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From: Oleg Nesterov <>
To: Luc Van Oostenryck <>
Cc:, Alexey Gladkov <>
Subject: Re: [PATCH] dissect: use struct symbol::visited/inspected instead of ::examined/evaluated
Date: Wed, 29 Jul 2020 17:34:13 +0200
Message-ID: <> (raw)
In-Reply-To: <>

On 07/29, Luc Van Oostenryck wrote:
> The dissect client uses struct symbol's fields 'examined' & 'evaluated'
> to avoid reprocessing the same symbols. But these fields are used
> internally by sparse for type examination & evaluation and despite
> dissect not doing these operations explicitly, they can be done
> implicitly

Yes. For example, test_dissect.c calls show_typename() and this can
lead to examine/evaluate.

I didn't bother to fix this because test_dissect.c is the very basic
debugging tool.

> So, add a new field to struct symbol: 'inspected' and use it, as
> well as the existing 'visited', instead of 'evaluated' & 'examined'.

Thanks! Looks good to me.

> Note: when used on the kernel, this patch avoids a lot of warnings:
> 	"warning: r_member bad sym type=7 kind=0"
> 	"warning: r_member bad mem->kind = 0"
>       and creates substantially more normal output.

So this is test-dissect, sindex should be fine even without this patch.

Acked-by: Oleg Nesterov <>

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Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-29 14:51 Luc Van Oostenryck
2020-07-29 15:34 ` Oleg Nesterov [this message]
2020-07-29 15:48   ` Luc Van Oostenryck

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