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authorVolodymyr Babchuk <vlad.babchuk@gmail.com>2017-11-29 15:48:33 +0300
committerJens Wiklander <jens.wiklander@linaro.org>2017-12-15 15:35:37 +0300
commit53a107c812de3dd74707458aa751eb457718ff9e (patch)
tree82eadb0852fe73f3583854aba6e220d7a68f7298 /drivers/clocksource/time-armada-370-xp.c
parent64cf9d8a672e770fed85a65b5c6767fc0aa1473b (diff)
downloadlinux-53a107c812de3dd74707458aa751eb457718ff9e.tar.xz
tee: optee: add registered buffers handling into RPC calls
With latest changes to OP-TEE we can use any buffers as a shared memory. Thus, it is possible for supplicant to provide part of own memory when OP-TEE asks to allocate a shared buffer. This patch adds support for such feature into RPC handling code. Now when OP-TEE asks supplicant to allocate shared buffer, supplicant can use TEE_IOC_SHM_REGISTER to provide such buffer. RPC handler is aware of this, so it will pass list of allocated pages to OP-TEE. Signed-off-by: Volodymyr Babchuk <vlad.babchuk@gmail.com> [jw: fix parenthesis alignment in free_pages_list()] Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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