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Subject[PATCH 0/5] Add dma-buf secure-heap
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Purpose of these patches is to add a new dma-buf heap: linaro,secure-heap
Linaro OPTEE OS Secure Data Path feature is relying on a reserved memory
defined at Linux Kernel level and OPTEE OS level.
From Linux Kernel side, heap management is using dma-buf heaps interface.

John Stultz (2):
ANDROID: dma-buf: heaps: Add deferred-free-helper library code
ANDROID: dma-buf: heaps: Add a shrinker controlled page pool

Olivier Masse (3):
dma-buf: heaps: add Linaro secure dmabuf heap support
dt-bindings: reserved-memory: add linaro,secure-heap
plat-hikey: Add linaro,secure-heap compatible

.../reserved-memory/linaro,secure-heap.yaml | 56 ++
.../arm64/boot/dts/hisilicon/hi6220-hikey.dts | 11 +
arch/arm64/configs/defconfig | 4 +
drivers/dma-buf/heaps/Kconfig | 19 +
drivers/dma-buf/heaps/Makefile | 3 +
drivers/dma-buf/heaps/deferred-free-helper.c | 136 ++++
drivers/dma-buf/heaps/deferred-free-helper.h | 63 ++
drivers/dma-buf/heaps/page_pool.c | 246 ++++++++
drivers/dma-buf/heaps/page_pool.h | 55 ++
drivers/dma-buf/heaps/secure_heap.c | 588 ++++++++++++++++++
10 files changed, 1181 insertions(+)
create mode 100644 Documentation/devicetree/bindings/reserved-memory/linaro,secure-heap.yaml
create mode 100644 drivers/dma-buf/heaps/deferred-free-helper.c
create mode 100644 drivers/dma-buf/heaps/deferred-free-helper.h
create mode 100644 drivers/dma-buf/heaps/page_pool.c
create mode 100644 drivers/dma-buf/heaps/page_pool.h
create mode 100644 drivers/dma-buf/heaps/secure_heap.c

--
2.25.0

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