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From: Thomas Monjalon <thomas@monjalon.net>
To: Ferruh Yigit <ferruh.yigit@intel.com>
Cc: dev@dpdk.org,
	Christian Ehrhardt <christian.ehrhardt@canonical.com>,
	Luca Boccassi <bluca@debian.org>,
	Maxime Coquelin <maxime.coquelin@redhat.com>,
	Neil Horman <nhorman@tuxdriver.com>,
	Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [PATCH v3] igb_uio: fail and log if kernel lock down is enabled
Date: Wed, 27 Jun 2018 16:39:01 +0200	[thread overview]
Message-ID: <17193107.8HUzy7Nv4o@xps> (raw)
In-Reply-To: <20180516144220.21235-1-ferruh.yigit@intel.com>

16/05/2018 16:42, Ferruh Yigit:
> When EFI secure boot is enabled, it is possible to lock down kernel and
> prevent accessing device BARs and this makes igb_uio unusable.
> 
> Lock down patches are not part of the vanilla kernel but they are
> applied and used by some distros already [1].
> 
> It is not possible to fix this issue, but intention of this patch is to
> detect and log if kernel lock down enabled and don't insert the module
> for that case.
> 
> The challenge is since this feature enabled by distros, they have
> different config options and APIs for it. This patch is done based on
> Fedora and Ubuntu kernel source, may needs to add more distro specific
> support.
> 
> [1]
> kernel.ubuntu.com/git/ubuntu/ubuntu-artful.git/commit/?id=99f9ef18d5b6
> And a few more patches to
> 
> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
> Acked-by: Luca Boccassi <bluca@debian.org>

Applied, thanks

  parent reply	other threads:[~2018-06-27 14:39 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-15 16:56 [PATCH] igb_uio: fail and log if kernel lock down is enabled Ferruh Yigit
2018-05-15 17:47 ` Luca Boccassi
2018-05-16  9:45   ` Ferruh Yigit
2018-05-16  9:56     ` Luca Boccassi
2018-05-15 18:52 ` Stephen Hemminger
2018-05-16  9:53   ` Ferruh Yigit
2018-05-16 10:18 ` [PATCH v2] " Ferruh Yigit
2018-05-16 10:50   ` Luca Boccassi
2018-05-16 14:42   ` [PATCH v3] " Ferruh Yigit
2018-05-17 11:34     ` Neil Horman
2018-05-17 13:26       ` Ferruh Yigit
2018-05-17 18:16         ` Neil Horman
2018-06-27 14:39     ` Thomas Monjalon [this message]
2018-06-29  7:04     ` David Marchand
2018-06-29  9:35       ` Ferruh Yigit
2018-05-16 11:47 ` [PATCH] " Neil Horman
2018-05-17 13:23   ` Ferruh Yigit
2018-05-17 14:39     ` Stephen Hemminger
2018-05-17 19:49       ` Neil Horman
2018-05-22 15:23         ` Ferruh Yigit

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