From: "David S. Miller" <davem@redhat.com>
To: arvind_gopalan@yahoo.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: 4 byte mem alignment
Date: Sat, 28 Sep 2002 23:23:26 -0700 (PDT) [thread overview]
Message-ID: <20020928.232326.43409659.davem@redhat.com> (raw)
In-Reply-To: <20020929062646.97364.qmail@web14606.mail.yahoo.com>
From: Arvind Gopalan <arvind_gopalan@yahoo.com>
Date: Sat, 28 Sep 2002 23:26:46 -0700 (PDT)
how strong the requirements are for copy_to_user().
does it fault to byte-by-byte mode gracefully when
given a non-4byte aligned buffer?.
The x86 processor handles unaligned memory accesses in hw.
On any platform, copy_to_user() must handle any user and kernel buffer
alignment.
next prev parent reply other threads:[~2002-09-29 6:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-29 6:26 Arvind Gopalan
2002-09-29 6:23 ` David S. Miller [this message]
2002-09-29 7:00 ` Arvind Gopalan
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