Re: [PATCH v10 2/7] x86/boot: Copy kstrtoull() to compressed period

From: Chao Fan
Date: Tue Nov 06 2018 - 20:29:18 EST


On Tue, Nov 06, 2018 at 08:13:03PM +0100, Borislav Petkov wrote:
>On Mon, Oct 22, 2018 at 05:37:15PM +0800, Chao Fan wrote:
>> kstrtoull() lives in 'uncompressed' period, used to
>> convert a string to an unsigned long long.
>> Copy to 'compressed' so that we can use it to
>> convert the memory address from sting to unsigned
>
>sting?

oops, typo, string.
>
>> long long in 'compressed' period.
>>
>> Signed-off-by: Chao Fan <fanc.fnst@xxxxxxxxxxxxxx>
>> ---
>> arch/x86/boot/compressed/misc.c | 88 +++++++++++++++++++++++++++++++++
>> arch/x86/boot/compressed/misc.h | 4 ++
>> 2 files changed, 92 insertions(+)
>
>Why do you need to copy things?
>
>You can link that file into compressed/ as lib/kstrtox.c is a library or
>include it similar to what arch/x86/boot/compressed/cmdline.c does.
>
>Still better than copying the code.

I will have a try, thanks for your suggestion.

>
>> diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h
>> index 008fdc47a29c..40378408d980 100644
>> --- a/arch/x86/boot/compressed/misc.h
>> +++ b/arch/x86/boot/compressed/misc.h
>> @@ -63,6 +63,10 @@ static inline void debug_puthex(const char *s)
>>
>> #endif
>>
>> +#if (defined CONFIG_RANDOMIZE_BASE) && (defined CONFIG_RANDOMIZE_BASE)
>
>CONFIG_RANDOMIZE_BASE twice huh? Once not enough?

Sorry for that, the second should be CONFIG_MEMORY_HOTREMOVE.

Thanks,
Chao Fan

>
>:-)
>
>--
>Regards/Gruss,
> Boris.
>
>Good mailing practices for 400: avoid top-posting and trim the reply.
>
>