Messages in this thread |  | | Subject | Re: [PATCH 0/4] dma-pool: Fix atomic pool selection | From | Jeremy Linton <> | Date | Fri, 10 Jul 2020 13:52:59 -0500 |
| |
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-by: Jeremy Linton <jeremy.linton@arm.com>
On 7/9/20 11:19 AM, Nicolas Saenz Julienne wrote: > This is my attempt at fixing one of the regressions we've seen[1] after > the introduction of per-zone atomic pools. > > This combined with "dma-pool: Do not allocate pool memory from CMA"[2] > should fix the boot issues on Jeremy's RPi4 setup. > > [1] https://lkml.org/lkml/2020/7/2/974 > [2] https://lkml.org/lkml/2020/7/8/1108 > > --- > > Nicolas Saenz Julienne (4): > dma-direct: Provide function to check physical memory area validity > dma-pool: Get rid of dma_in_atomic_pool() > dma-pool: Introduce dma_guess_pool() > dma-pool: Make sure atomic pool suits device > > include/linux/dma-direct.h | 1 + > kernel/dma/direct.c | 2 +- > kernel/dma/pool.c | 76 +++++++++++++++++++++++++++----------- > 3 files changed, 56 insertions(+), 23 deletions(-) >
|  |