This is a note to let you know that I've just added the patch titled
parisc: parisc-agp requires SBA IOMMU driver
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
parisc-parisc-agp-requires-sba-iommu-driver.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 9054284e8846b0105aad43a4e7174ca29fffbc44 Mon Sep 17 00:00:00 2001
From: Helge Deller <deller@xxxxxx>
Date: Tue, 6 Apr 2021 11:32:52 +0200
Subject: parisc: parisc-agp requires SBA IOMMU driver
From: Helge Deller <deller@xxxxxx>
commit 9054284e8846b0105aad43a4e7174ca29fffbc44 upstream.
Add a dependency to the SBA IOMMU driver to avoid:
ERROR: modpost: "sba_list" [drivers/char/agp/parisc-agp.ko] undefined!
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Helge Deller <deller@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/char/agp/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/char/agp/Kconfig
+++ b/drivers/char/agp/Kconfig
@@ -125,7 +125,7 @@ config AGP_HP_ZX1
config AGP_PARISC
tristate "HP Quicksilver AGP support"
- depends on AGP && PARISC && 64BIT
+ depends on AGP && PARISC && 64BIT && IOMMU_SBA
help
This option gives you AGP GART support for the HP Quicksilver
AGP bus adapter on HP PA-RISC machines (Ok, just on the C8000
Patches currently in stable-queue which might be from deller@xxxxxx are
queue-4.19/parisc-avoid-a-warning-on-u8-cast-for-cmpxchg-on-u8-pointers.patch
queue-4.19/parisc-parisc-agp-requires-sba-iommu-driver.patch
