From: Ralf Baechle <ralf@linux-mips.org>
To: kernel coder <lhrkernelcoder@gmail.com>
Cc: linux-mips@linux-mips.org
Subject: Re: Problem in "copy_to_user"
Date: Tue, 25 Oct 2005 10:03:49 +0100 [thread overview]
Message-ID: <20051025090349.GA4330@linux-mips.org> (raw)
In-Reply-To: <f69849430510242312j5e943bbcj4d1b50e0b236662a@mail.gmail.com>
On Mon, Oct 24, 2005 at 11:12:45PM -0700, kernel coder wrote:
> i'm trying to run oprofile on 2.6 kernel running on mips board.But
> when oprofile makes a system call to "sys_lookup_dcookie" function to
> find the file path of a particular sample,the function "copy_to_user"
> fails and no byte of path is copied to user sapce.
>
> I checked all combinations for source buffer like using array instead
> of pointer but no success.
> Please suggest me what might be the cause of failure.
This bug in the oprofile userspace tools was fixed about a week ago.
Ralf
prev parent reply other threads:[~2005-10-25 9:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-25 6:12 Problem in "copy_to_user" kernel coder
2005-10-25 9:03 ` Ralf Baechle [this message]
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