Hi Akashi, On Fri, Jan 11, 2019 at 3:29 PM AKASHI Takahiro <takahiro.akashi@xxxxxxxxxx> wrote: > > # @James, @Bhupesh > # Could you kindly test this patch, please? > # I'm not quite confident that I correctly merged my patch with, > # particularly, Bhupesh's recent change. I will give this a go at my end and come back with results/comments in a day or two. > In recent arm64 kernels, /proc/iomem has an extended file format like: > 40000000-5871ffff : System RAM > 41800000-426affff : Kernel code > 426b0000-42aaffff : reserved > 42ab0000-42c64fff : Kernel data > 54400000-583fffff : Crash kernel > 58590000-585effff : reserved > 58700000-5871ffff : reserved > 58720000-58b5ffff : reserved > 58b60000-5be3ffff : System RAM > 58b61000-58b61fff : reserved > 59a77000-59a77fff : reserved > 5be40000-5becffff : reserved > 5bed0000-5bedffff : System RAM > 5bee0000-5bffffff : reserved > 5c000000-5fffffff : System RAM > 5da00000-5e9fffff : reserved > 5ec00000-5edfffff : reserved > 5ef6a000-5ef6afff : reserved > 5ef6b000-5efcafff : reserved > 5efcd000-5efcffff : reserved > 5efd0000-5effffff : reserved > 5f000000-5fffffff : reserved > > where "reserved" entries can be an APCI table, UEFI related code or data, > and they are expected to be preserved across kexec'ing. > With this patch[1], kexec/kdump will be allowed to handle them properly. > > [1] https://git.linaro.org/people/takahiro.akashi/kexec-tools.git arm64/resv_mem > > AKASHI Takahiro (3): > kexec: add variant helper functions for handling memory regions > arm64: kexec: allocate memory space avoiding reserved regions > arm64: kdump: deal with a lot of resource entries in /proc/iomem > > kexec/arch/arm64/crashdump-arm64.c | 25 ++--- > kexec/arch/arm64/kexec-arm64.c | 146 +++++++++++++++++------------ > kexec/mem_regions.c | 42 +++++++++ > kexec/mem_regions.h | 7 ++ > 4 files changed, 146 insertions(+), 74 deletions(-) > > -- > 2.19.1 > Thanks, Bhupesh _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
