diff options
Diffstat (limited to 'include/asm-mips/irqflags.h')
-rw-r--r-- | include/asm-mips/irqflags.h | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/include/asm-mips/irqflags.h b/include/asm-mips/irqflags.h index 881e8866501d..701ec0ba8fa9 100644 --- a/include/asm-mips/irqflags.h +++ b/include/asm-mips/irqflags.h | |||
@@ -38,8 +38,17 @@ __asm__( | |||
38 | " .set pop \n" | 38 | " .set pop \n" |
39 | " .endm"); | 39 | " .endm"); |
40 | 40 | ||
41 | extern void smtc_ipi_replay(void); | ||
42 | |||
41 | static inline void raw_local_irq_enable(void) | 43 | static inline void raw_local_irq_enable(void) |
42 | { | 44 | { |
45 | #ifdef CONFIG_MIPS_MT_SMTC | ||
46 | /* | ||
47 | * SMTC kernel needs to do a software replay of queued | ||
48 | * IPIs, at the cost of call overhead on each local_irq_enable() | ||
49 | */ | ||
50 | smtc_ipi_replay(); | ||
51 | #endif | ||
43 | __asm__ __volatile__( | 52 | __asm__ __volatile__( |
44 | "raw_local_irq_enable" | 53 | "raw_local_irq_enable" |
45 | : /* no outputs */ | 54 | : /* no outputs */ |
@@ -47,6 +56,7 @@ static inline void raw_local_irq_enable(void) | |||
47 | : "memory"); | 56 | : "memory"); |
48 | } | 57 | } |
49 | 58 | ||
59 | |||
50 | /* | 60 | /* |
51 | * For cli() we have to insert nops to make sure that the new value | 61 | * For cli() we have to insert nops to make sure that the new value |
52 | * has actually arrived in the status register before the end of this | 62 | * has actually arrived in the status register before the end of this |
@@ -185,15 +195,14 @@ __asm__( | |||
185 | " .set pop \n" | 195 | " .set pop \n" |
186 | " .endm \n"); | 196 | " .endm \n"); |
187 | 197 | ||
188 | extern void smtc_ipi_replay(void); | ||
189 | 198 | ||
190 | static inline void raw_local_irq_restore(unsigned long flags) | 199 | static inline void raw_local_irq_restore(unsigned long flags) |
191 | { | 200 | { |
192 | unsigned long __tmp1; | 201 | unsigned long __tmp1; |
193 | 202 | ||
194 | #ifdef CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY | 203 | #ifdef CONFIG_MIPS_MT_SMTC |
195 | /* | 204 | /* |
196 | * CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY does prompt replay of deferred | 205 | * SMTC kernel needs to do a software replay of queued |
197 | * IPIs, at the cost of branch and call overhead on each | 206 | * IPIs, at the cost of branch and call overhead on each |
198 | * local_irq_restore() | 207 | * local_irq_restore() |
199 | */ | 208 | */ |
@@ -208,6 +217,17 @@ static inline void raw_local_irq_restore(unsigned long flags) | |||
208 | : "memory"); | 217 | : "memory"); |
209 | } | 218 | } |
210 | 219 | ||
220 | static inline void __raw_local_irq_restore(unsigned long flags) | ||
221 | { | ||
222 | unsigned long __tmp1; | ||
223 | |||
224 | __asm__ __volatile__( | ||
225 | "raw_local_irq_restore\t%0" | ||
226 | : "=r" (__tmp1) | ||
227 | : "0" (flags) | ||
228 | : "memory"); | ||
229 | } | ||
230 | |||
211 | static inline int raw_irqs_disabled_flags(unsigned long flags) | 231 | static inline int raw_irqs_disabled_flags(unsigned long flags) |
212 | { | 232 | { |
213 | #ifdef CONFIG_MIPS_MT_SMTC | 233 | #ifdef CONFIG_MIPS_MT_SMTC |