From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Rosenberg Subject: Re: [PATCH] kptr_restrict for hiding kernel pointers from unprivileged users Date: Thu, 09 Dec 2010 07:46:41 -0500 Message-ID: <1291898801.2965.6.camel@Dan> References: <1291863926.2965.1.camel@Dan> <1291865039.2795.46.camel@edumazet-laptop> <1291895472.2965.4.camel@Dan> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, netdev To: Eric Dumazet Return-path: In-Reply-To: <1291895472.2965.4.camel@Dan> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org > > So caller can not block BH ? > > > > This seems wrong to me, please consider : > > > > normal process context : > > > > spin_lock_bh() ... > > > > for (...) > > {xxx}printf( ... "%pK" ...) > > > > spin_unlock_bh(); > > > > I will think about this and address it. Would you be happier if I omitted the in_interrupt() check entirely? -Dan