On Thu, Jun 10, 2004 at 19:25:27 +0530, aksingh@hss.hns.com wrote: > Had a general question -- do driver writers log there messages, because > it is a massive performance hit, do they have printk's in their code when > they release it ? > It is certainly desirable to have something of this sort(atleast some > messages being logged), incase there is some problem with the > driver(detected in field) then the logs can really help . Users have the source. It's easy to: #ifdef DEBUG #define LOG(x...) printk(x) #else #define LOG(x) 0 #endif And when a problem arises, the user can always be told to #define DEBUG and recompile the module. Right? ------------------------------------------------------------------------------- Jan 'Bulb' Hudec <bulb@ucw.cz>
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