固定GMAC1 网卡名为 eth3

hc

2024-11-15 a46a1ad097419aeea7350987dd95230f50d90392

 kernel/arch/x86/include/asm/fpu/api.h
..
..
@@ -41,16 +41,25 @@
41
41
  * fpu->state and set TIF_NEED_FPU_LOAD leaving CPU's FPU registers in
42
42
  * a random state.
43
43
  */
44
-static inline void fpregs_lock(void)
44
+static inline unsigned long fpregs_lock(void)
45
45
 {
46
-	preempt_disable();
47
-	local_bh_disable();
46
+	if (IS_ENABLED(CONFIG_IRQ_PIPELINE)) {
47
+		return hard_preempt_disable();
48
+	} else {
49
+		preempt_disable();
50
+		local_bh_disable();
51
+		return 0;
52
+	}
48
53
 }
49
54
 
50
-static inline void fpregs_unlock(void)
55
+static inline void fpregs_unlock(unsigned long flags)
51
56
 {
52
-	local_bh_enable();
53
-	preempt_enable();
57
+	if (IS_ENABLED(CONFIG_IRQ_PIPELINE)) {
58
+		hard_preempt_enable(flags);
59
+	} else {
60
+		local_bh_enable();
61
+		preempt_enable();
62
+	}
54
63
 }
55
64
 
56
65
 #ifdef CONFIG_X86_DEBUG_FPU
..
..
@@ -64,6 +73,10 @@
64
73
  */
65
74
 extern void switch_fpu_return(void);
66
75
 
76
+/* For Dovetail context switching. */
77
+void fpu__suspend_inband(void);
78
+void fpu__resume_inband(void);
79
+
67
80
 /*
68
81
  * Query the presence of one or more xfeatures. Works on any legacy CPU as well.
69
82
  *