On Wed, Mar 17, 2021 at 05:10:34PM +0800, Joerg Roedel wrote:
> From: Joerg Roedel <jroe...@suse.de>
> 
> Hi,
> 
> it turned out that booting a kernel with amd_iommu=off on a machine
> that has an AMD IOMMU causes an early kernel crash. There are two
> reasons for this, and fixing one of them is already sufficient, but
> both reasons deserve fixing, which is done in this patch-set.
> 
> Regards,
> 
>       Joerg
> 
> Joerg Roedel (3):
>   iommu/amd: Move Stoney Ridge check to detect_ivrs()
>   iommu/amd: Don't call early_amd_iommu_init() when AMD IOMMU is
>     disabled
>   iommu/amd: Keep track of amd_iommu_irq_remap state

Series are Acked-by: Huang Rui <ray.hu...@amd.com>

> 
>  drivers/iommu/amd/init.c | 36 ++++++++++++++++++++----------------
>  1 file changed, 20 insertions(+), 16 deletions(-)
> 
> -- 
> 2.30.2
> 

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