diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2012-08-02 15:05:11 -0400 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-09-30 22:53:32 -0400 |
commit | 6783eaa2e1253fbcbe2c2f6bb4c843abf1343caf (patch) | |
tree | 457e7b1d54396ed31ba92b7fe7024723d26ba565 /arch/um/kernel/syscall.c | |
parent | 7076aada1040de4ed79a5977dbabdb5e5ea5e249 (diff) |
x86, um/x86: switch to generic sys_execve and kernel_execve
32bit wrapper is lost on that; 64bit one is *not*, since
we need to arrange for full pt_regs on stack when we call
sys_execve() and we need to load callee-saved ones from
there afterwards.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/um/kernel/syscall.c')
-rw-r--r-- | arch/um/kernel/syscall.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c index a4c6d8eee74c..a5639c472772 100644 --- a/arch/um/kernel/syscall.c +++ b/arch/um/kernel/syscall.c | |||
@@ -13,7 +13,6 @@ | |||
13 | #include "asm/mman.h" | 13 | #include "asm/mman.h" |
14 | #include "asm/uaccess.h" | 14 | #include "asm/uaccess.h" |
15 | #include "asm/unistd.h" | 15 | #include "asm/unistd.h" |
16 | #include "internal.h" | ||
17 | 16 | ||
18 | long sys_fork(void) | 17 | long sys_fork(void) |
19 | { | 18 | { |
@@ -50,19 +49,3 @@ long old_mmap(unsigned long addr, unsigned long len, | |||
50 | out: | 49 | out: |
51 | return err; | 50 | return err; |
52 | } | 51 | } |
53 | |||
54 | int kernel_execve(const char *filename, | ||
55 | const char *const argv[], | ||
56 | const char *const envp[]) | ||
57 | { | ||
58 | mm_segment_t fs; | ||
59 | int ret; | ||
60 | |||
61 | fs = get_fs(); | ||
62 | set_fs(KERNEL_DS); | ||
63 | ret = um_execve(filename, (const char __user *const __user *)argv, | ||
64 | (const char __user *const __user *) envp); | ||
65 | set_fs(fs); | ||
66 | |||
67 | return ret; | ||
68 | } | ||