diff options
author | Brian Gerst <brgerst@gmail.com> | 2015-03-03 22:31:34 -0500 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2015-03-04 00:16:21 -0500 |
commit | 7e8e385aaf6ed5b64b5d9108081cfcdcdd021b78 (patch) | |
tree | c50404e75337cbef6e74a60b98a5c73013cc0e1c /arch/x86/ia32 | |
parent | 2aa4a710928863e84cb71e60b7c839d12403f5ca (diff) |
x86/compat: Remove sys32_vm86_warning
The check against lastcomm is racy, and the message it produces
isn't necessary. vm86 support can be disabled on a 32-bit
kernel also, and doesn't have this message. Switch to
sys_ni_syscall instead.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1425439896-8322-4-git-send-email-brgerst@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/ia32')
-rw-r--r-- | arch/x86/ia32/sys_ia32.c | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c index 8e0ceecdc957..719cd702b0a4 100644 --- a/arch/x86/ia32/sys_ia32.c +++ b/arch/x86/ia32/sys_ia32.c | |||
@@ -201,20 +201,6 @@ long sys32_fadvise64_64(int fd, __u32 offset_low, __u32 offset_high, | |||
201 | advice); | 201 | advice); |
202 | } | 202 | } |
203 | 203 | ||
204 | long sys32_vm86_warning(void) | ||
205 | { | ||
206 | struct task_struct *me = current; | ||
207 | static char lastcomm[sizeof(me->comm)]; | ||
208 | |||
209 | if (strncmp(lastcomm, me->comm, sizeof(lastcomm))) { | ||
210 | compat_printk(KERN_INFO | ||
211 | "%s: vm86 mode not supported on 64 bit kernel\n", | ||
212 | me->comm); | ||
213 | strncpy(lastcomm, me->comm, sizeof(lastcomm)); | ||
214 | } | ||
215 | return -ENOSYS; | ||
216 | } | ||
217 | |||
218 | asmlinkage ssize_t sys32_readahead(int fd, unsigned off_lo, unsigned off_hi, | 204 | asmlinkage ssize_t sys32_readahead(int fd, unsigned off_lo, unsigned off_hi, |
219 | size_t count) | 205 | size_t count) |
220 | { | 206 | { |