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

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Date:   Thu, 4 Jul 2019 22:26:07 +0800
From:   lijiang <lijiang@...hat.com>
To:     Jason Gunthorpe <jgg@...lanox.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
        "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Borislav Petkov <bp@...e.de>, Christoph Hellwig <hch@....de>
Subject: Re: linux-next: manual merge of the hmm tree with the tip tree


> 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
>