From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
To: Christoph Hellwig <hch@lst.de>
Cc: Juergen Gross <jgross@suse.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Minchan Kim <minchan@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
intel-gfx@lists.freedesktop.org, x86@kernel.org,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
linux-mm@kvack.org, xen-devel@lists.xenproject.org,
Andrew Morton <akpm@linux-foundation.org>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Nitin Gupta <ngupta@vflare.org>
Subject: Re: [Intel-gfx] [PATCH 4/6] drm/i915: use vmap in i915_gem_object_map
Date: Wed, 23 Sep 2020 14:58:43 +0100 [thread overview]
Message-ID: <1a421e7f-6255-c534-5403-715c2e809bd0@linux.intel.com> (raw)
In-Reply-To: <20200923134117.GB9893@lst.de>
On 23/09/2020 14:41, Christoph Hellwig wrote:
> On Wed, Sep 23, 2020 at 10:52:33AM +0100, Tvrtko Ursulin wrote:
>>
>> On 18/09/2020 17:37, Christoph Hellwig wrote:
>>> i915_gem_object_map implements fairly low-level vmap functionality in
>>> a driver. Split it into two helpers, one for remapping kernel memory
>>> which can use vmap, and one for I/O memory that uses vmap_pfn.
>>>
>>> The only practical difference is that alloc_vm_area prefeaults the
>>> vmalloc area PTEs, which doesn't seem to be required here for the
>>> kernel memory case (and could be added to vmap using a flag if actually
>>> required).
>>
>> Patch looks good to me.
>>
>> Series did not get a CI run from our side because of a different base so I
>> don't know if you would like to have a run there? If so you would need to
>> rebase against git://anongit.freedesktop.org/drm-tip drm-tip and you could
>> even send a series to intel-gfx-trybot@lists.freedesktop.org, suppressing
>> cc, to check it out without sending a copy to the real mailing list.
>
> It doesn't seem like I can post to any freedesktop list, as I always
> get rejection messages. But I'll happily prepare a branch if one
> of you an feed it into your CI.
That's fine, just ping me and I will forward it for testing, thanks!
Regards,
Tvrtko
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next prev parent reply other threads:[~2020-09-23 13:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200918163724.2511-1-hch@lst.de>
[not found] ` <20200918163724.2511-2-hch@lst.de>
2020-09-21 17:42 ` [PATCH 1/6] zsmalloc: switch from alloc_vm_area to get_vm_area Minchan Kim
[not found] ` <20200921181708.GA2067@lst.de>
2020-09-21 18:42 ` Minchan Kim
[not found] ` <20200918163724.2511-4-hch@lst.de>
2020-09-21 19:11 ` [PATCH 3/6] drm/i915: use vmap in shmem_pin_map Matthew Wilcox
[not found] ` <20200922062249.GA30831@lst.de>
2020-09-22 8:23 ` [Intel-gfx] " Tvrtko Ursulin
[not found] ` <20200922143141.GA26637@lst.de>
2020-09-22 16:13 ` Tvrtko Ursulin
[not found] ` <20200922163346.GA1701@lst.de>
2020-09-22 17:04 ` Tvrtko Ursulin
2020-09-22 11:21 ` Matthew Wilcox
[not found] ` <20200922143906.GB26664@lst.de>
2020-09-22 14:53 ` Matthew Wilcox
[not found] ` <20200918163724.2511-7-hch@lst.de>
2020-09-21 20:44 ` [PATCH 6/6] x86/xen: open code alloc_vm_area in arch_gnttab_valloc boris.ostrovsky
[not found] ` <20200922145819.GA28420@lst.de>
2020-09-22 15:24 ` boris.ostrovsky
[not found] ` <20200922152706.GA30633@lst.de>
2020-09-22 15:34 ` boris.ostrovsky
[not found] ` <20200918163724.2511-5-hch@lst.de>
2020-09-23 9:52 ` [Intel-gfx] [PATCH 4/6] drm/i915: use vmap in i915_gem_object_map Tvrtko Ursulin
[not found] ` <20200923134117.GB9893@lst.de>
2020-09-23 13:58 ` Tvrtko Ursulin [this message]
[not found] ` <20200923144455.GA15036@lst.de>
2020-09-24 12:22 ` Tvrtko Ursulin
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