Following commit in kernel v4.5 changed struct module, which affects offset calculation of core layout's base and size.
commit 7523e4dc5057e157212b4741abd6256e03404cf1 Author: Rusty Russell <[email protected]> Date: Thu Nov 26 09:44:08 2015 +1030 module: use a structure to encapsulate layout. This patch fixes makedumpfile code to cater above kernel modification. Signed-off-by: Pratyush Anand <[email protected]> --- makedumpfile.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/makedumpfile.c b/makedumpfile.c index 94c969c16ccc..12227ea1fbd8 100644 --- a/makedumpfile.c +++ b/makedumpfile.c @@ -1669,7 +1669,25 @@ get_structure_info(void) OFFSET_INIT(module.list, "module", "list"); OFFSET_INIT(module.name, "module", "name"); OFFSET_INIT(module.module_core, "module", "module_core"); + if (OFFSET(module.module_core) == NOT_FOUND_STRUCTURE) { + /* for kernel version 4.5 and above */ + long core_layout; + + OFFSET_INIT(module.module_core, "module", "core_layout"); + core_layout = OFFSET(module.module_core); + OFFSET_INIT(module.module_core, "module_layout", "base"); + OFFSET(module.module_core) += core_layout; + } OFFSET_INIT(module.core_size, "module", "core_size"); + if (OFFSET(module.core_size) == NOT_FOUND_STRUCTURE) { + /* for kernel version 4.5 and above */ + long core_layout; + + OFFSET_INIT(module.core_size, "module", "core_layout"); + core_layout = OFFSET(module.core_size); + OFFSET_INIT(module.core_size, "module_layout", "size"); + OFFSET(module.core_size) += core_layout; + } OFFSET_INIT(module.module_init, "module", "module_init"); OFFSET_INIT(module.init_size, "module", "init_size"); -- 2.5.0 _______________________________________________ kexec mailing list [email protected] http://lists.infradead.org/mailman/listinfo/kexec
