All of lore.kernel.org
 help / color / mirror / Atom feed
From: john.hubbard@gmail.com
To: Andrew Morton <akpm@linux-foundation.org>
Cc: "Alexander Viro" <viro@zeniv.linux.org.uk>,
	"Björn Töpel" <bjorn.topel@intel.com>,
	"Boaz Harrosh" <boaz@plexistor.com>,
	"Christoph Hellwig" <hch@lst.de>,
	"Daniel Vetter" <daniel@ffwll.ch>,
	"Dan Williams" <dan.j.williams@intel.com>,
	"Dave Chinner" <david@fromorbit.com>,
	"David Airlie" <airlied@linux.ie>,
	"David S . Miller" <davem@davemloft.net>,
	"Ilya Dryomov" <idryomov@gmail.com>, "Jan Kara" <jack@suse.cz>,
	"Jason Gunthorpe" <jgg@ziepe.ca>, "Jens Axboe" <axboe@kernel.dk>,
	"Jérôme Glisse" <jglisse@redhat.com>,
	"Johannes Thumshirn" <jthumshirn@suse.de>,
	"Magnus Karlsson" <magnus.karlsson@intel.com>,
	"Matthew Wilcox" <willy@infradead.org>,
	"Miklos Szeredi" <miklos@szeredi.hu>,
	"Ming Lei" <ming.lei@redhat.com>, "Sage Weil" <sage@redhat.com>,
	"Santosh Shilimkar" <santosh.shilimkar@oracle.com>,
	"Yan Zheng" <zyan@redhat.com>,
	netdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
	linux-mm@kvack.org, linux-rdma@vger.kernel.org,
	bpf@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
	"John Hubbard" <jhubbard@nvidia.com>
Subject: [PATCH 1/3] drivers/gpu/drm/via: convert put_page() to put_user_page*()
Date: Sun, 21 Jul 2019 21:30:10 -0700	[thread overview]
Message-ID: <20190722043012.22945-2-jhubbard@nvidia.com> (raw)
In-Reply-To: <20190722043012.22945-1-jhubbard@nvidia.com>

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: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
---
 drivers/gpu/drm/via/via_dmablit.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/via/via_dmablit.c b/drivers/gpu/drm/via/via_dmablit.c
index 062067438f1d..219827ae114f 100644
--- a/drivers/gpu/drm/via/via_dmablit.c
+++ b/drivers/gpu/drm/via/via_dmablit.c
@@ -189,8 +189,9 @@ via_free_sg_info(struct pci_dev *pdev, drm_via_sg_info_t *vsg)
 		for (i = 0; i < vsg->num_pages; ++i) {
 			if (NULL != (page = vsg->pages[i])) {
 				if (!PageReserved(page) && (DMA_FROM_DEVICE == vsg->direction))
-					SetPageDirty(page);
-				put_page(page);
+					put_user_pages_dirty(&page, 1);
+				else
+					put_user_page(page);
 			}
 		}
 		/* fall through */
-- 
2.22.0


WARNING: multiple messages have this Message-ID (diff)
From: john.hubbard@gmail.com
To: Andrew Morton <akpm@linux-foundation.org>
Cc: "Alexander Viro" <viro@zeniv.linux.org.uk>,
	"Björn Töpel" <bjorn.topel@intel.com>,
	"Boaz Harrosh" <boaz@plexistor.com>,
	"Christoph Hellwig" <hch@lst.de>,
	"Daniel Vetter" <daniel@ffwll.ch>,
	"Dan Williams" <dan.j.williams@intel.com>,
	"Dave Chinner" <david@fromorbit.com>,
	"David Airlie" <airlied@linux.ie>,
	"David S . Miller" <davem@davemloft.net>,
	"Ilya Dryomov" <idryomov@gmail.com>, "Jan Kara" <jack@suse.cz>,
	"Jason Gunthorpe" <jgg@ziepe.ca>, "Jens Axboe" <axboe@kernel.dk>,
	"Jérôme Glisse" <jglisse@redhat.com>,
	"Johannes Thumshirn" <jthumshirn@suse.de>,
	"Magnus Karlsson" <magnus.karlsson@intel.com>,
	"Matthew Wilcox" <willy@infradead.org>,
	"Miklos Szeredi" <miklos@szeredi.hu>,
	"Ming Lei" <ming.lei@redhat.com>, "Sage Weil" <sage@redhat.com>
Subject: [PATCH 1/3] drivers/gpu/drm/via: convert put_page() to put_user_page*()
Date: Sun, 21 Jul 2019 21:30:10 -0700	[thread overview]
Message-ID: <20190722043012.22945-2-jhubbard@nvidia.com> (raw)
In-Reply-To: <20190722043012.22945-1-jhubbard@nvidia.com>

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: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
---
 drivers/gpu/drm/via/via_dmablit.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/via/via_dmablit.c b/drivers/gpu/drm/via/via_dmablit.c
index 062067438f1d..219827ae114f 100644
--- a/drivers/gpu/drm/via/via_dmablit.c
+++ b/drivers/gpu/drm/via/via_dmablit.c
@@ -189,8 +189,9 @@ via_free_sg_info(struct pci_dev *pdev, drm_via_sg_info_t *vsg)
 		for (i = 0; i < vsg->num_pages; ++i) {
 			if (NULL != (page = vsg->pages[i])) {
 				if (!PageReserved(page) && (DMA_FROM_DEVICE == vsg->direction))
-					SetPageDirty(page);
-				put_page(page);
+					put_user_pages_dirty(&page, 1);
+				else
+					put_user_page(page);
 			}
 		}
 		/* fall through */
-- 
2.22.0

  reply	other threads:[~2019-07-22  4:30 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-22  4:30 [PATCH 0/4] put_user_page: new put_user_page_dirty*() helpers john.hubbard
2019-07-22  4:30 ` john.hubbard
2019-07-22  4:30 ` john.hubbard [this message]
2019-07-22  4:30   ` [PATCH 1/3] drivers/gpu/drm/via: convert put_page() to put_user_page*() john.hubbard
2019-07-22  9:33   ` Christoph Hellwig
2019-07-22  9:33     ` Christoph Hellwig
2019-07-22 18:53     ` John Hubbard
2019-07-22 18:53       ` John Hubbard
2019-07-22 19:07       ` Matthew Wilcox
2019-07-22 19:07         ` Matthew Wilcox
2019-07-22 19:10         ` John Hubbard
2019-07-22 19:10           ` John Hubbard
2019-07-22  4:30 ` [PATCH 2/3] net/xdp: " john.hubbard
2019-07-22  4:30   ` john.hubbard
2019-07-22  9:34   ` Christoph Hellwig
2019-07-22  9:34     ` Christoph Hellwig
2019-07-22  4:30 ` [PATCH 3/3] gup: new put_user_page_dirty*() helpers john.hubbard
2019-07-22  4:30   ` john.hubbard
2019-07-22 19:05   ` John Hubbard
2019-07-22 19:05     ` John Hubbard

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190722043012.22945-2-jhubbard@nvidia.com \
    --to=john.hubbard@gmail.com \
    --cc=airlied@linux.ie \
    --cc=akpm@linux-foundation.org \
    --cc=axboe@kernel.dk \
    --cc=bjorn.topel@intel.com \
    --cc=boaz@plexistor.com \
    --cc=bpf@vger.kernel.org \
    --cc=dan.j.williams@intel.com \
    --cc=daniel@ffwll.ch \
    --cc=davem@davemloft.net \
    --cc=david@fromorbit.com \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=hch@lst.de \
    --cc=idryomov@gmail.com \
    --cc=jack@suse.cz \
    --cc=jgg@ziepe.ca \
    --cc=jglisse@redhat.com \
    --cc=jhubbard@nvidia.com \
    --cc=jthumshirn@suse.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=linux-rdma@vger.kernel.org \
    --cc=magnus.karlsson@intel.com \
    --cc=miklos@szeredi.hu \
    --cc=ming.lei@redhat.com \
    --cc=netdev@vger.kernel.org \
    --cc=sage@redhat.com \
    --cc=santosh.shilimkar@oracle.com \
    --cc=viro@zeniv.linux.org.uk \
    --cc=willy@infradead.org \
    --cc=zyan@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.