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SubjectRe: [PATCH v2 1/1] kdump: append uts_namespace.name offset to VMCOREINFO
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Hi, Alexander

在 2020年09月24日 20:46, Alexander Egorenkov 写道:
> The offset of the field 'init_uts_ns.name' has changed
> since
>
> commit 9a56493f6942c0e2df1579986128721da96e00d8
> Author: Kirill Tkhai <ktkhai@virtuozzo.com>
> Date: Mon Aug 3 13:16:21 2020 +0300
>
> uts: Use generic ns_common::count
>
> Link: https://lore.kernel.org/r/159644978167.604812.1773586504374412107.stgit@localhost.localdomain
>
> Make the offset of the field 'uts_namespace.name' available
> in VMCOREINFO because tools like 'crash-utility' and
> 'makedumpfile' must be able to read it from crash dumps.
>
> Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
> ---
> kernel/crash_core.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/kernel/crash_core.c b/kernel/crash_core.c
> index 106e4500fd53..173fdc261882 100644
> --- a/kernel/crash_core.c
> +++ b/kernel/crash_core.c
> @@ -447,6 +447,7 @@ static int __init crash_save_vmcoreinfo_init(void)
> VMCOREINFO_PAGESIZE(PAGE_SIZE);
>
> VMCOREINFO_SYMBOL(init_uts_ns);
> + VMCOREINFO_OFFSET(uts_namespace, name);

Since the new symbol is exported, would you mind adding it to Documentation/kdump/vmcoreinfo.txt ?

Thanks.
Lianbo
> VMCOREINFO_SYMBOL(node_online_map);
> #ifdef CONFIG_MMU
> VMCOREINFO_SYMBOL_ARRAY(swapper_pg_dir);
>

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