From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4E982D79.7040308@domain.hid> Date: Fri, 14 Oct 2011 14:39:21 +0200 From: Jan Kiszka MIME-Version: 1.0 References: <4E981906.6020400@domain.hid> <4E982C40.4040704@domain.hid> In-Reply-To: <4E982C40.4040704@domain.hid> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Adeos-main] [PULL] 2.6.38-noarch: Re-add root preemption notifier List-Id: General discussion about Adeos List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gilles Chanteperdrix Cc: adeos-main , Philippe Gerum On 2011-10-14 14:34, Gilles Chanteperdrix wrote: > On 10/14/2011 01:12 PM, Jan Kiszka wrote: >> The following changes since commit 641d8e87531c6367a6357335378194ea06a23701: >> >> ipipe: Prevent unwritable pages after mprotect (2011-07-21 09:51:56 +0200) >> >> are available in the git repository at: >> git://git.kiszka.org/ipipe queues/2.6.38-noarch >> >> Jan Kiszka (1): >> ipipe: Re-add root preemption notifier >> >> include/linux/ipipe.h | 35 +++++++++++++++++++++++++++++++++++ >> include/linux/ipipe_base.h | 2 +- >> kernel/ipipe/core.c | 6 ++++++ >> 3 files changed, 42 insertions(+), 1 deletions(-) >> >> --- >> >> ipipe: Re-add root preemption notifier >> >> Restore the original root preemption notifiers, once added for 2.6.35 >> but then lost again on 2.6.36 merge. Unfortunately, the feature flag was >> not lost. So it became meaningless and we have to rename it to >> __IPIPE_FEATURE_ROOTPREEMPT_NOTIFIER. > > The I-pipe defines a generic infrastructure for events, why bypassing it? > Because - this is no kernel-to-ipipe event, but an ipipe-to-kernel (kvm) one - there is no relation to domains here - there is no relation to a shadow task here (the event is fired over a pure Linux task) Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux