Date: Mon, 25 Jul 2005 17:13:40 -0600 From: Scott Long <scottl@samsco.org> To: kamalp@acm.org Cc: Felix-KM@yandex.ru, freebsd-hackers@freebsd.org Subject: Re: how to use the function copyout() Message-ID: <42E57224.4090800@samsco.org> In-Reply-To: <20050725130528.59033.qmail@web52709.mail.yahoo.com> References: <20050725130528.59033.qmail@web52709.mail.yahoo.com>
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Kamal R. Prasad wrote: > Im not sure of the bug in your code, but you have got > to assume that copyout() would fail if the user/kernel > addr passed to it is not accessible. > > regards > -kamal > The whole point of copyin and copyout is to deal with copying to and from user virtual memory that might not be paged in at the moment. Your statement thus makes little sense. Scott
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