From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: WARN_ON(irqs_disabled()) in dma_free_attrs? From: Fredrik Noring Message-Id: <20180622145603.GA17701@localhost.localdomain> Date: Fri, 22 Jun 2018 16:56:05 +0200 To: Christoph Hellwig , Robin Murphy Cc: Alan Stern , Marek Szyprowski , iommu@lists.linux-foundation.org, USB list , =?utf-8?Q?J=C3=BCrgen?= Urban , "Maciej W. Rozycki" List-ID: SGkgUm9iaW4sIENocmlzdG9waCwKCk9uIFRodSwgTWFyIDE1LCAyMDE4IGF0IDAxOjExOjAzUE0g KzAwMDAsIFJvYmluIE11cnBoeSB3cm90ZToKPiBPbiAxNS8wMy8xOCAwNzo1OCwgQ2hyaXN0b3Bo IEhlbGx3aWcgd3JvdGU6Cj4gPiBPbiBXZWQsIE1hciAxNCwgMjAxOCBhdCAwNTo0Mzo0NlBNICsw MDAwLCBSb2JpbiBNdXJwaHkgd3JvdGU6Cj4gPiA+ID4gU28gbWF5YmUgZm9yIG5vdyB0aGUgcXVp Y2sgZml4IGlzIHRvIG1vdmUgdGhlIHNsZWVwIGNoZWNrIGFzIHN1Z2dlc3RlZAo+ID4gPiA+IGVh cmxpZXIgaW4gdGhpcyB0aHJlYWQsIGJ1dCBpbiB0aGUgbG9uZyBydW4gd2UgcHJvYmFibHkgbmVl ZCB0byBkbyBzb21lCj4gPiA+ID4gbWFqb3IgcmV3b3JrIG9mIGhvdyBkbWFfZGVjbGFyZV9jb2hl cmVudF9tZW1vcnkgYW5kIGZyaWVuZHMgd29yay4KPiA+ID4gCj4gPiA+IE1heWJlOyBJIGRvIHRo aW5rIHRoZSBzcGVjaWZpYyBoY2RfYWxsb2NfY29oZXJlbnQoKSBjYXNlIGNvdWxkIHN0aWxsIGJl Cj4gPiA+IGZpeGVkIHdpdGhpbiB0aGUgc2NvcGUgb2YgdGhlIGV4aXN0aW5nIGNvZGUsIGJ1dCBp dCdzIG5vdCBxdWl0ZSBhcyBjbGVhbgo+ID4gPiBhbmQgc3RyYWlnaHRmb3J3YXJkIGFzIEkgZmly c3QgdGhvdWdodCwgYW5kIHRoZSBwcmFjdGljYWwgaW1wYWN0IG9mCj4gPiA+IHR3ZWFraW5nIHRo ZSBXQVJOIHNob3VsZCBiZSBlZmZlY3RpdmVseSB6ZXJvIGRlc3BpdGUgdGhlIHRoZW9yZXRpY2Fs IGVkZ2UKPiA+ID4gY2FzZXMgaXQgb3BlbnMgdXAuIERvIHlvdSB3YW50IG1lIHRvIHdyaXRlIGl0 IHVwIGFzIGEgcHJvcGVyIHBhdGNoPwo+ID4gCj4gPiBZZXMuICBJbmNsdWRpbmcgYSBwcm9wZXIg Y29tbWVudCBvbiB3aHkgdGhlIG1pZ2h0X3NsZWVwIGlzIHBsYWNlZCB0aGVyZS4KPiAKPiBPSywg d2lsbCBkby4KCkhvdyBpcyB0byBnb2luZyB3aXRoIG1vdmluZyB0aGUgc2xlZXAgY2hlY2s/CgpB bm90aGVyIHJlZ3Jlc3Npb24gdHJpZ2dlcmVkIGJ5IHRoZSBPSENJIHR1cm5lZCB1cCBpbiB2NC4x NiB3aXRoIGNvbW1pdAoyMDVlMWI3ZjUxZTRhZjI2ICJkbWEtbWFwcGluZzogd2FybiB3aGVuIHRo ZXJlIGlzIG5vIGNvaGVyZW50X2RtYV9tYXNrIgpieSBDaHJpc3RvcGggSGVsbHdpZzoKCi0tLS0t LS0tLS0tLVsgY3V0IGhlcmUgXS0tLS0tLS0tLS0tLQpXQVJOSU5HOiBDUFU6IDAgUElEOiA2MiBh dCAuL2luY2x1ZGUvbGludXgvZG1hLW1hcHBpbmcuaDo1MTYgb2hjaV9zZXR1cCsweDQxYy8weDQy NCBbb2hjaV9oY2RdCk1vZHVsZXMgbGlua2VkIGluOiBvaGNpX3BzMigrKSBvaGNpX2hjZCB1c2Jj b3JlIHVzYl9jb21tb24gc2RfbW9kIGlvcCBpb3BfZmlvIGlvcF9tb2R1bGUgaW9wX21lbW9yeSBz aWYKQ1BVOiAwIFBJRDogNjIgQ29tbTogbW9kcHJvYmUgTm90IHRhaW50ZWQgNC4xNi4wKyAjMTUz MwpTdGFjayA6IDAwMDAwMDAwIDAwMDAwMDAwIDgwNzQ3MzkyIDAwMDAwMDM3IDgxYzZlYjBjIDgw NGYzMmU3IDgwNDkzYjI0IDAwMDAwMDNlCiAgICAgICAgODA3NDM0OTggMDAwMDAyMDQgMDAwMDAw MDEgYzAxYzAwMDAgODAyYTJmYTAgMTAwNThjMDAgODFlYTVhNjggODA0ZmFjYzAKICAgICAgICAw MDAwMDAwMCAwMDAwMDAwMCA4MDc0MDAwMCAwMDAwMDAwNyAwMDAwMDAwMCAwMDAwMDA2MCAwMDAw MDAwMCAwMDAwMDAwMAogICAgICAgIDNhNmQ2ZDZmIDAwMDAwMDAwIDAwMDAwMDVmIDY0NmY2ZDIw IDgwMDAwMDAwIDAwMDAwMDAwIGMwMWU2NmU4IGMwMWU4MTNjCiAgICAgICAgMDAwMDAwMDkgMDAw MDAyMDQgMDAwMDAwMDEgYzAxYzAwMDAgMDAwMDAwMTggODAyNzhmZTAgMDAwNzU3OWYgMDAwMDAw MDEKICAgICAgICAuLi4KQ2FsbCBUcmFjZToKWzw4MDAxZDZlND5dIHNob3dfc3RhY2srMHg3NC8w eDEwNApbPDgwMDMyM2E4Pl0gX193YXJuKzB4MTE4LzB4MTIwCls8ODAwMzI0NmM+XSB3YXJuX3Ns b3dwYXRoX251bGwrMHg0NC8weDU4Cls8YzAxZTY2ZTg+XSBvaGNpX3NldHVwKzB4NDFjLzB4NDI0 IFtvaGNpX2hjZF0KWzxjMDFmMjA5Yz5dIG9oY2lfcHMyX3Jlc2V0KzB4MzAvMHg3MCBbb2hjaV9w czJdCls8YzAxYThhZWM+XSB1c2JfYWRkX2hjZCsweDJkNC8weDg5YyBbdXNiY29yZV0KWzxjMDFm MjM2MD5dIG9oY2lfaGNkX3BzMl9wcm9iZSsweDI4NC8weDJhNCBbb2hjaV9wczJdCls8ODAyYThh NzQ+XSBwbGF0Zm9ybV9kcnZfcHJvYmUrMHgyYy8weDY4Cls8ODAyYTcwYjQ+XSBkcml2ZXJfcHJv YmVfZGV2aWNlKzB4MjJjLzB4MmU0Cls8ODAyYTcxZjA+XSBfX2RyaXZlcl9hdHRhY2grMHg4NC8w eGM4Cls8ODAyYTUzZmM+XSBidXNfZm9yX2VhY2hfZGV2KzB4NjAvMHg5MApbPDgwMmE2NTgwPl0g YnVzX2FkZF9kcml2ZXIrMHgxYjgvMHgyMDAKWzw4MDJhNzk4MD5dIGRyaXZlcl9yZWdpc3Rlcisw eGMwLzB4MTAwCls8ODAwMTA2YmM+XSBkb19vbmVfaW5pdGNhbGwrMHgxN2MvMHgxOTAKWzw4MDA4 NDFmND5dIGRvX2luaXRfbW9kdWxlKzB4NzQvMHgxZjAKWzw4MDA4MmYzMD5dIGxvYWRfbW9kdWxl KzB4MTY4MC8weDIwNDQKWzw4MDA4M2FkYz5dIFN5U19maW5pdF9tb2R1bGUrMHhhMC8weGI4Cls8 ODAwMjE5MGM+XSBzeXNjYWxsX2NvbW1vbisweDM0LzB4NTgKLS0tWyBlbmQgdHJhY2UgZTcxNzM4 YjVmYTZiZjlhYSBdLS0tCgpGcmVkcmlrCi0tLQpUbyB1bnN1YnNjcmliZSBmcm9tIHRoaXMgbGlz dDogc2VuZCB0aGUgbGluZSAidW5zdWJzY3JpYmUgbGludXgtdXNiIiBpbgp0aGUgYm9keSBvZiBh IG1lc3NhZ2UgdG8gbWFqb3Jkb21vQHZnZXIua2VybmVsLm9yZwpNb3JlIG1ham9yZG9tbyBpbmZv IGF0ICBodHRwOi8vdmdlci5rZXJuZWwub3JnL21ham9yZG9tby1pbmZvLmh0bWwK