spin_lock_irqsave example
printk("sample driver removed. .... printk(KERN_ALERT "sample driver installed. .... spin_lock_irqsave(spinlock_t *lock, unsigned long flags);,If the spinlock was locked using the function spin_lock_irqsave, then the state of the interrupts which was stored also needs to be restored. Thus this function not ...
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 spin_lock_irqsave example 相關參考資料
Kernel documentation - spinlocks
... unsigned long flags; spin_lock_irqsave(&xxx_lock, flags); ... critical section here ... (for example, internal driver data structures that nobody else ever touches). https://www.kernel.org LDDP:十、同步與鎖定@ BOOK :: 痞客邦::
printk("sample driver removed. .... printk(KERN_ALERT "sample driver installed. .... spin_lock_irqsave(spinlock_t *lock, unsigned long flags); http://silverfoxkkk.pixnet.net Spinlocks in linux - Linux World
If the spinlock was locked using the function spin_lock_irqsave, then the state of the interrupts which was stored also needs to be restored. Thus this function not ... http://tuxthink.blogspot.com spin_lock vs. spin_lock_irq vs. spin_lock_irqsave - Unix & Linux ...
1 Answer. void spin_lock(spinlock_t *lock); void spin_lock_irqsave(spinlock_t *lock, unsigned long flags); void spin_lock_irq(spinlock_t *lock); spin_lock_irqsave disables interrupts (on the local pr... https://unix.stackexchange.com spin_lock_irqsave vs spin_lock_irq - Stack Overflow
If you save the flags and release it with the flags, the function spin_lock_irqsave will just return the interrupt to its previous state. Example with ... https://stackoverflow.com spin_lock_irqsave()中的flags初始化- 兰宝的专栏- CSDN博客
void spin_lock_irqsave(spinlock_t *lock, unsigned long flags); real example: +void object_put(struct object *obj) + + unsigned long flags; + https://blog.csdn.net Unreliable Guide To Locking — The Linux Kernel 4.7 ...
Example: net/netfilter/nf_sockopt.c allows registration of new setsockopt() ... In that sense, spin_lock_irqsave() is the most general and powerful locking function. https://kernel.readthedocs.io [轉]Spinlock 簡介@ H's 手札:: 痞客邦::
在這個檔案裡定義了spin_lock_irqsave() 及spin_lock_irqrestore() 這兩個function。 #define spin_lock_irqsave(lock，flags) do while (0) http://huenlil.pixnet.net |