On Fri, 2020-11-13 at 11:22 -0800, Lakshmi Ramasubramanian wrote: > The function do_get_kexec_buffer(), defined in arch/powerpc/kexec/ima.c, > retrieves the address and size of the given property from the device > tree blob. This function does not have architecture specific code, but is > currently limited to powerpc. This function correctly handles a device > tree property that is a child node of the root node, but not anything > other than the immediate root child nodes. > > Define an architecture independent function, namely > get_ima_kexec_buffer(), in "drivers/of/ima_kexec.c". This function > retrieves the chosen node, namely "linux,ima-kexec-buffer", from Please remove the word "namely", here, and throughout the patch sets. > the device tree, and returns the address and size of the buffer used > for carrying forward the IMA measurement log across kexec system call. get_ima_kexec_buffer() inlines the existing do_get_kexec_buffer() and get_addr_size_cells() functions, leaving a local copy of get_addr_size_cells(). Duplicating code isn't a good idea. thanks, Mimi
