Re: [PATCH v3] partitions/efi: Fix partition name parsing in GUID partition entry

From: Nikolai Merinov
Date: Fri Mar 06 2020 - 03:43:16 EST


Hi Christoph,

Should I perform any other steps in order to get this change in the master?

Regards,
Nikolai

----- Original Message -----
> From: "hch" <hch@xxxxxxxxxxxxx>
> To: "n merinov" <n.merinov@xxxxxxxxxxxxxxxxxx>
> Cc: "hch" <hch@xxxxxxxxxxxxx>, "Davidlohr Bueso" <dave@xxxxxxxxxxxx>, "Jens Axboe" <axboe@xxxxxxxxx>, "Ard Biesheuvel"
> <ardb@xxxxxxxxxx>, "linux-efi" <linux-efi@xxxxxxxxxxxxxxx>, "linux-block" <linux-block@xxxxxxxxxxxxxxx>, "linux-kernel"
> <linux-kernel@xxxxxxxxxxxxxxx>
> Sent: Monday, February 24, 2020 10:08:13 PM
> Subject: Re: [PATCH v3] partitions/efi: Fix partition name parsing in GUID partition entry

> On Mon, Feb 24, 2020 at 01:38:39PM +0200, Nikolai Merinov wrote:
>> Hi Christoph,
>>
>> > I'd rather use plain __le16 and le16_to_cpu here. Also the be
>> > variants seems to be entirely unused.
>>
>> Looks like I misunderstood your comment from
>> https://patchwork.kernel.org/patch/11309223/:
>>
>> > Please add a an efi_char_from_cpu or similarly named helper
>> > to encapsulate this logic.
>>
>> The "le16_to_cpu(ptes[i].partition_name[label_count])" call is the
>> full implementation of the "efi_char_from_cpu" logic. Do you want
>> to encapsulate "utf16_le_to_7bit_string" logic entirely like in
>> the attached version?
>
> I think I though of just the inner loop, but your new version looks even
> better, so:
>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>