[PATCH] ARM: multi_v7_defconfig: Enable dma-buf heaps

[PATCH] ARM: multi_v7_defconfig: Enable dma-buf heaps

[Maxime Ripard]

Now that the system and CMA heaps can be built as modules, enable both
as modules in the arm multi_v7_defconfig.

Suggested-by: Andrew Davis <afd@ti.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
---
 arch/arm/configs/multi_v7_defconfig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 2891eeba9032..3345a8eb8422 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -1073,10 +1073,13 @@ CONFIG_RZN1_DMAMUX=m
 CONFIG_RCAR_DMAC=y
 CONFIG_RENESAS_USB_DMAC=m
 CONFIG_STM32_DMA=y
 CONFIG_STM32_DMAMUX=y
 CONFIG_STM32_MDMA=y
+CONFIG_DMABUF_HEAPS=y
+CONFIG_DMABUF_HEAPS_SYSTEM=m
+CONFIG_DMABUF_HEAPS_CMA=m
 CONFIG_VIRTIO_PCI=y
 CONFIG_VIRTIO_MMIO=y
 CONFIG_STAGING=y
 CONFIG_MFD_NVEC=y
 CONFIG_KEYBOARD_NVEC=y
-- 
2.54.0

Re: [PATCH] ARM: multi_v7_defconfig: Enable dma-buf heaps

[Arnd Bergmann]

On Wed, May 27, 2026, at 10:41, Maxime Ripard wrote:
> Now that the system and CMA heaps can be built as modules, enable both
> as modules in the arm multi_v7_defconfig.
>
> Suggested-by: Andrew Davis <afd@ti.com>
> Signed-off-by: Maxime Ripard <mripard@kernel.org>

I'd like to wait until we have resolved the build regression
from the earlier patch[1][2]. I don't have a strong opinion on how
to resolve it, but at least for now Christoph is asking to have
your change reverted.

[1] https://lore.kernel.org/all/ahPqbfH54R3JJyaV@infradead.org/
[2] https://lore.kernel.org/all/eebe442e-eb5e-40db-b07a-f446c8f7c8db@kernel.org/

     Arnd