Displaying 5 results from an estimated 5 matches for "range_block".
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range_lock
2019 Nov 01
2
[PATCH v2 14/15] drm/amdgpu: Use mmu_range_notifier instead of hmm_mirror
...cur_seq);
> + mutex_lock(&adev->notifier_lock);
>
> - /* FIXME: Is this necessary? */
> - if (!amdgpu_ttm_tt_affect_userptr(bo->tbo.ttm, range->start,
> - range->end))
> - return true;
> + mmu_range_set_seq(mrn, cur_seq);
>
> - if (!mmu_notifier_range_blockable(range))
> + if (!mmu_notifier_range_blockable(range)) {
> + mutex_unlock(&adev->notifier_lock);
> return false;
This test for range_blockable should be before mutex_lock, I can move
it up
Also, do you know if notifier_lock is held while calling
amdgpu_ttm_tt_get_user_pages...
2019 Nov 01
1
[PATCH v2 14/15] drm/amdgpu: Use mmu_range_notifier instead of hmm_mirror
...dev->notifier_lock);
>>
>> - /* FIXME: Is this necessary? */
>> - if (!amdgpu_ttm_tt_affect_userptr(bo->tbo.ttm, range->start,
>> - range->end))
>> - return true;
>> + mmu_range_set_seq(mrn, cur_seq);
>>
>> - if (!mmu_notifier_range_blockable(range))
>> + if (!mmu_notifier_range_blockable(range)) {
>> + mutex_unlock(&adev->notifier_lock);
>> return false;
>
> This test for range_blockable should be before mutex_lock, I can move
> it up
>
yes, thanks.
> Also, do you know if notifier_lock...
2019 Nov 01
2
[PATCH v2 14/15] drm/amdgpu: Use mmu_range_notifier instead of hmm_mirror
On 2019-11-01 1:42 p.m., Jason Gunthorpe wrote:
> On Fri, Nov 01, 2019 at 03:59:26PM +0000, Yang, Philip wrote:
>>> This test for range_blockable should be before mutex_lock, I can move
>>> it up
>>>
>> yes, thanks.
>
> Okay, I wrote it like this:
>
> if (mmu_notifier_range_blockable(range))
> mutex_lock(&adev->notifier_lock);
> else if (!mutex_trylock(&adev->notifier_lock))
&...
2019 Nov 01
0
[PATCH v2 14/15] drm/amdgpu: Use mmu_range_notifier instead of hmm_mirror
On Fri, Nov 01, 2019 at 03:59:26PM +0000, Yang, Philip wrote:
> > This test for range_blockable should be before mutex_lock, I can move
> > it up
> >
> yes, thanks.
Okay, I wrote it like this:
if (mmu_notifier_range_blockable(range))
mutex_lock(&adev->notifier_lock);
else if (!mutex_trylock(&adev->notifier_lock))
return false;
> > Also, do you...
2019 Oct 29
4
[PATCH v2 14/15] drm/amdgpu: Use mmu_range_notifier instead of hmm_mirror
On Tue, Oct 29, 2019 at 07:22:37PM +0000, Yang, Philip wrote:
> Hi Jason,
>
> I did quick test after merging amd-staging-drm-next with the
> mmu_notifier branch, which includes this set changes. The test result
> has different failures, app stuck intermittently, GUI no display etc. I
> am understanding the changes and will try to figure out the cause.
Thanks! I'm not