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SubjectRe: [PATCH] pstore: fix crypto dependencies of 842/zstd compression
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In fast, there is no any failure while building or configuring on the 
newest codes.

The patch of commit 58eb5b670747 ("pstore: fix crypto dependencies")
makes the pstore itself select the crypto core if PSTORE_COMPRESS is
set. This fixes the dependence bug at all in my tests.
But this patch also turns the sub-options from 'bool' into 'tristate'.
It's ok, but makes sub-options different between deflate, lzo, lz4,
lz4hc and 842, zstd. So, my patch just keeps them in line.
How about to make all these sub-options as 'bool'? These compressions
are just function options but not module. Otherwise, it's not about
fixing crypto dependencies.

在 2018年12月13日 02:43, Kees Cook 写道:
> On Wed, Dec 12, 2018 at 12:24 AM liaoweixiong
> <liaoweixiong@allwinnertech.com> wrote:
>>
>> Reference to commit 58eb5b670747 ("pstore: fix crypto dependencies"),
>> which fixed crypto dependencies of deflate, lzo, lz4 and lz4hc
>> compression, but omitted 842 and newer compression zstd from
>> commit 1021bcf44d0e ("pstore: add zstd compression support")
>>
>> Signed-off-by: liaoweixiong <liaoweixiong@allwinnertech.com>
>
> Were you seeing build or config failures without this patch?
>
> -Kees
>
>> ---
>> fs/pstore/Kconfig | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/fs/pstore/Kconfig b/fs/pstore/Kconfig
>> index 0d19d19..7068f45 100644
>> --- a/fs/pstore/Kconfig
>> +++ b/fs/pstore/Kconfig
>> @@ -44,14 +44,14 @@ config PSTORE_LZ4HC_COMPRESS
>> This option enables LZ4HC (high compression) mode algorithm.
>>
>> config PSTORE_842_COMPRESS
>> - bool "842 compression"
>> + tristate "842 compression"
>> depends on PSTORE
>> select CRYPTO_842
>> help
>> This option enables 842 compression algorithm support.
>>
>> config PSTORE_ZSTD_COMPRESS
>> - bool "zstd compression"
>> + tristate "zstd compression"
>> depends on PSTORE
>> select CRYPTO_ZSTD
>> help
>> --
>> 1.9.1
>>
>
>

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