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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-02-02 23:22:20 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-02-02 23:22:20 -0300
commit5c545e1fb127a4b11ddc5f1a5ed066b853dd1a1a (patch)
treed4cd913bc79d37d32756a9bffbeedabf93e32579 /arch/x86/kernel/ioport.c
parentb4b7ff4b08e691656c9d77c758fc355833128ac0 (diff)
Linux-libre 4.4.1-gnupck-4.4.1-gnu
Diffstat (limited to 'arch/x86/kernel/ioport.c')
-rw-r--r--arch/x86/kernel/ioport.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c
index 816f81544..37dae792d 100644
--- a/arch/x86/kernel/ioport.c
+++ b/arch/x86/kernel/ioport.c
@@ -28,18 +28,8 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
if ((from + num <= from) || (from + num > IO_BITMAP_BITS))
return -EINVAL;
-#ifdef CONFIG_SCHED_BFS_AUTOISO
- if (turn_on) {
- struct sched_param param = { .sched_priority = 0 };
- if (!capable(CAP_SYS_RAWIO))
- return -EPERM;
- /* Start X as SCHED_ISO */
- sched_setscheduler_nocheck(current, SCHED_ISO, &param);
- }
-#else
if (turn_on && !capable(CAP_SYS_RAWIO))
return -EPERM;
-#endif
/*
* If it's the first ioperm() call in this thread's lifetime, set the
@@ -113,15 +103,8 @@ SYSCALL_DEFINE1(iopl, unsigned int, level)
return -EINVAL;
/* Trying to gain more privileges? */
if (level > old) {
-#ifdef CONFIG_SCHED_BFS_AUTOISO
- struct sched_param param = { .sched_priority = 0 };
-#endif
if (!capable(CAP_SYS_RAWIO))
return -EPERM;
-#ifdef CONFIG_SCHED_BFS_AUTOISO
- /* Start X as SCHED_ISO */
- sched_setscheduler_nocheck(current, SCHED_ISO, &param);
-#endif
}
regs->flags = (regs->flags & ~X86_EFLAGS_IOPL) | (level << 12);
t->iopl = level << 12;