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From: Jesse T <>
To: Sergey Senozhatsky <>
Cc: Masahiro Yamada <>,
	Tomasz Figa <>,,,
	Randy Dunlap <>
Subject: Re: kconfig: list unknown symbols in the old .config
Date: Sat, 19 Aug 2023 15:54:12 -0400	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Sat, Aug 19, 2023 at 3:37 PM Sergey Senozhatsky
<> wrote:
> Hi,
> We recently were hit (unnecessarily hard) when after kernel uprev we
> figured that something wasn't working. The root cause was a rename of
> the CONFIG_FOO option between kernel releases, which make oldconfig
> doesn't warn/notify about.
> Would it be possible to add either a new --listunknown mode to conf or
> to somehow make it conf_warning("unknown symbol: %s\n", line) when it
> reads a line from oldconf that it cannot sym_find()?

This makes sense and I brought up this scenario a couple of days ago
on a recent patch.
I can make a patch for this if needed.

Jesse Taube

> That would save a ton of time.

  parent reply	other threads:[~2023-08-20  0:10 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-16 12:42 kconfig: list unknown symbols in the old .config Sergey Senozhatsky
2023-08-16 13:06 ` Sergey Senozhatsky
2023-08-19 19:54 ` Jesse T [this message]
2023-08-20  2:30   ` Sergey Senozhatsky

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