linux-kernel - Re: [PATCH 2/2] decompressors: make the default XZ_BCJ

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 16 Jan 2013 10:33:38 +0100
From:	Florian Fainelli <florian@...nwrt.org>
To:	Lasse Collin <lasse.collin@...aani.org>
CC:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] decompressors: make the default XZ_BCJ_* config match
 the selected architecture

On 01/15/2013 07:11 PM, Lasse Collin wrote:
> On 2013-01-15 Florian Fainelli wrote:
>> This patch changes the defautl XZ_BCJ_* config symbol to match the
>> configured architecture. It is perfectly legitimate to support
>> multiple XZ BCJ filters for different architectures (e.g.: to mount
>> foreign squashfs/xz compressed filesystems), it is however more
>> natural not to select them all by default, but only the one matching
>> the configured architecture.
> I don't have a strong opinion on what is the best default setting, so
> it's fine to me that the default is changed if that's what people
> prefer.

I think it does make sense to have the default match the configured 
architecture, as it is very likely going to be used for that purpose.

>
>>   config XZ_DEC_X86
>>   	bool "x86 BCJ filter decoder" if EXPERT
>> -	default y
>> +	default y if X86
>>   	select XZ_DEC_BCJ
> [...]
>
> I think the "if EXPERT" strings should be dropped when all BCJ filters
> aren't enabled by default. One should be able to enable all filters
> without enabling EXPERT.
Ok, this would probably be a third patch, since my two patches basically 
just modify what was already there, but I agree with you, even though 
EXPERT is enabled by default on most architectures and defconfigs.
--
Florian
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/