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Date:   Sat, 4 Jul 2020 17:30:08 +0800
From:   Baoquan He <bhe@...hat.com>
To:     John Ogness <john.ogness@...utronix.de>
Cc:     Petr Mladek <pmladek@...e.com>,
        Andrea Parri <parri.andrea@...il.com>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Paul McKenney <paulmck@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        kexec@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH v3 1/3] crash: add VMCOREINFO macro to define offset in a
 struct declared by typedef

On 06/18/20 at 04:55pm, John Ogness wrote:
> The existing macro VMCOREINFO_OFFSET() can't be used for structures
> declared via typedef because "struct" is not part of type definition.
> 
> Create another macro for this purpose.
> 
> Signed-off-by: John Ogness <john.ogness@...utronix.de>
> ---
>  include/linux/crash_core.h | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/include/linux/crash_core.h b/include/linux/crash_core.h
> index 525510a9f965..43b51c9df571 100644
> --- a/include/linux/crash_core.h
> +++ b/include/linux/crash_core.h
> @@ -53,6 +53,9 @@ phys_addr_t paddr_vmcoreinfo_note(void);
>  #define VMCOREINFO_OFFSET(name, field) \
>  	vmcoreinfo_append_str("OFFSET(%s.%s)=%lu\n", #name, #field, \
>  			      (unsigned long)offsetof(struct name, field))
> +#define VMCOREINFO_TYPE_OFFSET(name, field) \
> +	vmcoreinfo_append_str("OFFSET(%s.%s)=%lu\n", #name, #field, \
> +			      (unsigned long)offsetof(name, field))

Acked-by: Baoquan He <bhe@...hat.com>

>  #define VMCOREINFO_LENGTH(name, value) \
>  	vmcoreinfo_append_str("LENGTH(%s)=%lu\n", #name, (unsigned long)value)
>  #define VMCOREINFO_NUMBER(name) \
> -- 
> 2.20.1
> 
> 
> _______________________________________________
> kexec mailing list
> kexec@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/kexec
> 

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