16 Mar
2021
16 Mar
'21
1:16 p.m.
Hi Huang,
On Thu, Mar 11, 2021 at 10:28:07PM +0800, Huang Rui wrote:
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index f0adbc48fd17..a08e885403b7 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -3862,7 +3862,7 @@ static int irq_remapping_select(struct irq_domain *d, struct irq_fwspec *fwspec, else if (x86_fwspec_is_hpet(fwspec)) devid = get_hpet_devid(fwspec->param[0]);
- if (devid < 0)
- if (devid < 0 || !amd_iommu_rlookup_table) return 0;
The problem is deeper than this fix suggests. I prepared other fixes for this particular problem. Please find them here:
https://git.kernel.org/pub/scm/linux/kernel/git/joro/linux.git/log/?h=iommu-...
Regards,
Joerg