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execve(): stay compliant with locked context switching

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Balazs Gerofi
2015-08-10 14:18:11 +09:00
parent f0ab8ec89a
commit 9fa62adfe7
1 changed files with 4 additions and 0 deletions
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4
kernel/syscall.c
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@@ -1833,6 +1833,10 @@ SYSCALL_DECLARE(execve)
dkprintf("execve(): switching to new process\n"); dkprintf("execve(): switching to new process\n");
proc->execed = 1; proc->execed = 1;
/* Lock run queue because enter_user_mode expects to release it */
cpu_local_var(runq_irqstate) =
ihk_mc_spinlock_lock(&(get_this_cpu_local_var()->runq_lock));
ihk_mc_switch_context(NULL, &cpu_local_var(current)->ctx, ihk_mc_switch_context(NULL, &cpu_local_var(current)->ctx,
cpu_local_var(current)); cpu_local_var(current));