From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 03/12] dma-buf: start caching of sg_table objects Date: Mon, 29 Apr 2019 10:54:55 +0200 Message-ID: <20190429085455.GN3271@phenom.ffwll.local> References: <20190426123638.40221-1-christian.koenig@amd.com> <20190426123638.40221-3-christian.koenig@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-ed1-x542.google.com (mail-ed1-x542.google.com [IPv6:2a00:1450:4864:20::542]) by gabe.freedesktop.org (Postfix) with ESMTPS id 779E0891EF for ; Mon, 29 Apr 2019 08:54:59 +0000 (UTC) Received: by mail-ed1-x542.google.com with SMTP id l25so8402131eda.9 for ; Mon, 29 Apr 2019 01:54:59 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20190426123638.40221-3-christian.koenig@amd.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Christian =?iso-8859-1?Q?K=F6nig?= Cc: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gRnJpLCBBcHIgMjYsIDIwMTkgYXQgMDI6MzY6MjlQTSArMDIwMCwgQ2hyaXN0aWFuIEvDtm5p ZyB3cm90ZToKPiBUbyBhbGxvdyBhIHNtb290aCB0cmFuc2l0aW9uIGZyb20gcGlubmluZyBidWZm ZXIgb2JqZWN0cyB0byBkeW5hbWljCj4gaW52YWxpZGF0aW9uIHdlIGZpcnN0IHN0YXJ0IHRvIGNh Y2hlIHRoZSBzZ190YWJsZSBmb3IgYW4gYXR0YWNobWVudAo+IHVubGVzcyB0aGUgZHJpdmVyIGhh cyBpbXBsZW1lbnRlZCB0aGUgZXhwbGljaXRlIHBpbi91bnBpbiBjYWxsYmFja3MuCj4gCj4gU2ln bmVkLW9mZi1ieTogQ2hyaXN0aWFuIEvDtm5pZyA8Y2hyaXN0aWFuLmtvZW5pZ0BhbWQuY29tPgoK Q29ycmVjdGlvbiBvbiBteSAic3F1YXNoIGV2ZXJ5dGhpbmciIHN1Z2dlc3Rpb246IEkgdGhpbmsg dGhpcyBwYXRjaCBoZXJlCnN0aWxsIG5lZWRzIHRvIGJlIHNlcGFyYXRlLCBzbyB0aGF0ICJ3aHkg ZGlkIHRoaXMgY2F1c2UgYSByZWdyZXNzaW9uIiBpcwplYXNpZXIgdG8gdW5kZXJzdGFuZC4gQnV0 IHdpdGggYSBzbWFsbCBuaXQuCgo+IC0tLQo+ICBkcml2ZXJzL2RtYS1idWYvZG1hLWJ1Zi5jIHwg MjQgKysrKysrKysrKysrKysrKysrKysrKysrCj4gIGluY2x1ZGUvbGludXgvZG1hLWJ1Zi5oICAg fCAgMSArCj4gIDIgZmlsZXMgY2hhbmdlZCwgMjUgaW5zZXJ0aW9ucygrKQo+IAo+IGRpZmYgLS1n aXQgYS9kcml2ZXJzL2RtYS1idWYvZG1hLWJ1Zi5jIGIvZHJpdmVycy9kbWEtYnVmL2RtYS1idWYu Ywo+IGluZGV4IDA2NTZkY2YyODliZS4uYTE4ZDEwYzQ0MjVhIDEwMDY0NAo+IC0tLSBhL2RyaXZl cnMvZG1hLWJ1Zi9kbWEtYnVmLmMKPiArKysgYi9kcml2ZXJzL2RtYS1idWYvZG1hLWJ1Zi5jCj4g QEAgLTYxMCw2ICs2MTAsMjAgQEAgZG1hX2J1Zl9hdHRhY2goY29uc3Qgc3RydWN0IGRtYV9idWZf YXR0YWNoX2luZm8gKmluZm8pCj4gIAlsaXN0X2FkZCgmYXR0YWNoLT5ub2RlLCAmZG1hYnVmLT5h dHRhY2htZW50cyk7Cj4gIAo+ICAJbXV0ZXhfdW5sb2NrKCZkbWFidWYtPmxvY2spOwo+ICsKPiAr CWlmICghZG1hYnVmLT5vcHMtPnBpbikgewoKSSB0aGluayBhIHN0YXRpYyBpbmxpbmUgZG1hX2J1 Zl9pc19keW5hbWljX2F0dGFjaG1lbnQoKSB3b3VsZCBiZSBnb29kCmhlcmUsIHdoaWNoIGluIHRo aXMgcGF0Y2ggKHNpbmNlIGl0J3MgZWFsaWVyKSB3b3VsZCBhbHdheXMgcmV0dXJuIGZhbHNlLgoK QXNpZGU6IEkgdGhpbmsgb25seSBjaGVja2luZyBwaW4gaGVyZSAoaS5lLiBjYW4gdGhlIGV4cG9y dGVyIGRvIGR5bmFtaWMKbWFwcGluZ3MpIGlzbid0IGdvb2QgZW5vdWdoLCB3ZSBhbHNvIG5lZWQg dG8gY2hlY2sgZm9yIHRoZSBpbXBvcnRlcnMKLT5pbnZhbGlkYXRlLiBIZW5jZSBfaXNfZHluYW1p Y19hdHRhY2htZW50LCBub3QgX2lzX2R5bmFtaWNfZG1hX2J1Zi4gSWYgd2UKZG9uJ3QgYWxzbyBj aGVjayBmb3IgdGhlIGltcG9ydGVyIHdlIGFnYWluIGhhdmUgYSByZXNlcnZhdGlvbiBsb2NrIGlu CmRtYV9idWZfbWFwL3VubWFwLCB3aGljaCB3ZSBrbm93IHdpbGwgYW5nZXIgdGhlIGxvY2tkZXAg Z29kcyAuLi4KLURhbmllbAoKPiArCQlzdHJ1Y3Qgc2dfdGFibGUgKnNndDsKPiArCj4gKwkJc2d0 ID0gZG1hYnVmLT5vcHMtPm1hcF9kbWFfYnVmKGF0dGFjaCwgRE1BX0JJRElSRUNUSU9OQUwpOwo+ ICsJCWlmICghc2d0KQo+ICsJCQlzZ3QgPSBFUlJfUFRSKC1FTk9NRU0pOwo+ICsJCWlmIChJU19F UlIoc2d0KSkgewo+ICsJCQlkbWFfYnVmX2RldGFjaChkbWFidWYsIGF0dGFjaCk7Cj4gKwkJCXJl dHVybiBFUlJfQ0FTVChzZ3QpOwo+ICsJCX0KPiArCQlhdHRhY2gtPnNndCA9IHNndDsKPiArCX0K PiArCj4gIAlyZXR1cm4gYXR0YWNoOwo+ICAKPiAgZXJyX2F0dGFjaDoKPiBAQCAtNjMyLDYgKzY0 NiwxMCBAQCB2b2lkIGRtYV9idWZfZGV0YWNoKHN0cnVjdCBkbWFfYnVmICpkbWFidWYsIHN0cnVj dCBkbWFfYnVmX2F0dGFjaG1lbnQgKmF0dGFjaCkKPiAgCWlmIChXQVJOX09OKCFkbWFidWYgfHwg IWF0dGFjaCkpCj4gIAkJcmV0dXJuOwo+ICAKPiArCWlmIChhdHRhY2gtPnNndCkKPiArCQlkbWFi dWYtPm9wcy0+dW5tYXBfZG1hX2J1ZihhdHRhY2gsIGF0dGFjaC0+c2d0LAo+ICsJCQkJCSAgIERN QV9CSURJUkVDVElPTkFMKTsKPiArCj4gIAltdXRleF9sb2NrKCZkbWFidWYtPmxvY2spOwo+ICAJ bGlzdF9kZWwoJmF0dGFjaC0+bm9kZSk7Cj4gIAlpZiAoZG1hYnVmLT5vcHMtPmRldGFjaCkKPiBA QCAtNjY4LDYgKzY4Niw5IEBAIHN0cnVjdCBzZ190YWJsZSAqZG1hX2J1Zl9tYXBfYXR0YWNobWVu dChzdHJ1Y3QgZG1hX2J1Zl9hdHRhY2htZW50ICphdHRhY2gsCj4gIAlpZiAoV0FSTl9PTighYXR0 YWNoIHx8ICFhdHRhY2gtPmRtYWJ1ZikpCj4gIAkJcmV0dXJuIEVSUl9QVFIoLUVJTlZBTCk7Cj4g IAo+ICsJaWYgKGF0dGFjaC0+c2d0KQo+ICsJCXJldHVybiBhdHRhY2gtPnNndDsKPiArCj4gIAly ZXNlcnZhdGlvbl9vYmplY3RfbG9jayhhdHRhY2gtPmRtYWJ1Zi0+cmVzdiwgTlVMTCk7Cj4gIAly ID0gZG1hX2J1Zl9waW4oYXR0YWNoLT5kbWFidWYpOwo+ICAJcmVzZXJ2YXRpb25fb2JqZWN0X3Vu bG9jayhhdHRhY2gtPmRtYWJ1Zi0+cmVzdik7Cj4gQEAgLTcwMSw2ICs3MjIsOSBAQCB2b2lkIGRt YV9idWZfdW5tYXBfYXR0YWNobWVudChzdHJ1Y3QgZG1hX2J1Zl9hdHRhY2htZW50ICphdHRhY2gs Cj4gIAlpZiAoV0FSTl9PTighYXR0YWNoIHx8ICFhdHRhY2gtPmRtYWJ1ZiB8fCAhc2dfdGFibGUp KQo+ICAJCXJldHVybjsKPiAgCj4gKwlpZiAoYXR0YWNoLT5zZ3QgPT0gc2dfdGFibGUpCj4gKwkJ cmV0dXJuOwo+ICsKPiAgCWF0dGFjaC0+ZG1hYnVmLT5vcHMtPnVubWFwX2RtYV9idWYoYXR0YWNo LCBzZ190YWJsZSwKPiAgCQkJCQkJZGlyZWN0aW9uKTsKPiAgCj4gZGlmZiAtLWdpdCBhL2luY2x1 ZGUvbGludXgvZG1hLWJ1Zi5oIGIvaW5jbHVkZS9saW51eC9kbWEtYnVmLmgKPiBpbmRleCAwMzIx OTM5YjFjM2QuLmI5ZDA3MTk1ODFjZCAxMDA2NDQKPiAtLS0gYS9pbmNsdWRlL2xpbnV4L2RtYS1i dWYuaAo+ICsrKyBiL2luY2x1ZGUvbGludXgvZG1hLWJ1Zi5oCj4gQEAgLTM0NSw2ICszNDUsNyBA QCBzdHJ1Y3QgZG1hX2J1Zl9hdHRhY2htZW50IHsKPiAgCXN0cnVjdCBkbWFfYnVmICpkbWFidWY7 Cj4gIAlzdHJ1Y3QgZGV2aWNlICpkZXY7Cj4gIAlzdHJ1Y3QgbGlzdF9oZWFkIG5vZGU7Cj4gKwlz dHJ1Y3Qgc2dfdGFibGUgKnNndDsKPiAgCXZvaWQgKnByaXY7Cj4gIH07Cj4gIAo+IC0tIAo+IDIu MTcuMQo+IAo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f Cj4gZHJpLWRldmVsIG1haWxpbmcgbGlzdAo+IGRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKPiBodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1k ZXZlbAoKLS0gCkRhbmllbCBWZXR0ZXIKU29mdHdhcmUgRW5naW5lZXIsIEludGVsIENvcnBvcmF0 aW9uCmh0dHA6Ly9ibG9nLmZmd2xsLmNoCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZy ZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2RyaS1kZXZlbA==