DPAA2 triggers, [PATCH] dma debug: report -EEXIST errors in add_dma_entry

+DPAA2, netdev maintainers Hi, On 5/18/21 7:54 AM, Hamza Mahfooz wrote: Since, overlapping mappings are not supported by the DMA API we should report an error if active_cacheline_insert returns -EEXIST. It seems this patch found a victim. I was trying to run iperf3 on a honeycomb (5.14.0,

Re: [PATCH v4 0/7] arm64: Default to 32-bit wide ZONE_DMA

, with Ard's IORT patch. Nothing seems to have regressed. Thanks, Tested-by: Jeremy Linton --- Changes since v3: - Drop patch adding define in dma-mapping - Address small review changes - Update Ard's patch - Add new patch removing examples from mmzone.h Changes since v2: - Introduce

Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711

On 10/8/20 2:43 PM, Ard Biesheuvel wrote: (+ Lorenzo) On Thu, 8 Oct 2020 at 12:14, Catalin Marinas wrote: On Thu, Oct 08, 2020 at 12:05:25PM +0200, Nicolas Saenz Julienne wrote: On Fri, 2020-10-02 at 12:55 +0100, Catalin Marinas wrote: On Thu, Oct 01, 2020 at 07:31:19PM +0200, Nicolas

Re: [PATCH 0/4] dma-pool: Fix atomic pool selection

Hi, I have merged this to a 5.8 tree along with "dma-pool: Only allocate from CMA when in the same memory zone" and tested it in various ACPI/DT combinations, particularly on the RPI4. It seems to be working fine. So thanks for your time and effort clearing this up! Tested-

Re: [PATCH] dma-pool: Only allocate from CMA when in same memory zone

Hi, I have merged this to a 5.8 tree along with "dma-pool: Fix atomic pool selection" and tested it in various ACPI/DT combinations, particularly on the RPI4. It seems to be working fine. So thanks for your time and effort clearing this up! tested-by: Jeremy Linton On 7/10/

Re: [PATCH] dma-pool: use single atomic pool for both DMA zones

accessible memory while having the flexibility of using dma_pool_kernel for the non constrained ones. With the follow-on patch "dma-pool: Do not allocate pool memory from CMA" everything seems to be working fine now. tested-by: Jeremy Linton Thanks for fixing this! Fixes: c84dc6e6

Re: [PATCH] dma-pool: Do not allocate pool memory from CMA

o map to gfp mask") Reported-by: Jeremy Linton Signed-off-by: Nicolas Saenz Julienne --- With this patch and https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg2226971.html the machine appears to be working fine with/without CMA and in both DT/ACPI mode. The JBOD/etc I

Re: [PATCH] dma-pool: use single atomic pool for both DMA zones

Hi, On 7/8/20 5:35 AM, Nicolas Saenz Julienne wrote: Hi Jim, On Tue, 2020-07-07 at 17:08 -0500, Jeremy Linton wrote: Hi, I spun this up on my 8G model using the PFTF firmware from: https://github.com/pftf/RPi4/releases Which allows me to switch between ACPI/DT on the machine. In DT mode

Re: [PATCH] dma-pool: use single atomic pool for both DMA zones

accessible memory while having the flexibility of using dma_pool_kernel for the non constrained ones. Fixes: c84dc6e68a1d ("dma-pool: add additional coherent pools to map to gfp mask") Reported-by: Jeremy Linton Suggested-by: Robin Murphy Signed-off-by: Nicolas Saenz Julienne ---