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From c477b04aee34d4f4784c326ed715e91b2c43eb3e Mon Sep 17 00:00:00 2001
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From: HATAYAMA Daisuke <d.hatayama@fujitsu.com>
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Date: Thu, 9 Dec 2021 01:05:07 +0000
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Subject: [PATCH 2/3] defs.h: fix breakage of compatibility of struct
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machdep_table for extension modules
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Commit <2f967fb5ebd7> ("crash_taget: fetch_registers support") added new
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member get_cpu_reg in the middle of struct machdep_table, which breaks
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compatibility of struct machdep_table for extension modules. As the result,
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crash gcore command results in unexpected behavior, furthermore may cause
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segmentation fault.
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Fixes: 2f967fb5ebd7 ("crash_taget: fetch_registers support")
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Signed-off-by: HATAYAMA Daisuke <d.hatayama@fujitsu.com>
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---
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defs.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/defs.h b/defs.h
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index 7e2a16e34a59..7d3ed78fcd23 100644
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--- a/defs.h
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+++ b/defs.h
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@@ -1013,7 +1013,6 @@ struct machdep_table {
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ulong (*processor_speed)(void);
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int (*uvtop)(struct task_context *, ulong, physaddr_t *, int);
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int (*kvtop)(struct task_context *, ulong, physaddr_t *, int);
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- int (*get_cpu_reg)(int, int, const char *, int, void *);
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ulong (*get_task_pgd)(ulong);
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void (*dump_irq)(int);
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void (*get_stack_frame)(struct bt_info *, ulong *, ulong *);
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@@ -1063,6 +1062,7 @@ struct machdep_table {
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void (*get_irq_affinity)(int);
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void (*show_interrupts)(int, ulong *);
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int (*is_page_ptr)(ulong, physaddr_t *);
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+ int (*get_cpu_reg)(int, int, const char *, int, void *);
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};
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/*
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--
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2.30.2
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