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[142.162.113.180]) by smtp.gmail.com with ESMTPSA id p188sm7446102qkb.33.2019.10.29.06.59.36 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 29 Oct 2019 06:59:36 -0700 (PDT) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1iPS24-0005x3-D2; Tue, 29 Oct 2019 10:59:36 -0300 Date: Tue, 29 Oct 2019 10:59:36 -0300 From: Jason Gunthorpe To: "Koenig, Christian" Subject: Re: [PATCH v2 13/15] drm/amdgpu: Use mmu_range_insert instead of hmm_mirror Message-ID: <20191029135936.GD6128@ziepe.ca> References: <20191028201032.6352-1-jgg@ziepe.ca> <20191028201032.6352-14-jgg@ziepe.ca> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) X-Mailman-Approved-At: Wed, 30 Oct 2019 08:14:00 +0000 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=8jOH6aTboFzH2FE5ebDVzGbVS8tkTfz/e6O//bI0tkY=; 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charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Message-ID: <20191029135936.-tA0bmhX71WVqyt-wutj3BZxCeevK2nBZhEiKnxCp1E@z> T24gVHVlLCBPY3QgMjksIDIwMTkgYXQgMDc6NTE6MzBBTSArMDAwMCwgS29lbmlnLCBDaHJpc3Rp YW4gd3JvdGU6Cj4gPiArc3RhdGljIGJvb2wgYW1kZ3B1X21uX2ludmFsaWRhdGVfZ2Z4KHN0cnVj dCBtbXVfcmFuZ2Vfbm90aWZpZXIgKm1ybiwKPiA+ICsJCQkJICAgICBjb25zdCBzdHJ1Y3QgbW11 X25vdGlmaWVyX3JhbmdlICpyYW5nZSkKPiA+ICAgewo+ID4gLQlzdHJ1Y3QgYW1kZ3B1X2JvICpi bzsKPiA+ICsJc3RydWN0IGFtZGdwdV9ibyAqYm8gPSBjb250YWluZXJfb2YobXJuLCBzdHJ1Y3Qg YW1kZ3B1X2JvLCBub3RpZmllcik7Cj4gPiArCXN0cnVjdCBhbWRncHVfZGV2aWNlICphZGV2ID0g YW1kZ3B1X3R0bV9hZGV2KGJvLT50Ym8uYmRldik7Cj4gPiAgIAlsb25nIHI7Cj4gPiAgIAo+ID4g LQlsaXN0X2Zvcl9lYWNoX2VudHJ5KGJvLCAmbm9kZS0+Ym9zLCBtbl9saXN0KSB7Cj4gPiAtCj4g PiAtCQlpZiAoIWFtZGdwdV90dG1fdHRfYWZmZWN0X3VzZXJwdHIoYm8tPnRiby50dG0sIHN0YXJ0 LCBlbmQpKQo+ID4gLQkJCWNvbnRpbnVlOwo+ID4gLQo+ID4gLQkJciA9IGRtYV9yZXN2X3dhaXRf dGltZW91dF9yY3UoYm8tPnRiby5iYXNlLnJlc3YsCj4gPiAtCQkJdHJ1ZSwgZmFsc2UsIE1BWF9T Q0hFRFVMRV9USU1FT1VUKTsKPiA+IC0JCWlmIChyIDw9IDApCj4gPiAtCQkJRFJNX0VSUk9SKCIo JWxkKSBmYWlsZWQgdG8gd2FpdCBmb3IgdXNlciBib1xuIiwgcik7Cj4gPiAtCX0KPiA+ICsJLyog RklYTUU6IElzIHRoaXMgbmVjZXNzYXJ5PyAqLwo+IAo+IE1vc3QgbGlrZWx5IG5vdC4KPiAKPiBD aHJpc3RpYW4uCj4gCj4gPiArCWlmICghYW1kZ3B1X3R0bV90dF9hZmZlY3RfdXNlcnB0cihiby0+ dGJvLnR0bSwgcmFuZ2UtPnN0YXJ0LAo+ID4gKwkJCQkJICByYW5nZS0+ZW5kKSkKPiA+ICsJCXJl dHVybiB0cnVlOwoKU28gaXMgdGhlIGJvLT50Ym8ubWVtLm51bV9wYWdlcyA9PSBiby0+dGJvLnR0 bS5udW1fcGFnZXMgYWx3YXlzPwoKQW5kIHVzZXJwdHIgY2FuJ3QgYmUgemVybyBoZXJlLCBvciBh dCBsZWFzdCBpdCBkb2Vzbid0IG1hdHRlciBpZiBpdCBpcz8KCj4gPiArc3RhdGljIGJvb2wgYW1k Z3B1X21uX2ludmFsaWRhdGVfaHNhKHN0cnVjdCBtbXVfcmFuZ2Vfbm90aWZpZXIgKm1ybiwKPiA+ ICsJCQkJICAgICBjb25zdCBzdHJ1Y3QgbW11X25vdGlmaWVyX3JhbmdlICpyYW5nZSkKPiA+ICAg ewo+ID4gLQlzdHJ1Y3QgYW1kZ3B1X21uICphbW4gPSBjb250YWluZXJfb2YobWlycm9yLCBzdHJ1 Y3QgYW1kZ3B1X21uLCBtaXJyb3IpOwo+ID4gLQl1bnNpZ25lZCBsb25nIHN0YXJ0ID0gdXBkYXRl LT5zdGFydDsKPiA+IC0JdW5zaWduZWQgbG9uZyBlbmQgPSB1cGRhdGUtPmVuZDsKPiA+IC0JYm9v bCBibG9ja2FibGUgPSBtbXVfbm90aWZpZXJfcmFuZ2VfYmxvY2thYmxlKHVwZGF0ZSk7Cj4gPiAt CXN0cnVjdCBpbnRlcnZhbF90cmVlX25vZGUgKml0Owo+ID4gLQo+ID4gLQkvKiBub3RpZmljYXRp b24gaXMgZXhjbHVzaXZlLCBidXQgaW50ZXJ2YWwgaXMgaW5jbHVzaXZlICovCj4gPiAtCWVuZCAt PSAxOwo+ID4gLQo+ID4gLQkvKiBUT0RPIHdlIHNob3VsZCBiZSBhYmxlIHRvIHNwbGl0IGxvY2tp bmcgZm9yIGludGVydmFsIHRyZWUgYW5kCj4gPiAtCSAqIGFtZGdwdV9tbl9pbnZhbGlkYXRlX25v ZGUKPiA+IC0JICovCj4gPiAtCWlmIChhbWRncHVfbW5fcmVhZF9sb2NrKGFtbiwgYmxvY2thYmxl KSkKPiA+IC0JCXJldHVybiAtRUFHQUlOOwo+ID4gLQo+ID4gLQlpdCA9IGludGVydmFsX3RyZWVf aXRlcl9maXJzdCgmYW1uLT5vYmplY3RzLCBzdGFydCwgZW5kKTsKPiA+IC0Jd2hpbGUgKGl0KSB7 Cj4gPiAtCQlzdHJ1Y3QgYW1kZ3B1X21uX25vZGUgKm5vZGU7Cj4gPiAtCj4gPiAtCQlpZiAoIWJs b2NrYWJsZSkgewo+ID4gLQkJCWFtZGdwdV9tbl9yZWFkX3VubG9jayhhbW4pOwo+ID4gLQkJCXJl dHVybiAtRUFHQUlOOwo+ID4gLQkJfQo+ID4gKwlzdHJ1Y3QgYW1kZ3B1X2JvICpibyA9IGNvbnRh aW5lcl9vZihtcm4sIHN0cnVjdCBhbWRncHVfYm8sIG5vdGlmaWVyKTsKPiA+ICsJc3RydWN0IGFt ZGdwdV9kZXZpY2UgKmFkZXYgPSBhbWRncHVfdHRtX2FkZXYoYm8tPnRiby5iZGV2KTsKPiA+ICAg Cj4gPiAtCQlub2RlID0gY29udGFpbmVyX29mKGl0LCBzdHJ1Y3QgYW1kZ3B1X21uX25vZGUsIGl0 KTsKPiA+IC0JCWl0ID0gaW50ZXJ2YWxfdHJlZV9pdGVyX25leHQoaXQsIHN0YXJ0LCBlbmQpOwo+ ID4gKwkvKiBGSVhNRTogSXMgdGhpcyBuZWNlc3Nhcnk/ICovCj4gPiArCWlmICghYW1kZ3B1X3R0 bV90dF9hZmZlY3RfdXNlcnB0cihiby0+dGJvLnR0bSwgcmFuZ2UtPnN0YXJ0LAo+ID4gKwkJCQkJ ICByYW5nZS0+ZW5kKSkKPiA+ICsJCXJldHVybiB0cnVlOwo+ID4gICAKPiA+IC0JCWFtZGdwdV9t bl9pbnZhbGlkYXRlX25vZGUobm9kZSwgc3RhcnQsIGVuZCk7Cj4gPiAtCX0KClRoaXMgb25lIHRv byByaWdodD8KCkphc29uCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9w Lm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1k ZXZlbA==