                flags = of_create(of_trunc(of_rdwr(OPENFLAGS())));
-                logging_fd = os_open_file("log", flags, 0644);
-        }
-        gettimeofday(&tv, NULL);
-        sprintf(logging_buf, "%d\t %u.%u  ", logging_line++, tv.tv_sec,
-                tv.tv_usec);
-        va_start(ap, fmt);
-        vsprintf(&logging_buf[strlen(logging_buf)], fmt, ap);
-        va_end(ap);
-        write(logging_fd, logging_buf, strlen(logging_buf));
-}
-#endif
-
 /*
  * Overrides for Emacs so that we follow Linus's tabbing style.
  * Emacs will notice this stuff at the end of the file and automatically