Thread (41 messages) 41 messages, 7 authors, 2019-08-13
STALE2515d
Revisions (3)
  1. v1 [diff vs current]
  2. v2 current
  3. v3 [diff vs current]

[PATCH v2 05/34] drm/etnaviv: convert release_pages() to put_user_pages()

From: <hidden>
Date: 2019-08-04 22:56:06
Also in: amd-gfx, ceph-devel, dri-devel, intel-gfx, kvm, linux-block, linux-crypto, linux-fbdev, linux-fsdevel, linux-media, linux-mm, linux-nfs, linux-rdma, linux-xfs, lkml, netdev, sparclinux, xen-devel
Subsystem: drm drivers, drm drivers for vivante gpu ip, the rest · Maintainers: David Airlie, Simona Vetter, Lucas Stach, Linus Torvalds

From: John Hubbard <jhubbard@nvidia.com>

For pages that were retained via get_user_pages*(), release those pages
via the new put_user_page*() routines, instead of via put_page() or
release_pages().

This is part a tree-wide conversion, as described in commit fc1d8e7cca2d
("mm: introduce put_user_page*(), placeholder versions").

Cc: Joerg Roedel <joro@8bytes.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <redacted>
Cc: Thomas Gleixner <redacted>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: x86@kernel.org
Cc: kvm@vger.kernel.org
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
---
 drivers/gpu/drm/etnaviv/etnaviv_gem.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
index e8778ebb72e6..a0144a5ee325 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
@@ -686,7 +686,7 @@ static int etnaviv_gem_userptr_get_pages(struct etnaviv_gem_object *etnaviv_obj)
 		ret = get_user_pages_fast(ptr, num_pages,
 					  !userptr->ro ? FOLL_WRITE : 0, pages);
 		if (ret < 0) {
-			release_pages(pvec, pinned);
+			put_user_pages(pvec, pinned);
 			kvfree(pvec);
 			return ret;
 		}
@@ -710,7 +710,7 @@ static void etnaviv_gem_userptr_release(struct etnaviv_gem_object *etnaviv_obj)
 	if (etnaviv_obj->pages) {
 		int npages = etnaviv_obj->base.size >> PAGE_SHIFT;
 
-		release_pages(etnaviv_obj->pages, npages);
+		put_user_pages(etnaviv_obj->pages, npages);
 		kvfree(etnaviv_obj->pages);
 	}
 }
-- 
2.22.0


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