linux-kernel - Re: [PATCH] powerpc: convert put_page() to put_user

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Message-ID: <eb413c9f-0328-271e-7599-a1c073504f1d@nvidia.com>
Date:   Wed, 7 Aug 2019 16:34:32 -0700
From:   John Hubbard <jhubbard@...dia.com>
To:     kbuild test robot <lkp@...el.com>, <john.hubbard@...il.com>
CC:     <kbuild-all@...org>, Andrew Morton <akpm@...ux-foundation.org>,
        Christoph Hellwig <hch@...radead.org>,
        Ira Weiny <ira.weiny@...el.com>, Jan Kara <jack@...e.cz>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Jerome Glisse <jglisse@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
        <linux-fsdevel@...r.kernel.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Christoph Hellwig <hch@....de>,
        Michael Ellerman <mpe@...erman.id.au>,
        <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH] powerpc: convert put_page() to put_user_page*()

On 8/7/19 4:24 PM, kbuild test robot wrote:
> Hi,
> 
> Thank you for the patch! Yet something to improve:
> 
> [auto build test ERROR on linus/master]
> [cannot apply to v5.3-rc3 next-20190807]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> 
> url:    https://github.com/0day-ci/linux/commits/john-hubbard-gmail-com/powerpc-convert-put_page-to-put_user_page/20190805-132131
> config: powerpc-allmodconfig (attached as .config)
> compiler: powerpc64-linux-gcc (GCC) 7.4.0
> reproduce:
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # save the attached .config to linux build tree
>         GCC_VERSION=7.4.0 make.cross ARCH=powerpc 
> 
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@...el.com>
> 
> All errors (new ones prefixed by >>):
> 
>    arch/powerpc/kvm/book3s_64_mmu_radix.c: In function 'kvmppc_book3s_instantiate_page':
>>> arch/powerpc/kvm/book3s_64_mmu_radix.c:879:4: error: too many arguments to function 'put_user_pages_dirty_lock'
>        put_user_pages_dirty_lock(&page, 1, dirty);
>        ^~~~~~~~~~~~~~~~~~~~~~~~~

Yep, I should have included the prerequisite patch. But this is obsolete now,
please refer to the larger patchset instead:

   https://lore.kernel.org/r/20190807013340.9706-1-jhubbard@nvidia.com

thanks,
-- 
John Hubbard
NVIDIA