Re: [PATCH] iommu: silence iommu group prints

2020-03-04 Thread Laurentiu Tudor
On 04.03.2020 12:52, Russell King - ARM Linux admin wrote: On Wed, Mar 04, 2020 at 12:33:14PM +0200, Laurentiu Tudor wrote: On 04.03.2020 12:07, Russell King - ARM Linux admin wrote: On Wed, Mar 04, 2020 at 11:56:53AM +0200, Laurentiu Tudor wrote: From

Re: [PATCH] iommu: silence iommu group prints

2020-03-04 Thread Russell King - ARM Linux admin
On Wed, Mar 04, 2020 at 12:33:14PM +0200, Laurentiu Tudor wrote: > > > On 04.03.2020 12:07, Russell King - ARM Linux admin wrote: > > On Wed, Mar 04, 2020 at 11:56:53AM +0200, Laurentiu Tudor wrote: > > > From 44ae46501b5379bd0890df87fd3827248626ed03 Mon Sep 17 00:00:00 2001 > > > From:

Re: [PATCH] iommu: silence iommu group prints

2020-03-04 Thread Laurentiu Tudor
On 04.03.2020 12:07, Russell King - ARM Linux admin wrote: On Wed, Mar 04, 2020 at 11:56:53AM +0200, Laurentiu Tudor wrote: From 44ae46501b5379bd0890df87fd3827248626ed03 Mon Sep 17 00:00:00 2001 From: Laurentiu Tudor Date: Tue, 1 Oct 2019 16:22:48 +0300 Subject: [PATCH 1/6] bus: fsl-mc:

Re: [PATCH] iommu: silence iommu group prints

2020-03-04 Thread Laurentiu Tudor
On 04.03.2020 11:51, Russell King - ARM Linux admin wrote: On Wed, Mar 04, 2020 at 11:42:16AM +0200, Laurentiu Tudor wrote: On 04.03.2020 11:33, Russell King - ARM Linux admin wrote: On Wed, Mar 04, 2020 at 10:56:06AM +0200, Laurentiu Tudor wrote: On 04.03.2020 00:17, Russell King - ARM

Re: [PATCH] iommu: silence iommu group prints

2020-03-04 Thread Russell King - ARM Linux admin
On Wed, Mar 04, 2020 at 11:56:53AM +0200, Laurentiu Tudor wrote: > From 44ae46501b5379bd0890df87fd3827248626ed03 Mon Sep 17 00:00:00 2001 > From: Laurentiu Tudor > Date: Tue, 1 Oct 2019 16:22:48 +0300 > Subject: [PATCH 1/6] bus: fsl-mc: make mc work with smmu disable bypass on > Content-Type:

Re: [PATCH] iommu: silence iommu group prints

2020-03-04 Thread Russell King - ARM Linux admin
On Wed, Mar 04, 2020 at 11:42:16AM +0200, Laurentiu Tudor wrote: > On 04.03.2020 11:33, Russell King - ARM Linux admin wrote: > > On Wed, Mar 04, 2020 at 10:56:06AM +0200, Laurentiu Tudor wrote: > > > > > > On 04.03.2020 00:17, Russell King - ARM Linux admin wrote: > > > > On Tue, Mar 03, 2020 at

Re: [PATCH] iommu: silence iommu group prints

2020-03-04 Thread Laurentiu Tudor
On 04.03.2020 11:33, Russell King - ARM Linux admin wrote: On Wed, Mar 04, 2020 at 10:56:06AM +0200, Laurentiu Tudor wrote: On 04.03.2020 00:17, Russell King - ARM Linux admin wrote: On Tue, Mar 03, 2020 at 05:55:05PM +0200, Laurentiu Tudor wrote: From

Re: [PATCH] iommu: silence iommu group prints

2020-03-04 Thread Russell King - ARM Linux admin
On Wed, Mar 04, 2020 at 10:56:06AM +0200, Laurentiu Tudor wrote: > > On 04.03.2020 00:17, Russell King - ARM Linux admin wrote: > > On Tue, Mar 03, 2020 at 05:55:05PM +0200, Laurentiu Tudor wrote: > > > From c98dc05cdd45ae923654f2427985bd28bcde4bb2 Mon Sep 17 00:00:00 2001 > > > From: Laurentiu

Re: [PATCH] iommu: silence iommu group prints

2020-03-04 Thread Laurentiu Tudor
On 04.03.2020 00:17, Russell King - ARM Linux admin wrote: On Tue, Mar 03, 2020 at 05:55:05PM +0200, Laurentiu Tudor wrote: From c98dc05cdd45ae923654f2427985bd28bcde4bb2 Mon Sep 17 00:00:00 2001 From: Laurentiu Tudor Date: Thu, 13 Feb 2020 11:59:12 +0200 Subject: [PATCH 1/4] bus: fsl-mc: add

Re: [PATCH] iommu: silence iommu group prints

2020-03-03 Thread Russell King - ARM Linux admin
On Tue, Mar 03, 2020 at 05:55:05PM +0200, Laurentiu Tudor wrote: > From c98dc05cdd45ae923654f2427985bd28bcde4bb2 Mon Sep 17 00:00:00 2001 > From: Laurentiu Tudor > Date: Thu, 13 Feb 2020 11:59:12 +0200 > Subject: [PATCH 1/4] bus: fsl-mc: add custom .dma_configure implementation > Content-Type:

Re: [PATCH] iommu: silence iommu group prints

2020-03-03 Thread Laurentiu Tudor
Hi Russell, On 03.03.2020 17:49, Russell King - ARM Linux admin wrote: On Tue, Mar 03, 2020 at 04:18:57PM +0200, Laurentiu Tudor wrote: On 28.02.2020 20:32, Robin Murphy wrote: [ +Laurentiu ] Hi Russell, Thanks for sharing a log, now I properly understand what's up... further comments at

Re: [PATCH] iommu: silence iommu group prints

2020-03-03 Thread Laurentiu Tudor
On 28.02.2020 20:32, Robin Murphy wrote: [ +Laurentiu ] Hi Russell, Thanks for sharing a log, now I properly understand what's up... further comments at the end (for context). On 28/02/2020 10:06 am, Russell King - ARM Linux admin wrote: On Fri, Feb 28, 2020 at 09:33:40AM +, John

Re: [PATCH] iommu: silence iommu group prints

2020-03-03 Thread Russell King - ARM Linux admin
On Tue, Mar 03, 2020 at 04:18:57PM +0200, Laurentiu Tudor wrote: > > > On 28.02.2020 20:32, Robin Murphy wrote: > > [ +Laurentiu ] > > > > Hi Russell, > > > > Thanks for sharing a log, now I properly understand what's up... further > > comments at the end (for context). > > > > On 28/02/2020

Re: [PATCH] iommu: silence iommu group prints

2020-03-02 Thread Joerg Roedel
On Thu, Feb 27, 2020 at 11:57:52AM +, Russell King wrote: > On the LX2160A, there are lots (about 160) of IOMMU messages produced > during boot; this is excessive. Reduce the severity of these messages > to debug level. No, these messages are a very useful tool when it comes to debugging

RE: [PATCH] iommu: silence iommu group prints

2020-03-02 Thread Laurentiu Tudor
Hi Robin, > -Original Message- > From: Robin Murphy > Sent: Friday, February 28, 2020 8:32 PM > > [ +Laurentiu ] > > Hi Russell, > > Thanks for sharing a log, now I properly understand what's up... further > comments at the end (for context). > > On 28/02/2020 10:06 am, Russell King

Re: [PATCH] iommu: silence iommu group prints

2020-02-28 Thread Robin Murphy
[ +Laurentiu ] Hi Russell, Thanks for sharing a log, now I properly understand what's up... further comments at the end (for context). On 28/02/2020 10:06 am, Russell King - ARM Linux admin wrote: On Fri, Feb 28, 2020 at 09:33:40AM +, John Garry wrote: On 28/02/2020 02:16, Lu Baolu

Re: [PATCH] iommu: silence iommu group prints

2020-02-28 Thread Russell King - ARM Linux admin
On Fri, Feb 28, 2020 at 09:33:40AM +, John Garry wrote: > On 28/02/2020 02:16, Lu Baolu wrote: > > Hi, > > > > On 2020/2/27 19:57, Russell King wrote: > > > On the LX2160A, there are lots (about 160) of IOMMU messages produced > > > during boot; this is excessive.  Reduce the severity of

Re: [PATCH] iommu: silence iommu group prints

2020-02-28 Thread John Garry
On 28/02/2020 02:16, Lu Baolu wrote: Hi, On 2020/2/27 19:57, Russell King wrote: On the LX2160A, there are lots (about 160) of IOMMU messages produced during boot; this is excessive.  Reduce the severity of these messages to debug level. Signed-off-by: Russell King ---  

Re: [PATCH] iommu: silence iommu group prints

2020-02-27 Thread Lu Baolu
Hi, On 2020/2/27 19:57, Russell King wrote: On the LX2160A, there are lots (about 160) of IOMMU messages produced during boot; this is excessive. Reduce the severity of these messages to debug level. Signed-off-by: Russell King --- drivers/iommu/iommu.c | 4 ++-- 1 file changed, 2

Re: [PATCH] iommu: silence iommu group prints

2020-02-27 Thread Russell King - ARM Linux admin
On Thu, Feb 27, 2020 at 06:19:10PM +, Robin Murphy wrote: > On 27/02/2020 1:48 pm, Russell King - ARM Linux admin wrote: > > On Thu, Feb 27, 2020 at 01:44:56PM +, Robin Murphy wrote: > > > On 27/02/2020 11:57 am, Russell King wrote: > > > > On the LX2160A, there are lots (about 160) of

Re: [PATCH] iommu: silence iommu group prints

2020-02-27 Thread Robin Murphy
On 27/02/2020 1:48 pm, Russell King - ARM Linux admin wrote: On Thu, Feb 27, 2020 at 01:44:56PM +, Robin Murphy wrote: On 27/02/2020 11:57 am, Russell King wrote: On the LX2160A, there are lots (about 160) of IOMMU messages produced during boot; this is excessive. Reduce the severity of

Re: [PATCH] iommu: silence iommu group prints

2020-02-27 Thread Russell King - ARM Linux admin
On Thu, Feb 27, 2020 at 01:44:56PM +, Robin Murphy wrote: > On 27/02/2020 11:57 am, Russell King wrote: > > On the LX2160A, there are lots (about 160) of IOMMU messages produced > > during boot; this is excessive. Reduce the severity of these messages > > to debug level. > > That's... a lot.

Re: [PATCH] iommu: silence iommu group prints

2020-02-27 Thread Robin Murphy
On 27/02/2020 11:57 am, Russell King wrote: On the LX2160A, there are lots (about 160) of IOMMU messages produced during boot; this is excessive. Reduce the severity of these messages to debug level. That's... a lot. Does the system really have that many devices, or is some driver being