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From: Baoquan He <bhe@redhat.com>
To: John Ogness <john.ogness@linutronix.de>
Cc: Petr Mladek <pmladek@suse.com>,
	Andrea Parri <parri.andrea@gmail.com>,
	Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
	Paul McKenney <paulmck@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
	Steven Rostedt <rostedt@goodmis.org>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH v3 1/3] crash: add VMCOREINFO macro to define offset in a struct declared by typedef
Date: Sat, 4 Jul 2020 17:30:08 +0800	[thread overview]
Message-ID: <20200704093008.GA23574@MiWiFi-R3L-srv> (raw)
In-Reply-To: <20200618144919.9806-2-john.ogness@linutronix.de>

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@linutronix.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@redhat.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@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/kexec
> 


  parent reply	other threads:[~2020-07-04  9:30 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-18 14:49 [PATCH v3 0/3] printk: replace ringbuffer John Ogness
2020-06-18 14:49 ` [PATCH v3 1/3] crash: add VMCOREINFO macro to define offset in a struct declared by typedef John Ogness
2020-06-24  8:49   ` Petr Mladek
2020-07-04  9:30   ` Baoquan He [this message]
2020-06-18 14:49 ` [PATCH v3 2/3] printk: add lockless ringbuffer John Ogness
2020-06-29 15:32   ` Paul E. McKenney
2020-07-02  8:35   ` Petr Mladek
2020-06-18 14:49 ` [PATCH v3 3/3] printk: use the " John Ogness
2020-06-18 18:23   ` kernel test robot
2020-06-18 18:23   ` [RFC PATCH] printk: _printk_rb_static_dict can be static kernel test robot
2020-06-19  6:49     ` John Ogness
2020-06-19 12:29       ` Steven Rostedt
2020-06-25  8:16   ` truncate dict: was: Re: [PATCH v3 3/3] printk: use the lockless ringbuffer Petr Mladek
2020-06-26 13:48     ` John Ogness
2020-06-25  8:28   ` buffer allocation: was: " Petr Mladek
2020-06-26 15:02     ` John Ogness
2020-06-29 14:04       ` Petr Mladek
2020-06-29 21:57         ` John Ogness
2020-07-02 13:27           ` Petr Mladek
2020-06-25 12:09   ` record_printk_text tricks: " Petr Mladek
2020-06-25 15:25     ` Petr Mladek
2020-06-26 23:25     ` John Ogness
2020-06-25 15:17   ` pending output optimization: " Petr Mladek
2020-07-01 19:58     ` John Ogness
2020-06-25 15:20   ` syslog size unread: " Petr Mladek
2020-06-29 21:51     ` John Ogness
2020-07-02  8:25   ` lijiang
2020-07-02  9:02     ` John Ogness
2020-07-02  9:43       ` lijiang
2020-07-02 13:31         ` Petr Mladek
2020-07-04  1:12           ` lijiang
2020-07-03 11:54         ` John Ogness
2020-07-08  5:50           ` lijiang
2020-06-25  7:19 ` [PATCH v3 0/3] printk: replace ringbuffer Dave Young
2020-06-25 14:13   ` John Ogness

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