Re: [dpdk-dev] [PATCH] igb_uio: fail and log if kernel lock down is enabled

2018-05-22 Thread Ferruh Yigit
On 5/17/2018 8:49 PM, Neil Horman wrote: > On Thu, May 17, 2018 at 07:39:12AM -0700, Stephen Hemminger wrote: >> On Thu, 17 May 2018 14:23:46 +0100 >> Ferruh Yigit wrote: >> >>> On 5/16/2018 12:47 PM, Neil Horman wrote: On Tue, May 15, 2018 at 05:56:12PM +0100, Ferruh Yigit wrote: > Whe

Re: [dpdk-dev] [PATCH] igb_uio: fail and log if kernel lock down is enabled

2018-05-17 Thread Neil Horman
On Thu, May 17, 2018 at 07:39:12AM -0700, Stephen Hemminger wrote: > On Thu, 17 May 2018 14:23:46 +0100 > Ferruh Yigit wrote: > > > On 5/16/2018 12:47 PM, Neil Horman wrote: > > > On Tue, May 15, 2018 at 05:56:12PM +0100, Ferruh Yigit wrote: > > >> When EFI secure boot is enabled, it is possibl

Re: [dpdk-dev] [PATCH] igb_uio: fail and log if kernel lock down is enabled

2018-05-17 Thread Stephen Hemminger
On Thu, 17 May 2018 14:23:46 +0100 Ferruh Yigit wrote: > On 5/16/2018 12:47 PM, Neil Horman wrote: > > On Tue, May 15, 2018 at 05:56:12PM +0100, Ferruh Yigit wrote: > >> When EFI secure boot is enabled, it is possible to lock down kernel and > >> prevent accessing device BARs and this makes igb

Re: [dpdk-dev] [PATCH] igb_uio: fail and log if kernel lock down is enabled

2018-05-17 Thread Ferruh Yigit
On 5/16/2018 12:47 PM, Neil Horman wrote: > On Tue, May 15, 2018 at 05:56:12PM +0100, Ferruh Yigit wrote: >> 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

Re: [dpdk-dev] [PATCH] igb_uio: fail and log if kernel lock down is enabled

2018-05-16 Thread Neil Horman
On Tue, May 15, 2018 at 05:56:12PM +0100, Ferruh Yigit wrote: > 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

Re: [dpdk-dev] [PATCH] igb_uio: fail and log if kernel lock down is enabled

2018-05-16 Thread Luca Boccassi
On Wed, 2018-05-16 at 10:45 +0100, Ferruh Yigit wrote: > On 5/15/2018 6:47 PM, Luca Boccassi wrote: > > On Tue, 2018-05-15 at 17:56 +0100, Ferruh Yigit wrote: > > > When EFI secure boot is enabled, it is possible to lock down > > > kernel > > > and > > > prevent accessing device BARs and this makes

Re: [dpdk-dev] [PATCH] igb_uio: fail and log if kernel lock down is enabled

2018-05-16 Thread Ferruh Yigit
On 5/15/2018 7:52 PM, Stephen Hemminger wrote: > On Tue, 15 May 2018 17:56:12 +0100 > Ferruh Yigit wrote: > >> When EFI secure boot is enabled, it is possible to lock down kernel and >> prevent accessing device BARs and this makes igb_uio unusable. > > This distro specific (and not upstream) stu

Re: [dpdk-dev] [PATCH] igb_uio: fail and log if kernel lock down is enabled

2018-05-16 Thread Ferruh Yigit
On 5/15/2018 6:47 PM, Luca Boccassi wrote: > On Tue, 2018-05-15 at 17:56 +0100, Ferruh Yigit wrote: >> 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 ker

Re: [dpdk-dev] [PATCH] igb_uio: fail and log if kernel lock down is enabled

2018-05-15 Thread Stephen Hemminger
On Tue, 15 May 2018 17:56:12 +0100 Ferruh Yigit wrote: > When EFI secure boot is enabled, it is possible to lock down kernel and > prevent accessing device BARs and this makes igb_uio unusable. This distro specific (and not upstream) stuff in igb_uio is getting to be a significantly ugly. Can th

Re: [dpdk-dev] [PATCH] igb_uio: fail and log if kernel lock down is enabled

2018-05-15 Thread Luca Boccassi
On Tue, 2018-05-15 at 17:56 +0100, Ferruh Yigit wrote: > 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 distr

[dpdk-dev] [PATCH] igb_uio: fail and log if kernel lock down is enabled

2018-05-15 Thread 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 intentio