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Tsirkin" , Marcel Apfelbaum , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , Eduardo Habkost , Jon Maloy , Siqi Chen Subject: [PATCH v3 7/7] usb/libhw: switch to guarded DMA accesses Date: Fri, 28 Oct 2022 15:16:48 -0400 Message-Id: <20221028191648.964076-8-alxndr@bu.edu> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20221028191648.964076-1-alxndr@bu.edu> References: <20221028191648.964076-1-alxndr@bu.edu> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CES-GSUITE_AUTH: bf3aNvsZpxl8 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.71.137.82; envelope-from=alxndr@bu.edu; helo=esa12.hc2706-39.iphmx.com X-Spam_score_int: 0 X-Spam_score: -0.1 X-Spam_bar: / X-Spam_report: (-0.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.998, HK_RANDOM_FROM=0.998, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Qemu-devel" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @bu.edu) X-ZM-MESSAGEID: 1666984790741100003 Content-Type: text/plain; charset="utf-8" Fixes: https://gitlab.com/qemu-project/qemu/-/issues/541 Signed-off-by: Alexander Bulekov --- hw/usb/libhw.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/usb/libhw.c b/hw/usb/libhw.c index f350eae443..a15e97f76d 100644 --- a/hw/usb/libhw.c +++ b/hw/usb/libhw.c @@ -36,7 +36,7 @@ int usb_packet_map(USBPacket *p, QEMUSGList *sgl) =20 while (len) { dma_addr_t xlen =3D len; - mem =3D dma_memory_map(sgl->as, base, &xlen, dir, + mem =3D dma_memory_map_guarded(sgl->dev, sgl->as, base, &xlen,= dir, MEMTXATTRS_UNSPECIFIED); if (!mem) { goto err; @@ -63,7 +63,7 @@ void usb_packet_unmap(USBPacket *p, QEMUSGList *sgl) int i; =20 for (i =3D 0; i < p->iov.niov; i++) { - dma_memory_unmap(sgl->as, p->iov.iov[i].iov_base, + dma_memory_unmap_guarded(sgl->dev, sgl->as, p->iov.iov[i].iov_base, p->iov.iov[i].iov_len, dir, p->iov.iov[i].iov_len); } --=20 2.27.0