add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/arch/x86/include/asm/irqflags.h
..
..
@@ -9,7 +9,7 @@
9
9
 #include <asm/nospec-branch.h>
10
10
 
11
11
 /* Provide __cpuidle; we can't safely include <linux/cpu.h> */
12
-#define __cpuidle __attribute__((__section__(".cpuidle.text")))
12
+#define __cpuidle __section(".cpuidle.text")
13
13
 
14
14
 /*
15
15
  * Interrupt control:
..
..
@@ -17,7 +17,7 @@
17
17
 
18
18
 /* Declaration required for gcc < 4.9 to prevent -Werror=missing-prototypes */
19
19
 extern inline unsigned long native_save_fl(void);
20
-extern inline unsigned long native_save_fl(void)
20
+extern __always_inline unsigned long native_save_fl(void)
21
21
 {
22
22
 	unsigned long flags;
23
23
 
..
..
@@ -44,12 +44,12 @@
44
44
 		     :"memory", "cc");
45
45
 }
46
46
 
47
-static inline void native_irq_disable(void)
47
+static __always_inline void native_irq_disable(void)
48
48
 {
49
49
 	asm volatile("cli": : :"memory");
50
50
 }
51
51
 
52
-static inline void native_irq_enable(void)
52
+static __always_inline void native_irq_enable(void)
53
53
 {
54
54
 	asm volatile("sti": : :"memory");
55
55
 }
..
..
@@ -68,28 +68,28 @@
68
68
 
69
69
 #endif
70
70
 
71
-#ifdef CONFIG_PARAVIRT
71
+#ifdef CONFIG_PARAVIRT_XXL
72
72
 #include <asm/paravirt.h>
73
73
 #else
74
74
 #ifndef __ASSEMBLY__
75
75
 #include <linux/types.h>
76
76
 
77
-static inline notrace unsigned long arch_local_save_flags(void)
77
+static __always_inline unsigned long arch_local_save_flags(void)
78
78
 {
79
79
 	return native_save_fl();
80
80
 }
81
81
 
82
-static inline notrace void arch_local_irq_restore(unsigned long flags)
82
+static __always_inline void arch_local_irq_restore(unsigned long flags)
83
83
 {
84
84
 	native_restore_fl(flags);
85
85
 }
86
86
 
87
-static inline notrace void arch_local_irq_disable(void)
87
+static __always_inline void arch_local_irq_disable(void)
88
88
 {
89
89
 	native_irq_disable();
90
90
 }
91
91
 
92
-static inline notrace void arch_local_irq_enable(void)
92
+static __always_inline void arch_local_irq_enable(void)
93
93
 {
94
94
 	native_irq_enable();
95
95
 }
..
..
@@ -115,7 +115,7 @@
115
115
 /*
116
116
  * For spinlocks, etc:
117
117
  */
118
-static inline notrace unsigned long arch_local_irq_save(void)
118
+static __always_inline unsigned long arch_local_irq_save(void)
119
119
 {
120
120
 	unsigned long flags = arch_local_save_flags();
121
121
 	arch_local_irq_disable();
..
..
@@ -127,19 +127,9 @@
127
127
 #define DISABLE_INTERRUPTS(x)	cli
128
128
 
129
129
 #ifdef CONFIG_X86_64
130
-#define SWAPGS	swapgs
131
-/*
132
- * Currently paravirt can't handle swapgs nicely when we
133
- * don't have a stack we can rely on (such as a user space
134
- * stack).  So we either find a way around these or just fault
135
- * and emulate if a guest tries to call swapgs directly.
136
- *
137
- * Either way, this is a good way to document that we don't
138
- * have a reliable stack. x86_64 only.
139
- */
140
-#define SWAPGS_UNSAFE_STACK	swapgs
141
-
142
-#define PARAVIRT_ADJUST_EXCEPTION_FRAME	/*  */
130
+#ifdef CONFIG_DEBUG_ENTRY
131
+#define SAVE_FLAGS(x)		pushfq; popq %rax
132
+#endif
143
133
 
144
134
 #define INTERRUPT_RETURN	jmp native_iret
145
135
 #define USERGS_SYSRET64				\
..
..
@@ -149,65 +139,33 @@
149
139
 	swapgs;					\
150
140
 	sysretl
151
141
 
152
-#ifdef CONFIG_DEBUG_ENTRY
153
-#define SAVE_FLAGS(x)		pushfq; popq %rax
154
-#endif
155
142
 #else
156
143
 #define INTERRUPT_RETURN		iret
157
-#define ENABLE_INTERRUPTS_SYSEXIT	sti; sysexit
158
-#define GET_CR0_INTO_EAX		movl %cr0, %eax
159
144
 #endif
160
145
 
161
-
162
146
 #endif /* __ASSEMBLY__ */
163
-#endif /* CONFIG_PARAVIRT */
147
+#endif /* CONFIG_PARAVIRT_XXL */
164
148
 
165
149
 #ifndef __ASSEMBLY__
166
-static inline int arch_irqs_disabled_flags(unsigned long flags)
150
+static __always_inline int arch_irqs_disabled_flags(unsigned long flags)
167
151
 {
168
152
 	return !(flags & X86_EFLAGS_IF);
169
153
 }
170
154
 
171
-static inline int arch_irqs_disabled(void)
155
+static __always_inline int arch_irqs_disabled(void)
172
156
 {
173
157
 	unsigned long flags = arch_local_save_flags();
174
158
 
175
159
 	return arch_irqs_disabled_flags(flags);
176
160
 }
161
+#else
162
+#ifdef CONFIG_X86_64
163
+#ifdef CONFIG_XEN_PV
164
+#define SWAPGS	ALTERNATIVE "swapgs", "", X86_FEATURE_XENPV
165
+#else
166
+#define SWAPGS	swapgs
167
+#endif
168
+#endif
177
169
 #endif /* !__ASSEMBLY__ */
178
-
179
-#ifdef __ASSEMBLY__
180
-#ifdef CONFIG_TRACE_IRQFLAGS
181
-#  define TRACE_IRQS_ON		call trace_hardirqs_on_thunk;
182
-#  define TRACE_IRQS_OFF	call trace_hardirqs_off_thunk;
183
-#else
184
-#  define TRACE_IRQS_ON
185
-#  define TRACE_IRQS_OFF
186
-#endif
187
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
188
-#  ifdef CONFIG_X86_64
189
-#    define LOCKDEP_SYS_EXIT		call lockdep_sys_exit_thunk
190
-#    define LOCKDEP_SYS_EXIT_IRQ \
191
-	TRACE_IRQS_ON; \
192
-	sti; \
193
-	call lockdep_sys_exit_thunk; \
194
-	cli; \
195
-	TRACE_IRQS_OFF;
196
-#  else
197
-#    define LOCKDEP_SYS_EXIT \
198
-	pushl %eax;				\
199
-	pushl %ecx;				\
200
-	pushl %edx;				\
201
-	call lockdep_sys_exit;			\
202
-	popl %edx;				\
203
-	popl %ecx;				\
204
-	popl %eax;
205
-#    define LOCKDEP_SYS_EXIT_IRQ
206
-#  endif
207
-#else
208
-#  define LOCKDEP_SYS_EXIT
209
-#  define LOCKDEP_SYS_EXIT_IRQ
210
-#endif
211
-#endif /* __ASSEMBLY__ */
212
170
 
213
171
 #endif