schedule(): do not preempt while holding spinlocks or while in offloaded syscall

2015-08-06 10:36:13 +09:00
parent b77755d0f7
commit 328e69a335
7 changed files with 39 additions and 0 deletions
--- a/kernel/include/cls.h
+++ b/kernel/include/cls.h
@@ -68,6 +68,7 @@ struct cpu_local_var {
 	ihk_spinlock_t migq_lock;
 	struct list_head migq;
 	int in_interrupt;
+	int no_preempt;
 } __attribute__((aligned(64)));


--- a/kernel/include/process.h
+++ b/kernel/include/process.h
@@ -411,6 +411,7 @@ struct process {
 	fp_regs_struct *fp_regs;
 	char *saved_cmdline;
 	long saved_cmdline_len;
+	int in_syscall_offload;
 };

 struct process_vm {