sys_shmat
From: zhonglei <hidden>
Date: 2005-09-26 07:45:07
hi: I get a pointer shramptr from sys_shmat(shid,0,SHM_R|SHM_W,&shramptr) to use share RAM in my driver. But when I assign a value into this pointer in my interrupt routine, the system shows: oops: kernel access of bad area! what's the problem? thanks zhonglei