[Makedumpfile PATCH v2] x86_64: Take care of init_level4_pgt rename in kernel

[Atsushi Kumagai]

Hello Pratyush,

>Following commit renamed init_level4_pgt to init_top_pgt in kernel.
>
>commit 65ade2f872b474fa8a04c2d397783350326634e6
>Author: Kirill A. Shutemov <kirill.shutemov at linux.intel.com>
>Date:   Tue Jun 6 14:31:27 2017 +0300
>
>    x86/boot/64: Rename init_level4_pgt and early_level4_pgt
>
>This patch takes care of above kernel modification in makedumpfile.
>
>Signed-off-by: Pratyush Anand <panand at redhat.com>
>---
>v2 -> v1
>Removed redundant 'if condition' for WRITE_SYMBOL().

Thanks, I'll merge this version into v1.6.3.

Regards,
Atsushi Kumagai

> makedumpfile.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
>diff --git a/makedumpfile.c b/makedumpfile.c
>index f85003a33551..30230a15a2e7 100644
>--- a/makedumpfile.c
>+++ b/makedumpfile.c
>@@ -1486,6 +1486,8 @@ get_symbol_info(void)
> 	SYMBOL_INIT(_stext, "_stext");
> 	SYMBOL_INIT(swapper_pg_dir, "swapper_pg_dir");
> 	SYMBOL_INIT(init_level4_pgt, "init_level4_pgt");
>+	if (SYMBOL(init_level4_pgt) == NOT_FOUND_SYMBOL)
>+		SYMBOL_INIT(init_level4_pgt, "init_top_pgt");
> 	SYMBOL_INIT(vmlist, "vmlist");
> 	SYMBOL_INIT(vmap_area_list, "vmap_area_list");
> 	SYMBOL_INIT(node_online_map, "node_online_map");
>@@ -2500,6 +2502,8 @@ read_vmcoreinfo(void)
> 	READ_SYMBOL("_stext", _stext);
> 	READ_SYMBOL("swapper_pg_dir", swapper_pg_dir);
> 	READ_SYMBOL("init_level4_pgt", init_level4_pgt);
>+	if (SYMBOL(init_level4_pgt) == NOT_FOUND_SYMBOL)
>+		READ_SYMBOL("init_top_pgt", init_level4_pgt);
> 	READ_SYMBOL("vmlist", vmlist);
> 	READ_SYMBOL("vmap_area_list", vmap_area_list);
> 	READ_SYMBOL("node_online_map", node_online_map);
>--
>2.9.4
>