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64429b9e0e
tee: Improve support for kexec and kdump This fixes several bugs uncovered while exercising the OP-TEE, ftpm (firmware TPM), and tee_bnxt_fw (Broadcom BNXT firmware manager) drivers with kexec and kdump (emergency kexec) based workflows. * tag 'tee-kexec-fixes-for-v5.14' of git://git.linaro.org:/people/jens.wiklander/linux-tee: firmware: tee_bnxt: Release TEE shm, session, and context during kexec tpm_ftpm_tee: Free and unregister TEE shared memory during kexec tee: Correct inappropriate usage of TEE_SHM_DMA_BUF flag tee: add tee_shm_alloc_kernel_buf() optee: Clear stale cache entries during initialization optee: fix tee out of memory failure seen during kexec reboot optee: Refuse to load the driver under the kdump kernel optee: Fix memory leak when failing to register shm pages Link: https://lore.kernel.org/r/20210726081039.GA2482361@jade Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.