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(parent: b2bd846) | patch
The big kernel lock was never held during read() or write() system
authorFrank Mori Hess <fmhess@speakeasy.net>
Fri, 15 Aug 2008 20:42:00 +0000 (20:42 +0000)
committerFrank Mori Hess <fmhess@speakeasy.net>
Fri, 15 Aug 2008 20:42:00 +0000 (20:42 +0000)
commitdbcee2da5cdf11dcd8e8988482f5e269061a5f56
tree0513f3e7418b74c0707e37d9052b2a5d945601e4tree | snapshot
parentb2bd846a054cc810b06e61bf6d0e727686bbcdb7commit | diff
The big kernel lock was never held during read() or write() system
calls, only during ioctls.  There should be no reason the device's mutex
needs to be locked during read or write operations.
comedi/comedi_fops.c diff | blob | history
Comedi (linux control and measurement device interface) kernel module.