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Tue, 26 Oct 2021 04:52:45 -0700 Received: from mtkmbs10n1.mediatek.inc (172.21.101.34) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 26 Oct 2021 04:52:43 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Tue, 26 Oct 2021 19:52:41 +0800 Received: from mszswglt01.gcn.mediatek.inc (10.16.20.20) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 26 Oct 2021 19:52:41 +0800 From: To: CC: , , , , , , , , , , , Guangming Cao Subject: Re: [PATCH v3] dma-buf: remove restriction of IOCTL:DMA_BUF_SET_NAME Date: Tue, 26 Oct 2021 19:52:48 +0800 Message-ID: <20211026115248.9564-1-guangming.cao@mediatek.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <0e062f12-7e79-5a05-1e7b-10dda8e353b7@amd.com> References: <0e062f12-7e79-5a05-1e7b-10dda8e353b7@amd.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211026_045249_177482_54712A43 X-CRM114-Status: GOOD ( 35.28 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org RnJvbTogR3VhbmdtaW5nIENhbyA8R3VhbmdtaW5nLkNhb0BtZWRpYXRlay5jb20+CgpPbiBUdWUs IDIwMjEtMTAtMjYgYXQgMTM6MTggKzAyMDAsIENocmlzdGlhbiBLw7ZuaWcgd3JvdGU6Cj4gQW0g MTQuMTAuMjEgdW0gMTI6MjUgc2NocmllYiBndWFuZ21pbmcuY2FvQG1lZGlhdGVrLmNvbToKPiA+ IEZyb206IEd1YW5nbWluZyBDYW8gPEd1YW5nbWluZy5DYW9AbWVkaWF0ZWsuY29tPgo+ID4gCj4g PiBJbiB0aGlzIHBhdGNoKGh0dHBzOi8vcGF0Y2h3b3JrLmZyZWVkZXNrdG9wLm9yZy9wYXRjaC8z MTAzNDkpLAo+ID4gaXQgYWRkIGEgbmV3IElPQ1RMIHRvIHN1cHBvcnQgZG1hLWJ1ZiB1c2VyIHRv IHNldCBkZWJ1ZyBuYW1lLgo+ID4gCj4gPiBCdXQgaXQgYWxzbyBhZGRlZCBhIGxpbWl0YXRpb24g b2YgdGhpcyBJT0NUTCwgaXQgbmVlZHMgdGhlCj4gPiBhdHRhY2htZW50cyBvZiBkbWFidWYgc2hv dWxkIGJlIGVtcHR5LCBvdGhlcndpc2UgaXQgd2lsbCBmYWlsLgo+ID4gCj4gPiBGb3IgdGhlIG9y aWdpbmFsIHNlcmllcywgdGhlIGlkZWEgd2FzIHRoYXQgYWxsb3dpbmcgbmFtZSBjaGFuZ2UKPiA+ IG1pZC11c2UgY291bGQgY29uZnVzZSB0aGUgdXNlcnMgYWJvdXQgdGhlIGRtYS1idWYuCj4gPiBI b3dldmVyLCB0aGUgcmVzdCBvZiB0aGUgc2VyaWVzIGFsc28gbWFrZXMgc3VyZSBlYWNoIGRtYS1i dWYgaGF2ZSBhCj4gPiB1bmlxdWUKPiA+IGlub2RlKGh0dHBzOi8vcGF0Y2h3b3JrLmZyZWVkZXNr dG9wLm9yZy9wYXRjaC8zMTAzODcvKSwgYW5kIGFueQo+ID4gYWNjb3VudGluZwo+ID4gc2hvdWxk IHByb2JhYmx5IHVzZSB0aGF0LCB3aXRob3V0IHJlbHlpbmcgb24gdGhlIG5hbWUgYXMgbXVjaC4K PiA+IAo+ID4gU28sIHJlbW92aW5nIHRoaXMgcmVzdHJpY3Rpb24gd2lsbCBsZXQgZG1hLWJ1ZiB1 c2Vyc3BhY2UgdXNlcnMgdG8KPiA+IHVzZSBpdAo+ID4gbW9yZSBjb21mb3J0YWJseSBhbmQgd2l0 aG91dCBhbnkgc2lkZSBlZmZlY3QuCj4gPiAKPiA+IFNpZ25lZC1vZmYtYnk6IEd1YW5nbWluZyBD YW8gPEd1YW5nbWluZy5DYW9AbWVkaWF0ZWsuY29tPgo+IAo+IFdlIGNvdWxkIG5vdyBjbGVhbnVw IHRoZSByZXR1cm4gdmFsdWUgZnJvbSBkbWFfYnVmX3NldF9uYW1lKCkgaW50byBhIAo+IHZvaWQg c2luY2UgdGhhdCBmdW5jdGlvbiBjYW4ndCBmYWlsIGFueSBtb3JlIGFzIGZhciBhcyBJIGNhbiBz ZWUuCj4gCj4gQnV0IHRoYXQgaXNuJ3QgbWFuZGF0b3J5IEkgdGhpbmssIHBhdGNoIGlzIFJldmll d2VkLWJ5OiBDaHJpc3RpYW4KPiBLw7ZuaWcgCj4gPGNocmlzdGlhbi5rb2VuaWdAYW1kLmNvbT4K PgoKU28sIGhlcmUgaXMgbm8gbmVlZCB0byBjaGVjayByZXR1cm4gdmFsdWUgb2YgJ3N0cm5kdXBf dXNlcicsCmp1c3QgcmV0dXJuIHdpdGhvdXQgZXJyb3IgY29kZSBpZiB0aGUgYWxtb3N0IGltcG9z c2libGUgZXJyb3Igb2NjdXJzPwoKR3VhbmdtaW5nLgoKPiBSZWdhcmRzLAo+IENocmlzdGlhbi4K PiAKPiA+IC0tLQo+ID4gICBkcml2ZXJzL2RtYS1idWYvZG1hLWJ1Zi5jIHwgMTcgKysrLS0tLS0t LS0tLS0tLS0KPiA+ICAgMSBmaWxlIGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKSwgMTQgZGVsZXRp b25zKC0pCj4gPiAKPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2RtYS1idWYvZG1hLWJ1Zi5jIGIv ZHJpdmVycy9kbWEtYnVmL2RtYS1idWYuYwo+ID4gaW5kZXggNTExZmUwZDIxN2EwLi41ZmJiM2Ey MDY4YTMgMTAwNjQ0Cj4gPiAtLS0gYS9kcml2ZXJzL2RtYS1idWYvZG1hLWJ1Zi5jCj4gPiArKysg Yi9kcml2ZXJzL2RtYS1idWYvZG1hLWJ1Zi5jCj4gPiBAQCAtMzI1LDEwICszMjUsOCBAQCBzdGF0 aWMgX19wb2xsX3QgZG1hX2J1Zl9wb2xsKHN0cnVjdCBmaWxlCj4gPiAqZmlsZSwgcG9sbF90YWJs ZSAqcG9sbCkKPiA+ICAgCj4gPiAgIC8qKgo+ID4gICAgKiBkbWFfYnVmX3NldF9uYW1lIC0gU2V0 IGEgbmFtZSB0byBhIHNwZWNpZmljIGRtYV9idWYgdG8gdHJhY2sKPiA+IHRoZSB1c2FnZS4KPiA+ IC0gKiBUaGUgbmFtZSBvZiB0aGUgZG1hLWJ1ZiBidWZmZXIgY2FuIG9ubHkgYmUgc2V0IHdoZW4g dGhlIGRtYS1idWYgCj4gPiBpcyBub3QKPiA+IC0gKiBhdHRhY2hlZCB0byBhbnkgZGV2aWNlcy4g SXQgY291bGQgdGhlb3JpdGljYWxseSBzdXBwb3J0Cj4gPiBjaGFuZ2luZyB0aGUKPiA+IC0gKiBu YW1lIG9mIHRoZSBkbWEtYnVmIGlmIHRoZSBzYW1lIHBpZWNlIG9mIG1lbW9yeSBpcyB1c2VkIGZv cgo+ID4gbXVsdGlwbGUKPiA+IC0gKiBwdXJwb3NlIGJldHdlZW4gZGlmZmVyZW50IGRldmljZXMu Cj4gPiArICogSXQgY291bGQgc3VwcG9ydCBjaGFuZ2luZyB0aGUgbmFtZSBvZiB0aGUgZG1hLWJ1 ZiBpZiB0aGUgc2FtZQo+ID4gKyAqIHBpZWNlIG9mIG1lbW9yeSBpcyB1c2VkIGZvciBtdWx0aXBs ZSBwdXJwb3NlIGJldHdlZW4gZGlmZmVyZW50Cj4gPiBkZXZpY2VzLgo+ID4gICAgKgo+ID4gICAg KiBAZG1hYnVmOiBbaW5dICAgICBkbWFidWYgYnVmZmVyIHRoYXQgd2lsbCBiZSByZW5hbWVkLgo+ ID4gICAgKiBAYnVmOiAgICBbaW5dICAgICBBIHBpZWNlIG9mIHVzZXJzcGFjZSBtZW1vcnkgdGhh dCBjb250YWlucwo+ID4gdGhlIG5hbWUgb2YKPiA+IEBAIC0zNDEsMjUgKzMzOSwxNiBAQCBzdGF0 aWMgX19wb2xsX3QgZG1hX2J1Zl9wb2xsKHN0cnVjdCBmaWxlCj4gPiAqZmlsZSwgcG9sbF90YWJs ZSAqcG9sbCkKPiA+ICAgc3RhdGljIGxvbmcgZG1hX2J1Zl9zZXRfbmFtZShzdHJ1Y3QgZG1hX2J1 ZiAqZG1hYnVmLCBjb25zdCBjaGFyCj4gPiBfX3VzZXIgKmJ1ZikKPiA+ICAgewo+ID4gICAJY2hh ciAqbmFtZSA9IHN0cm5kdXBfdXNlcihidWYsIERNQV9CVUZfTkFNRV9MRU4pOwo+ID4gLQlsb25n IHJldCA9IDA7Cj4gPiAgIAo+ID4gICAJaWYgKElTX0VSUihuYW1lKSkKPiA+ICAgCQlyZXR1cm4g UFRSX0VSUihuYW1lKTsKPiA+ICAgCj4gPiAtCWRtYV9yZXN2X2xvY2soZG1hYnVmLT5yZXN2LCBO VUxMKTsKPiA+IC0JaWYgKCFsaXN0X2VtcHR5KCZkbWFidWYtPmF0dGFjaG1lbnRzKSkgewo+ID4g LQkJcmV0ID0gLUVCVVNZOwo+ID4gLQkJa2ZyZWUobmFtZSk7Cj4gPiAtCQlnb3RvIG91dF91bmxv Y2s7Cj4gPiAtCX0KPiA+ICAgCXNwaW5fbG9jaygmZG1hYnVmLT5uYW1lX2xvY2spOwo+ID4gICAJ a2ZyZWUoZG1hYnVmLT5uYW1lKTsKPiA+ICAgCWRtYWJ1Zi0+bmFtZSA9IG5hbWU7Cj4gPiAgIAlz cGluX3VubG9jaygmZG1hYnVmLT5uYW1lX2xvY2spOwo+ID4gICAKPiA+IC1vdXRfdW5sb2NrOgo+ ID4gLQlkbWFfcmVzdl91bmxvY2soZG1hYnVmLT5yZXN2KTsKPiA+IC0JcmV0dXJuIHJldDsKPiA+ ICsJcmV0dXJuIDA7Cj4gPiAgIH0KPiA+ICAgCj4gPiAgIHN0YXRpYyBsb25nIGRtYV9idWZfaW9j dGwoc3RydWN0IGZpbGUgKmZpbGUsCj4gCj4gCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1h cm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcv bWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==