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[216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.35 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:36 -0700 (PDT) X-Inumbo-ID: 1dc61328-b4cc-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=CBO3xGCo70BH915jG2N5Cwh2jdAxvuNp3xf6kgL3BUo=; b=ICzJUrYTaIdsry/DtrBHUvha+R1kZxiR3TimqNDYFmB7o5jfa7m5UsfpaX/zpz7gqG QDNhfomKE98We8ADhaaApqL24L4GLju/2Iqw8fB/Gdc8zIwCPKElMlCmrcylshjiY6HA Wpq/jdgFFEI2UXPzsw4kiY3k+2UuXyC1t4Wgx970D5YK3PPwUf+ffB7bQXfIs3z5ka8f jIxsm6PzFlXfLaS3w/r9zrOwtEfiVXxBJ3zPq4sXYknfWxx8T3YIHBMUaH+laDDR6clX EbIaZCmFhhDYcIMZgiNQmuBlXcj32bO5TFJ498KeDHFEPtpyis1t2GqB2XiuUnW1fIm6 uMYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=CBO3xGCo70BH915jG2N5Cwh2jdAxvuNp3xf6kgL3BUo=; b=rRSDhUPq2jbF0co81UjT8IyOaQPyu59bV6l0w6p6/rQqZzOPVqxRWpjEwFKS6/7hN+ Ya71ZSPRt9k5Jk8myPQbm/V0V5kGJdJaw+MKK7QMEqIEB0sSOdb2WY+9VS7P/YVV9Phx +414Itl9NwlL/pf4O2ebhMaDcxekj6QcCYY80ryRIzdVjkloajy6DlKo3ASZVXE/cyxI qdq6qzdUjhPcUYQ7IzyTEv8FJ7faNpyTtso4Sj4Ewo0EkvQRabCD1aAV9jHEI1gtMI76 4ZFwqleyxDbGAnXJ1mQJ8UHa8oOGpJ13Xillzw+kS0QUp+FFeJ6YVt7d389sKZDtGI/c Romg== X-Gm-Message-State: APjAAAX8Jax4SKQKr6FF58RlQZF7Gl+VrWh2J0d5uK1kE/t2/7eadeRt eqE+nRKuD86rGwHG1dq1Pec= X-Google-Smtp-Source: APXvYqxkmOrmri+Wx3FPhMPhDHr4oTLl0gd58UJ9/zI2U5cFZ+LG43cVChESIiZ/iGIXbamewPD5YA== X-Received: by 2002:a65:51c1:: with SMTP id i1mr101132075pgq.417.1564712437381; Thu, 01 Aug 2019 19:20:37 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:47 -0700 Message-Id: <20190802022005.5117-17-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 16/34] drivers/tee: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Jens Wiklander Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: John Hubbard 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: Jens Wiklander Signed-off-by: John Hubbard Acked-by: Jens Wiklander --- drivers/tee/tee_shm.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c index 2da026fd12c9..c967d0420b67 100644 --- a/drivers/tee/tee_shm.c +++ b/drivers/tee/tee_shm.c @@ -31,16 +31,13 @@ static void tee_shm_release(struct tee_shm *shm) =20 poolm->ops->free(poolm, shm); } else if (shm->flags & TEE_SHM_REGISTER) { - size_t n; int rc =3D teedev->desc->ops->shm_unregister(shm->ctx, shm); =20 if (rc) dev_err(teedev->dev.parent, "unregister shm %p failed: %d", shm, rc); =20 - for (n =3D 0; n < shm->num_pages; n++) - put_page(shm->pages[n]); - + put_user_pages(shm->pages, shm->num_pages); kfree(shm->pages); } =20 @@ -313,16 +310,13 @@ struct tee_shm *tee_shm_register(struct tee_context *= ctx, unsigned long addr, return shm; err: if (shm) { - size_t n; - if (shm->id >=3D 0) { mutex_lock(&teedev->mutex); idr_remove(&teedev->idr, shm->id); mutex_unlock(&teedev->mutex); } if (shm->pages) { - for (n =3D 0; n < shm->num_pages; n++) - put_page(shm->pages[n]); + put_user_pages(shm->pages, shm->num_pages); kfree(shm->pages); } } --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel