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From d6d5b443c82471818d43cb87c9280a0252e763e7 Mon Sep 17 00:00:00 2001
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From: Takao Indoh <indou.takao@jp.fujitsu.com>
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Date: Thu, 26 Oct 2017 20:32:48 +0900
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Subject: [PATCH 1/4] [PATCH v3 1/4] Support symbol __cpu_online_mask
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In the upstream kernel, by commit 5aec01b83 cpu_online_mask was replaced
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with macros and new variables __cpu_online_mask was added instead of it.
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Sadump uses cpu_online_mask to check the cpu was online or not,
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therefore it also need __cpu_online_mask symbol for this in the latest
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kernel.
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Signed-off-by: Takao Indoh <indou.takao@jp.fujitsu.com>
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Signed-off-by: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>
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---
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makedumpfile.c | 9 +++++++--
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makedumpfile.h | 1 +
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sadump_info.c | 3 ++-
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3 files changed, 10 insertions(+), 3 deletions(-)
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diff --git a/makedumpfile.c b/makedumpfile.c
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index 567ac5dc1f9e..5f2ca7d0fbc8 100644
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--- a/makedumpfile-1.6.2/makedumpfile.c
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+++ b/makedumpfile-1.6.2/makedumpfile.c
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@@ -1519,8 +1519,13 @@ get_symbol_info(void)
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SYMBOL_INIT(__per_cpu_load, "__per_cpu_load");
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SYMBOL_INIT(__per_cpu_offset, "__per_cpu_offset");
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SYMBOL_INIT(cpu_online_mask, "cpu_online_mask");
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- if (SYMBOL(cpu_online_mask) == NOT_FOUND_SYMBOL)
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- SYMBOL_INIT(cpu_online_mask, "cpu_online_map");
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+ SYMBOL_INIT(__cpu_online_mask, "__cpu_online_mask");
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+ if (SYMBOL(cpu_online_mask) == NOT_FOUND_SYMBOL) {
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+ if (SYMBOL(__cpu_online_mask) == NOT_FOUND_SYMBOL)
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+ SYMBOL_INIT(cpu_online_mask, "cpu_online_map");
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+ else
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+ SYMBOL_INIT(cpu_online_mask, "__cpu_online_mask");
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+ }
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SYMBOL_INIT(kexec_crash_image, "kexec_crash_image");
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SYMBOL_INIT(node_remap_start_vaddr, "node_remap_start_vaddr");
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SYMBOL_INIT(node_remap_end_vaddr, "node_remap_end_vaddr");
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diff --git a/makedumpfile.h b/makedumpfile.h
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index f4ba02d11f09..704a6bc2f8f4 100644
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--- a/makedumpfile-1.6.2/makedumpfile.h
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+++ b/makedumpfile-1.6.2/makedumpfile.h
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@@ -1596,6 +1596,7 @@ struct symbol_table {
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unsigned long long __per_cpu_offset;
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unsigned long long __per_cpu_load;
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unsigned long long cpu_online_mask;
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+ unsigned long long __cpu_online_mask;
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unsigned long long kexec_crash_image;
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/*
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diff --git a/sadump_info.c b/sadump_info.c
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index 257f1be5e686..7dd22e704234 100644
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--- a/makedumpfile-1.6.2/sadump_info.c
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+++ b/makedumpfile-1.6.2/sadump_info.c
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@@ -953,7 +953,8 @@ cpu_online_mask_init(void)
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return FALSE;
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}
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- if (SIZE(cpumask) == NOT_FOUND_STRUCTURE)
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+ if ((SIZE(cpumask) == NOT_FOUND_STRUCTURE) ||
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+ (SYMBOL(__cpu_online_mask) != NOT_FOUND_SYMBOL))
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cpu_online_mask_addr = SYMBOL(cpu_online_mask);
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else {
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--
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2.5.5
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