Hello, Jon. Thank you for your reply. On 10/11/05, Jon Masters wrote: > On 10/11/05, Tetsuo Handa wrote: > > Can a process do semaphore operations while the process is > > holding a spinlock? > No. Well, you might wake something up later. OK. > > This will sleep and cause deadlock, won't this? > No. The BKL gets silently released and reacquired without you noticing > it is happening. So, as with lock_kernel(), I don't need to worry releasing the lock before doing semaphore operations or kmalloc(GFP_KERNEL). And as with dcache_lock, for example, I need to release the lock before doing semaphore operations or kmalloc(GFP_KERNEL). Thank you very much. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
