On Wed, 27 Jan 2016 14:48:31 +0300 Dmitry Safonov <dsafonov at virtuozzo.com> wrote: > For allocation of kimage failure or kexec_prepare or load segments > errors there is no need to keep crashkernel memory mapped. > It will affect only s390 as map/unmap hook defined only for it. > As on unmap s390 also changes os_info structure let's check return code > and add info only on success. > This conflicts (both mechanically and somewhat conceptually) with Xunlei Pang's "kexec: Introduce a protection mechanism for the crashkernel reserved memory" and "kexec: provide arch_kexec_protect(unprotect)_crashkres()". http://ozlabs.org/~akpm/mmots/broken-out/kexec-introduce-a-protection-mechanism-for-the-crashkernel-reserved-memory.patch http://ozlabs.org/~akpm/mmots/broken-out/kexec-introduce-a-protection-mechanism-for-the-crashkernel-reserved-memory-v4.patch and http://ozlabs.org/~akpm/mmots/broken-out/kexec-provide-arch_kexec_protectunprotect_crashkres.patch http://ozlabs.org/~akpm/mmots/broken-out/kexec-provide-arch_kexec_protectunprotect_crashkres-v4.patch so can we please sort all that out?
