kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/kernel/entry/common.c
..
..
@@ -2,7 +2,6 @@
2
2
 
3
3
 #include <linux/context_tracking.h>
4
4
 #include <linux/entry-common.h>
5
-#include <linux/highmem.h>
6
5
 #include <linux/livepatch.h>
7
6
 #include <linux/audit.h>
8
7
 
..
..
@@ -157,16 +156,8 @@
157
156
 
158
157
 		local_irq_enable_exit_to_user(ti_work);
159
158
 
160
-		if (ti_work & _TIF_NEED_RESCHED_MASK)
159
+		if (ti_work & _TIF_NEED_RESCHED)
161
160
 			schedule();
162
-
163
-#ifdef ARCH_RT_DELAYS_SIGNAL_SEND
164
-		if (unlikely(current->forced_info.si_signo)) {
165
-			struct task_struct *t = current;
166
-			force_sig_info(&t->forced_info);
167
-			t->forced_info.si_signo = 0;
168
-		}
169
-#endif
170
161
 
171
162
 		if (ti_work & _TIF_UPROBE)
172
163
 			uprobe_notify_resume(regs);
..
..
@@ -211,7 +202,6 @@
211
202
 
212
203
 	/* Ensure that the address limit is intact and no locks are held */
213
204
 	addr_limit_user_check();
214
-	kmap_assert_nomap();
215
205
 	lockdep_assert_irqs_disabled();
216
206
 	lockdep_sys_exit();
217
207
 }
..
..
@@ -371,7 +361,7 @@
371
361
 		rcu_irq_exit_check_preempt();
372
362
 		if (IS_ENABLED(CONFIG_DEBUG_ENTRY))
373
363
 			WARN_ON_ONCE(!on_thread_stack());
374
-		if (should_resched(0))
364
+		if (need_resched())
375
365
 			preempt_schedule_irq();
376
366
 	}
377
367
 }