Re: linux-next: manual merge of the hmm tree with the tip tree

From: lijiang
Date: Thu Jul 04 2019 - 10:26:28 EST



> On Thu, Jul 04, 2019 at 07:03:52PM +1000, Stephen Rothwell wrote:
>> Hi all,
>>
>> Today's linux-next merge of the hmm tree got a conflict in:
>>
>> include/linux/ioport.h
>>
>> between commit:
>>
>> ae9e13d621d6 ("x86/e820, ioport: Add a new I/O resource descriptor IORES_DESC_RESERVED")
>> 5da04cc86d12 ("x86/mm: Rework ioremap resource mapping determination")
>>
>> from the tip tree and commit:
>>
>> 25b2995a35b6 ("mm: remove MEMORY_DEVICE_PUBLIC support")
>>
>> from the hmm tree.
>>
>> I fixed it up (see below) and can carry the fix as necessary. This
>> is now fixed as far as linux-next is concerned, but any non trivial
>> conflicts should be mentioned to your upstream maintainer when your tree
>> is submitted for merging. You may also want to consider cooperating
>> with the maintainer of the conflicting tree to minimise any particularly
>> complex conflicts.
>>
>> --
>> Cheers,
>> Stephen Rothwell
>>
>> diff --cc include/linux/ioport.h
>> index 5db386cfc2d4,a02b290ca08a..000000000000
>> --- a/include/linux/ioport.h
>> +++ b/include/linux/ioport.h
>> @@@ -133,16 -132,6 +133,15 @@@ enum
>> IORES_DESC_PERSISTENT_MEMORY = 4,
>> IORES_DESC_PERSISTENT_MEMORY_LEGACY = 5,
>> IORES_DESC_DEVICE_PRIVATE_MEMORY = 6,
>> - IORES_DESC_DEVICE_PUBLIC_MEMORY = 7,
>> - IORES_DESC_RESERVED = 8,
>> ++ IORES_DESC_RESERVED = 7,
>> +};

This change should be OK. Thanks.

Lianbo

>> +
>> +/*
>> + * Flags controlling ioremap() behavior.
>> + */
>> +enum {
>> + IORES_MAP_SYSTEM_RAM = BIT(0),
>> + IORES_MAP_ENCRYPTED = BIT(1),
>> };
>>
>> /* helpers to define resources */
>
> Looks OK to me, thanks
>
> Jason
>