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>
This commit is contained in:
Родитель
2aa4a71092
Коммит
7e8e385aaf
|
@ -201,20 +201,6 @@ long sys32_fadvise64_64(int fd, __u32 offset_low, __u32 offset_high,
|
|||
advice);
|
||||
}
|
||||
|
||||
long sys32_vm86_warning(void)
|
||||
{
|
||||
struct task_struct *me = current;
|
||||
static char lastcomm[sizeof(me->comm)];
|
||||
|
||||
if (strncmp(lastcomm, me->comm, sizeof(lastcomm))) {
|
||||
compat_printk(KERN_INFO
|
||||
"%s: vm86 mode not supported on 64 bit kernel\n",
|
||||
me->comm);
|
||||
strncpy(lastcomm, me->comm, sizeof(lastcomm));
|
||||
}
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
asmlinkage ssize_t sys32_readahead(int fd, unsigned off_lo, unsigned off_hi,
|
||||
size_t count)
|
||||
{
|
||||
|
|
|
@ -119,7 +119,7 @@
|
|||
110 i386 iopl sys_iopl
|
||||
111 i386 vhangup sys_vhangup
|
||||
112 i386 idle
|
||||
113 i386 vm86old sys_vm86old sys32_vm86_warning
|
||||
113 i386 vm86old sys_vm86old sys_ni_syscall
|
||||
114 i386 wait4 sys_wait4 compat_sys_wait4
|
||||
115 i386 swapoff sys_swapoff
|
||||
116 i386 sysinfo sys_sysinfo compat_sys_sysinfo
|
||||
|
@ -172,7 +172,7 @@
|
|||
163 i386 mremap sys_mremap
|
||||
164 i386 setresuid sys_setresuid16
|
||||
165 i386 getresuid sys_getresuid16
|
||||
166 i386 vm86 sys_vm86 sys32_vm86_warning
|
||||
166 i386 vm86 sys_vm86 sys_ni_syscall
|
||||
167 i386 query_module
|
||||
168 i386 poll sys_poll
|
||||
169 i386 nfsservctl
|
||||
|
|
Загрузка…
Ссылка в новой задаче