driver/sound/soundcard.c lock_kernel()/unlock_kernel()

From: Frank Davis (
Date: Tue Jun 26 2001 - 23:32:53 EST

Hello all,
      I've been looking through the sound drivers in the 2.4.5-ac series
drivers/sound/soundcard.c has a few lock_kernel()/unlock_kernel() calls,
esp. in the read() and write() functions. Could these calls be easily
replaced with semaphores or spinlock calls? I vaguely remember emails on
lkml a while ago regarding the removal of lock_kernel()/unlock_kernel(),
but I'm don't recall what the replacement was (if any).

btw, Sorry in advance if the mailer causes probelms.
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