[PATCH 1/1] xen: pvblock: honor CONFIG_SYS_64BIT_LBA

Heinrich Schuchardt heinrich.schuchardt at canonical.com
Mon Jul 4 20:44:38 CEST 2022



On 7/4/22 14:19, Tom Rini wrote:
> On Sat, Jul 02, 2022 at 03:23:42PM +0200, Heinrich Schuchardt wrote:
> 
>> CONFIG_SYS_64BIT_LBA is defined in common.h and used to define the size of
>> lbaint_t in blk.h. On 32-bit system not including common.h first will lead
>> to differences in the size of lbaint_t between modules.
>>
>> common.h should always be the first include.
>>
>> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
>> ---
>>   cmd/pvblock.c         | 2 +-
>>   drivers/xen/pvblock.c | 2 +-
>>   2 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/cmd/pvblock.c b/cmd/pvblock.c
>> index 56ce8b18d5..ccdd6304af 100644
>> --- a/cmd/pvblock.c
>> +++ b/cmd/pvblock.c
>> @@ -5,8 +5,8 @@
>>    * XEN para-virtualized block device support
>>    */
>>   
>> -#include <blk.h>
>>   #include <common.h>
>> +#include <blk.h>
>>   #include <command.h>
>>   
>>   /* Current I/O Device */
>> diff --git a/drivers/xen/pvblock.c b/drivers/xen/pvblock.c
>> index c25c3ea4ff..c0a156fbf7 100644
>> --- a/drivers/xen/pvblock.c
>> +++ b/drivers/xen/pvblock.c
>> @@ -6,8 +6,8 @@
>>   
>>   #define LOG_CATEGORY UCLASS_PVBLOCK
>>   
>> -#include <blk.h>
>>   #include <common.h>
>> +#include <blk.h>
>>   #include <dm.h>
>>   #include <dm/device-internal.h>
>>   #include <malloc.h>
> 
> Did you find a problem here, by inspection?  If so, OK, I'll take this
> for master.  Otherwise, please drop common.h from the file and see what
> includes it needs directly, given that -next has the CONFIG symbol in
> question migrated to Kconfig and so solves the overall problem.
> 


You already merged
054de212cef6 ("disk: honor CONFIG_SYS_64BIT_LBA").
I looked for other uses of blk.h without prior inclusion of common.h.

Migration to Kconfig does not move the definition of 
CONFIG_SYS_64BIT_LBA into blk.h but keeps it in common.h. So the correct 
size of lbaint_t will still depend on including common.h.

Best regards

Heinrich


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