linux-kernel - Re: [PATCH v5 4/6] partitions/efi: Support GPT entry lookup at a non-standard location

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Message-ID: <595392b8-d950-4be6-f6cf-e274b4760b94@gmail.com>
Date:   Sat, 16 May 2020 19:50:24 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Randy Dunlap <rdunlap@...radead.org>, Jens Axboe <axboe@...nel.dk>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Michał Mirosław <mirq-linux@...e.qmqm.pl>,
        David Heidelberg <david@...t.cz>,
        Peter Geis <pgwipeout@...il.com>,
        Stephen Warren <swarren@...dotorg.org>,
        Nicolas Chauvet <kwizart@...il.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Billy Laws <blaws05@...il.com>,
        Nils Östlund <nils@...tan.com>,
        Christoph Hellwig <hch@...radead.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Davidlohr Bueso <dave@...olabs.net>
Cc:     linux-tegra@...r.kernel.org, linux-block@...r.kernel.org,
        Andrey Danin <danindrey@...l.ru>,
        Gilles Grandou <gilles@...ndou.net>,
        Ryan Grachek <ryan@...ted.us>, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org, Steve McIntyre <steve@...val.com>,
        linux-efi <linux-efi@...r.kernel.org>
Subject: Re: [PATCH v5 4/6] partitions/efi: Support GPT entry lookup at a
 non-standard location

16.05.2020 18:51, Randy Dunlap пишет:
> On 5/16/20 8:36 AM, Dmitry Osipenko wrote:
>> diff --git a/block/partitions/efi.c b/block/partitions/efi.c
>> index b64bfdd4326c..3af4660bc11f 100644
>> --- a/block/partitions/efi.c
>> +++ b/block/partitions/efi.c
>> @@ -621,6 +621,14 @@ static int find_valid_gpt(struct parsed_partitions *state, gpt_header **gpt,
>>          if (!good_agpt && force_gpt)
>>                  good_agpt = is_gpt_valid(state, lastlba, &agpt, &aptes);
>>  
>> +	/* The force_gpt_sector is used by NVIDIA Tegra partition parser in
>> +	 * order to convey a non-standard location of the GPT entry for lookup.
>> +	 * By default force_gpt_sector is set to 0 and has no effect.
>> +	 */
> 
> Please fix the multi-line comment format as described in
> Documentation/process/coding-style.rst.
> 
>> +	if (!good_agpt && force_gpt && state->force_gpt_sector)
>> +		good_agpt = is_gpt_valid(state, state->force_gpt_sector,
>> +					 &agpt, &aptes);
>> +
>>          /* The obviously unsuccessful case */
>>          if (!good_pgpt && !good_agpt)
>>                  goto fail;
> 
> thanks.
> 

Hello Randy,

I know that it's not a proper kernel-style formatting, but that's the
style used by the whole efi.c source code and I wanted to maintain the
same style, for consistency. Of course I can change to a proper style if
it's more desirable than the consistency. Thank you for the comment!