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From:   Christoph Hellwig <hch@lst.de>
To:     =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= <jglisse@redhat.com>,
        Jason Gunthorpe <jgg@mellanox.com>,
        Ben Skeggs <bskeggs@redhat.com>,
        Felix Kuehling <Felix.Kuehling@amd.com>
Cc:     Ralph Campbell <rcampbell@nvidia.com>, linux-mm@kvack.org,
        nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
        amd-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: [PATCH 03/13] nouveau: pass struct nouveau_svmm to nouveau_range_fault
Date:   Tue, 30 Jul 2019 08:51:53 +0300
Message-Id: <20190730055203.28467-4-hch@lst.de>
In-Reply-To: <20190730055203.28467-1-hch@lst.de>
References: <20190730055203.28467-1-hch@lst.de>
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Sender: linux-kernel-owner@vger.kernel.org
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This avoid having to abuse the vma field in struct hmm_range to unlock
the mmap_sem.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/gpu/drm/nouveau/nouveau_svm.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c
index a74530b5a523..b889d5ec4c7e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_svm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_svm.c
@@ -485,14 +485,14 @@ nouveau_range_done(struct hmm_range *range)
 }
 
 static int
-nouveau_range_fault(struct hmm_mirror *mirror, struct hmm_range *range)
+nouveau_range_fault(struct nouveau_svmm *svmm, struct hmm_range *range)
 {
 	long ret;
 
 	range->default_flags = 0;
 	range->pfn_flags_mask = -1UL;
 
-	ret = hmm_range_register(range, mirror,
+	ret = hmm_range_register(range, &svmm->mirror,
 				 range->start, range->end,
 				 PAGE_SHIFT);
 	if (ret) {
@@ -689,7 +689,7 @@ nouveau_svm_fault(struct nvif_notify *notify)
 		range.values = nouveau_svm_pfn_values;
 		range.pfn_shift = NVIF_VMM_PFNMAP_V0_ADDR_SHIFT;
 again:
-		ret = nouveau_range_fault(&svmm->mirror, &range);
+		ret = nouveau_range_fault(svmm, &range);
 		if (ret == 0) {
 			mutex_lock(&svmm->mutex);
 			if (!nouveau_range_done(&range)) {
-- 
2.20.1