From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Herrmann Subject: Re: [PATCH 05/11] iommu/arm-smmu: Check for duplicate stream IDs when registering master devices Date: Thu, 23 Jan 2014 22:17:49 +0100 Message-ID: <20140123211749.GE26399@alberich> References: <1389876263-25759-1-git-send-email-andreas.herrmann@calxeda.com> <1389876263-25759-6-git-send-email-andreas.herrmann@calxeda.com> <20140122155302.GF14108@mudshark.cambridge.arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20140122155302.GF14108-MRww78TxoiP5vMa5CHWGZ34zcgK1vI+I0E9HWUfgJXw@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Will Deacon Cc: Andreas Herrmann , "iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org" , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" List-Id: iommu@lists.linux-foundation.org T24gV2VkLCBKYW4gMjIsIDIwMTQgYXQgMDM6NTM6MDJQTSArMDAwMCwgV2lsbCBEZWFjb24gd3Jv dGU6Cj4gT24gVGh1LCBKYW4gMTYsIDIwMTQgYXQgMTI6NDQ6MTdQTSArMDAwMCwgQW5kcmVhcyBI ZXJybWFubiB3cm90ZToKPiA+IENjOiBBbmRyZWFzIEhlcnJtYW5uIDxoZXJybWFubi5kZXIudXNl ckBnb29nbGVtYWlsLmNvbT4KPiA+IFNpZ25lZC1vZmYtYnk6IEFuZHJlYXMgSGVycm1hbm4gPGFu ZHJlYXMuaGVycm1hbm5AY2FseGVkYS5jb20+Cj4gPiAtLS0KPiA+ICBkcml2ZXJzL2lvbW11L2Fy bS1zbW11LmMgfCAgIDI1ICsrKysrKysrKysrKysrKysrKysrKystLS0KPiA+ICAxIGZpbGUgY2hh bmdlZCwgMjIgaW5zZXJ0aW9ucygrKSwgMyBkZWxldGlvbnMoLSkKPiA+IAo+ID4gZGlmZiAtLWdp dCBhL2RyaXZlcnMvaW9tbXUvYXJtLXNtbXUuYyBiL2RyaXZlcnMvaW9tbXUvYXJtLXNtbXUuYwo+ ID4gaW5kZXggMDJhODcxZS4uYTRlMGM5MyAxMDA2NDQKPiA+IC0tLSBhL2RyaXZlcnMvaW9tbXUv YXJtLXNtbXUuYwo+ID4gKysrIGIvZHJpdmVycy9pb21tdS9hcm0tc21tdS5jCj4gPiBAQCAtNTYs NiArNTYsOSBAQAo+ID4gIC8qIE1heGltdW0gbnVtYmVyIG9mIHN0cmVhbSBJRHMgYXNzaWduZWQg dG8gYSBzaW5nbGUgZGV2aWNlICovCj4gPiAgI2RlZmluZSBNQVhfTUFTVEVSX1NUUkVBTUlEUwkJ OAo+ID4gIAo+ID4gKy8qIE1heGltdW0gc3RyZWFtIElEICovCj4gPiArI2RlZmluZSBBUk1fU01N VV9NQVhfU1RSRUFNSUQJCShTWl82NEsgLSAxKQo+ID4gKwo+ID4gIC8qIE1heGltdW0gbnVtYmVy IG9mIGNvbnRleHQgYmFua3MgcGVyIFNNTVUgKi8KPiA+ICAjZGVmaW5lIEFSTV9TTU1VX01BWF9D QlMJCTEyOAo+ID4gIAo+ID4gQEAgLTM4Niw2ICszODksOCBAQCBzdHJ1Y3QgYXJtX3NtbXVfZGV2 aWNlIHsKPiA+ICAJdTMyCQkJCXNtcl9tYXNrX21hc2s7Cj4gPiAgCXUzMgkJCQlzbXJfaWRfbWFz azsKPiA+ICAKPiA+ICsJdW5zaWduZWQgbG9uZwkJCSpzaWRzOwo+IAo+IERFQ0xBUkVfQklUTUFQ IGluc3RlYWQ/CgpJIHdhbnRlZCB0byBhbGxvY2F0ZSB0aGUgYml0bWFwIHdoaWNoIGJ0dyBhbGxv d3MgdXMgdG8gLi4uIFvihpIgc2VlIGVuZApvZiBtYWlsXQoKPiBIb3dldmVyLCB0aGF0J3MgYW4g OGsgYml0bWFwIGp1c3QgZm9yIHNhbml0eSBjaGVja2luZywgd2hpY2ggSSdtIG5vdAo+IHRvbyBm b25kIG9mLgoKWWVzLCBJIHRob3VnaHQgdGhlIHNhbWUuIEJ1dCBmaW5hbGx5IEkgdGhvdWdodCBp dCdzIHdvcnRoIGl0LgoKPiBHaXZlbiB0aGF0IHRoZSBtb3RpdmF0aW9uIGZvciB0aGUgY2hlY2tp bmcgd2FzIHlvdXIgc21yIGFsbG9jYXRvciwKPiBwZXJoYXBzIGl0J3Mgc3VmZmljaWVudCBqdXN0 IHRvIGRvIHRoZSBjaGVja2luZyBvbiBhIHBlci1tYXN0ZXIKPiBiYXNpcywgd2hpY2ggd2UgY2Fu IGRvIHdpdGggdGhlIGV4aGF1c3RpdmUgc2VhcmNoIGVhY2ggdGltZS4KCkEgcGVyLW1hc3RlciBi YXNpcyBpcyBub3Qgc3VmZmljaWVudC4gSWYgeW91IGFyZ3VlIHRoYXQgc29tZW9uZSBjb3VsZApo YXZlIHNwZWNpZmllZCB0aGUgc2FtZSBzdHJlYW0gSUQgdHdpY2UgZm9yIG9uZSBtYXN0ZXIgaW4g RFQgaG93IGFyZQpjaGFuY2VzIHRoYXQgdGhlIHNhbWUgc3RyZWFtIElEIHNob3dzIHVwIHR3aWNl IGJ1dCBmb3IgZGlmZmVyZW50Cm1hc3RlciBkZXZpY2VzPwoKSSB0aGluayB3ZSBoYXZlIHRvIGNo ZWNrIHRoaXMgKGluZGVwZW5kZW50IG9mIG15IHNtciBhbGxvY2F0b3IpLgpJZiB0d28gbWFzdGVy cyBhY2NpZGVudGlhbGx5IHNoYXJlIHRoZS9hbiBJRDoKCiogU3RyZWFtIElEIG1hdGNoaW5nICh3 L28gYSBtYXNrLCBqdXN0IHVzZSBvbmUgU01SIHRvIG1hcCBvbmUgc3RyZWFtCiAgSUQpOiBJdCBw cm9hYmx5IHdpbGwgY2F1c2UgYSBtdWx0aSBtYXRjaCB3aXRoIHVuZGlmaW5lZCBiZWhhdmlvdXIu CgoqIFN0cmVhbSBJRCBpbmRleGluZzogWW91IHdvdWxkIG92ZXJ3cml0ZSBhbiBhbHJlYWR5IHVz ZWQgUzJDUiAoaWYKICB0aGVyZSBhcmUgbm8gZnVydGhlciBwcmVjYXV0aW9ucykuCgpUaGF0IGlz IHdoeSBJIHRoaW5rIGEgY2hlY2sgdG8gcmVqZWN0IGR1cGxpY2F0ZSBzdHJlYW0gSURzIGFtb25n IGFsbAptYXN0ZXJzIGZvciBvbmUgU01NVSBpcyByZXF1aXJlZC4KCklmIHRoaXMgaXMgbmVlZGVk LCBleGhhdXN0aXZlIHNlYXJjaCBkb2Vzbid0IHNlZW0gdG8gYmUgYSBnb29kIGlkZWEsCmJlY2F1 c2UgaWYgeW91IGhhdmUgYSBkaXN0cmlidXRlZCBTTU1VIC0tIG9uZSBUQ1UgKEkgdGhpbmsgdGhh dCdzCndoZXJlIHRoZSBTTVJzIGFyZSksIGFuZCBtYW55IFRCVXMgLS0geW91IG1pZ2h0IGhhdmUg c2V2ZXJhbCBtYXN0ZXIKZGV2aWNlcyBhdHRhY2hlZCAobWFueSBtb3JlIHRoYW4gaW4gY3VycmVu dCBzeXN0ZW1zKS4gRWFjaCBtYXN0ZXIKcG90ZW50aWFsbHkgaGFzIHNldmVyYWwgc3RyZWFtIElE cyAuLi4gIEVzcC4gaW4gdGhpcyBjYXNlIDhrIGZvciBkb2luZwp0aGUgY2hlY2sgaXNuJ3QgYW4g aXNzdWUuCgpNYXliZSBhIGNvbXByb21pc2UgaXMgdG8gCgouLi4gZnJlZSB0aGUgYml0bWFwIGFm dGVyIHRoZSBjaGVjayBpcyBkb25lLgoKCkFuZHJlYXMKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KaW9tbXUgbWFpbGluZyBsaXN0CmlvbW11QGxpc3RzLmxp bnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWls bWFuL2xpc3RpbmZvL2lvbW11