Messages in this thread | | | Date | Thu, 28 Jan 2021 09:11:58 -0800 | From | Moritz Fischer <> | Subject | Re: [PATCH v2] ACPI/IORT: Do not blindly trust DMA masks from firmware |
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Hi Catalin,
On Wed, Jan 27, 2021 at 01:09:36PM +0000, Catalin Marinas wrote: > On Thu, 21 Jan 2021 17:24:19 -0800, Moritz Fischer wrote: > > Address issue observed on real world system with suboptimal IORT table > > where DMA masks of PCI devices would get set to 0 as result. > > > > iort_dma_setup() would query the root complex'/named component IORT > > entry for a DMA mask, and use that over the one the device has been > > configured with earlier. > > > > [...] > > Applied to arm64 (for-next/fixes), thanks! > > [1/1] ACPI/IORT: Do not blindly trust DMA masks from firmware > https://git.kernel.org/arm64/c/a1df829ead58 > > -- > Catalin >
Should we consider this for stable, too? If so I can send an email to stable@ once it's in Linus' tree, since I'm the one forgetting to CC stable in the first place :)
It would be nice if at least 5.10 would get this.
Cheers, Moritz
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