linux-kernel - Re: [PATCH v4 1/3] kbuild: allow symbol whitelisting with TRIM_UNUSED

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Message-ID: <20200217153023.GA71210@google.com>
Date:   Mon, 17 Feb 2020 15:30:23 +0000
From:   Quentin Perret <qperret@...gle.com>
To:     Matthias Maennich <maennich@...gle.com>
Cc:     masahiroy@...nel.org, nico@...xnic.net,
        linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org,
        kernel-team@...roid.com, jeyu@...nel.org, hch@...radead.org
Subject: Re: [PATCH v4 1/3] kbuild: allow symbol whitelisting with
 TRIM_UNUSED_KSYMS

On Monday 17 Feb 2020 at 15:22:01 (+0000), Matthias Maennich wrote:
> In case the whitelist file can't be found, the error message is
> 
>  cat: path/to/file: file not found
> 
> I wonder whether we can make this error message a bit more specific by
> telling the user that the KSYMS_WHITELIST is missing.

+1, that'd be really useful. I'll check the file existence in v5 (in a
POSIX-compliant way, I promise).

> With the above addressed (and your amend for the absolute path test),
> please feel free to add
> 
> Tested-by: Matthias Maennich <maennich@...gle.com>
> Reviewed-by: Matthias Maennich <maennich@...gle.com>

Thanks!
Quentin