linux-kernel - Re: [PATCH] pstore: add support for 64 Bit address space

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Message-ID: <5649C04C.8000406@nokia.com>
Date:	Mon, 16 Nov 2015 12:38:52 +0100
From:	Wladislav Wiebe <wladislav.wiebe@...ia.com>
To:	EXT Kees Cook <keescook@...omium.org>
Cc:	"anton@...msg.org" <anton@...msg.org>,
	"ccross@...roid.com" <ccross@...roid.com>,
	"tony.luck@...el.com" <tony.luck@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pstore: add support for 64 Bit address space


Am 14.11.2015 um 00:46 schrieb EXT Kees Cook:
> On Fri, Nov 13, 2015 at 4:10 AM, Wiebe, Wladislav (Nokia - DE/Ulm)
> <wladislav.wiebe@...ia.com> wrote:
>> Some architectures has there reserved RAM in 64 Bit address space.
>> Therefore converting mem_address module parameter to ullong.
>>
>> Signed-off-by: Wladislav Wiebe <wladislav.wiebe@...ia.com>
>
> If this works correctly, I have no objection. :)

I can confirm, it works fine :-)


Thanks!
- Wladislav Wiebe

>
> Acked-by: Kees Cook <keescook@...omium.org>
>
> Thanks!
>
> -Kees
>
>> ---
>>   fs/pstore/ram.c            |    4 ++--
>>   include/linux/pstore_ram.h |    2 +-
>>   2 files changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
>> index 319c3a6..bd9812e 100644
>> --- a/fs/pstore/ram.c
>> +++ b/fs/pstore/ram.c
>> @@ -55,8 +55,8 @@ static ulong ramoops_pmsg_size = MIN_MEM_SIZE;
>>   module_param_named(pmsg_size, ramoops_pmsg_size, ulong, 0400);
>>   MODULE_PARM_DESC(pmsg_size, "size of user space message log");
>>
>> -static ulong mem_address;
>> -module_param(mem_address, ulong, 0400);
>> +static unsigned long long mem_address;
>> +module_param(mem_address, ullong, 0400);
>>   MODULE_PARM_DESC(mem_address,
>>                  "start of reserved RAM used to store oops/panic logs");
>>
>> diff --git a/include/linux/pstore_ram.h b/include/linux/pstore_ram.h
>> index 9c9d6c1..4660aaa 100644
>> --- a/include/linux/pstore_ram.h
>> +++ b/include/linux/pstore_ram.h
>> @@ -76,7 +76,7 @@ ssize_t persistent_ram_ecc_string(struct persistent_ram_zone *prz,
>>
>>   struct ramoops_platform_data {
>>          unsigned long   mem_size;
>> -       unsigned long   mem_address;
>> +       phys_addr_t     mem_address;
>>          unsigned int    mem_type;
>>          unsigned long   record_size;
>>          unsigned long   console_size;
>> --
>> 1.7.1
>>
>> Regards,
>> Wladislav Wiebe
>>
>>
>
>
>

-- 
Regards,
Wladislav Wiebe
--
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