linux-kernel - Re: [PATCH v2] gpu: drm: armada: Adding new typedef vm_fault

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Date:   Wed, 23 May 2018 15:09:28 +0530
From:   Souptick Joarder <jrdr.linux@...il.com>
To:     Russell King - ARM Linux <linux@...linux.org.uk>
Cc:     airlied@...ux.ie, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH v2] gpu: drm: armada: Adding new typedef vm_fault_t

On Wed, May 16, 2018 at 10:05 AM, Souptick Joarder <jrdr.linux@...il.com> wrote:
> On Fri, May 11, 2018 at 2:52 PM, Russell King - ARM Linux
> <linux@...linux.org.uk> wrote:
>> On Thu, May 10, 2018 at 08:34:48PM +0530, Souptick Joarder wrote:
>>> Use new return type vm_fault_t for fault handler in
>>> struct vm_operations_struct. For now, this is just
>>> documenting that the function returns a VM_FAULT
>>> value rather than an errno. Once all instances are
>>> converted, vm_fault_t will become a distinct type.
>>>
>>> commit 1c8f422059ae ("mm: change return type to vm_fault_t")
>>>
>>> Previously vm_insert_pfn() returns err which driver
>>> mapped into VM_FAULT_* type. The new function
>>> vmf_insert_pfn() will replace this inefficiency by
>>> returning VM_FAULT_* type.
>>>
>>> Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>
>>> Reviewed-by: Matthew Wilcox <mawilcox@...rosoft.com>
>>
>> Acked-by: Russell King <rmk+kernel@...linux.org.uk>
>>
>> Thanks.
>
> If no further comment, we would like to get this patch in queue
> for 4.18.

We would like to get this patch in queue
for 4.18.