diff options
| author |   Rob Landley <rob@landley.net> | 2006-04-18 22:21:43 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2006-04-19 09:13:51 -0700 |
| commit | 966a082f80a073af1564c5ed6313ef2f0587dde3 (patch) | |
| tree | da199abad4c035c60f04100b2759815655f46f31 /arch/um/os-Linux/start_up.c | |
| parent | [PATCH] uml: __user annotations (diff) | |
| download | linux-dev-966a082f80a073af1564c5ed6313ef2f0587dde3.tar.xz linux-dev-966a082f80a073af1564c5ed6313ef2f0587dde3.zip | |
[PATCH] uml: physical memory map file fixes
UML really wants shared memory semantics form its physical memory map file,
and the place for that is /dev/shm. So move the default, and fix the error
messages to recognize that this value can be overridden.
Signed-off-by: Rob Landley <rob@landley.net>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to '')
| -rw-r--r-- | arch/um/os-Linux/start_up.c | 24 |
1 files changed, 1 insertions, 23 deletions
diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c index 387e26af301a..503148504009 100644 --- a/arch/um/os-Linux/start_up.c +++ b/arch/um/os-Linux/start_up.c @@ -296,29 +296,7 @@ static void __init check_ptrace(void) check_sysemu(); } -extern int create_tmp_file(unsigned long long len); - -static 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); - - close(fd); -} +extern void check_tmpexec(void); void os_early_checks(void) { |