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[216.228.112.21]) by smtp.gmail.com with ESMTPSA id u69sm111740800pgu.77.2019.08.06.18.34.12 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 06 Aug 2019 18:34:13 -0700 (PDT) X-Inumbo-ID: 76936ede-b8b3-11e9-8980-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=kTcRkfjdEL9HxbTfItIV90QFm+wmUvO1k55I5bm4do4=; b=KDwx8fQCZQ/Suzu3VWi1DDiS9f3wTi5qeR5KhjjsQerQ6jWb9Bppmpi69n/V7tCxcC 9V2HGmZDwg97QSRgi6Hzl0GWRBp4H3fcCqkNmUDvJ7PxDk1fQHC9lxTEdaxbxQEHg95+ fmJWsxqnzJxJ030LBsGzIkf3pk8sgU5o1+lx7X7ZwO38eZaDsEUDZZ+Gf9yjWoGjqdBb oE7CxyrW2H4Sq40LC5GKmO3wadn0xgnPrP2IQTLB/VxU0JkFqP6vTrlLsm15L7ZnAf7Z 6nnOQfF4c4+DtdbQKQz7daub11+4pw4UtoY7fINHO6b6C0kllebTtI7UQsSaNXpquZs/ z2sg== 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=kTcRkfjdEL9HxbTfItIV90QFm+wmUvO1k55I5bm4do4=; b=ZpxIi/kmP9SEHh3j14XlDeilaT5yqAgZp8Aw6qkn7dlCC2FHSU4Tda7iY7ZiIfmwoz EDaF276qxB/JKvwYXi4utYlRgFVxS4KAvrcF5JFv2OGR5Bk9i8KQEfplFiuFcm7A1mkL pEGsnjUt+XXw0ln1Cdiugs6SvfJaeAuT6dZwz3yIJ/UPMKQmtb+A/LbtpHfiC8Qa2EeJ OCPITs711eELCKH63FBYPaWLPh4S+pu6SaYcTWNc5faJY9XVNy8wsoxBFPS7YW/tisBN yrSnRV5UzEPjzPA6AIgKTq5ZQl8HJcSATNtC1iwGSuagy1DNjUpx9yvNmOgaTPlUnRFQ JJEw== X-Gm-Message-State: APjAAAUUM4hedg64cNcSV9KIKoAtvxCrH66Ax9dj/CCF+Bj3S8TI3eoI BTt6C17WHW4CBRggeFm5cLI= X-Google-Smtp-Source: APXvYqzTT0+13248qiTrSGNvS1mzJ345uGp41Ak44ir6kC277kEDTytzqOp0Yto6oZ69oylCJdvvLQ== X-Received: by 2002:a17:902:f204:: with SMTP id gn4mr5916565plb.3.1565141653735; Tue, 06 Aug 2019 18:34:13 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Tue, 6 Aug 2019 18:33:17 -0700 Message-Id: <20190807013340.9706-19-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190807013340.9706-1-jhubbard@nvidia.com> References: <20190807013340.9706-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v3 18/41] 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"). Acked-by: Jens Wiklander Signed-off-by: John Hubbard --- 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