From: "zhonglei" <zhonglei@RCS-9000.COM>
To: <linuxppc-dev@ozlabs.org>
Subject: sys_shmat
Date: Mon, 26 Sep 2005 15:48:03 +0800 [thread overview]
Message-ID: <200509261548.AA26280018@RCS-9000.COM> (raw)
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
next reply other threads:[~2005-09-26 7:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-26 7:48 zhonglei [this message]
2005-09-26 17:44 ` sys_shmat Brad Boyer
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