netconsole: make all dynamic netconsoles share a mutex
Currently, each dynamic netconsole_target uses its own separate mutex to synchronize the configuration operations. This patch replaces the per-netconsole_target mutexes with a single mutex - dynamic_netconsole_mutex. The reduced granularity doesn't hurt anything, the code is minutely simpler and this'd allow adding operations which should be synchronized across all dynamic netconsoles. Signed-off-by:Tejun Heo <tj@kernel.org> Cc: David Miller <davem@davemloft.net> Cc: Kay Sievers <kay@vrfy.org> Cc: Petr Mladek <pmladek@suse.cz> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
parent
698cf1c6
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