From mboxrd@z Thu Jan 1 00:00:00 1970 From: Quan Xu Subject: [PATCH v2 0/2] Make the pcidevs_lock a recursive one Date: Wed, 9 Mar 2016 11:08:07 +0800 Message-ID: <1457492889-36625-1-git-send-email-quan.xu@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: xen-devel@lists.xen.org Cc: Kevin Tian , Feng Wu , Jan Beulich , Andrew Cooper , Dario Faggioli , Suravee Suthikulpanit , Quan Xu , Keir Fraser List-Id: xen-devel@lists.xenproject.org VGhpcyBwYXRjaCBzZXQgbWFrZXMgdGhlIHBjaWRldnNfbG9jayBhIHJlY3Vyc2l2ZSBvbmUuIEl0 IGlzIGEgcHJlcmVxCnBhdGNoIHNldCBmb3IgUGF0Y2g6J1ZULWQgRGV2aWNlLVRMQiBmbHVzaCBp c3N1ZScsIGFzIHRoZSBwY2lkZXZzX2xvY2sKbWF5IGJlIHJlY3Vyc2l2ZWx5IGhlbGQgZm9yIGhp ZGluZyB0aGUgQVRTIGRldmljZSwgd2hlbiBWVC1kIERldmljZS1UTEIKZmx1c2ggdGltZWQgb3V0 LgoKSW4gZGV0YWlsOgoxLiBGaXggYSBidWcgZm91bmQgaW4gQU1EIElPTU1VIGluaXRpYWxpemF0 aW9uLgoKICBXaGVuIGlvbW11X3NldHVwKCkgaXMgY2FsbGVkIGluIF9fc3RhcnRfeGVuKCksIGlu dGVycnVwdHMgaGF2ZQogIGFscmVhZHkgYmVlbiBlbmFibGVkLCBhbmQgbm90aGluZyBkaXNhYmxl cyAod2l0aG91dCByZWVuYWJsaW5nKQogIHRoZW0gYWdhaW4gaW4gdGhlIHBhdGggdGhhdCBsZWFk cyB0byBjYWxsaW5nCiAgc2V0X2lvbW11X2ludGVycnVwdF9oYW5kbGVyKCkuIFRoZXJlJ3MgdGhl cmVmb3JlIG5vIHJpc2sgb2YgdGhlbQogIGJlaW5nIGRpc2FibGVkIGFuZCBuZWVkaW5nIHJlbWFp bmluZyBzbywgYW5kIGhlbmNlIG5vIG5lZWQgZm9yCiAgc2F2aW5nIGFuZCByZXN0b3JpbmcgdGhl IGZsYWdzLiBUaGlzIG1lYW5zIHRoYXQsIGV2ZW4gaWYgaW50ZXJydXB0CiAgd291bGQgbmVlZCB0 byBiZSBkaXNhYmxlZCB3aGVuIHRha2luZyBwY2lkZXZzX2xvY2ssIHNwaW5fbG9ja19pcnEoKQog IGFuZCBzcGluX3VubG9ja19pcnEoKSBjb3VsZCBiZSB1c2VkLgoKICBJbnNpZGUgc2V0X2lvbW11 X2ludGVycnVwdF9oYW5kbGVyKCksIHBjaWRldnNfbG9jayBzZXJpYWxpemVzIGNhbGxzCiAgdG8g cGNpX2dldF9wZGV2KCksIHdoaWNoIGRvZXMgbm90IHJlcXVpcmUgaW50ZXJydXB0cyB0byBiZSBk aXNhYmxlZAogIGR1cmluZyBpdHMgZXhlY3V0aW9uLiBJbiBmYWN0LCBwY2lkZXZzX2xvY2sgaXMg YWx3YXlzIChleGNlcHQgZm9yCiAgdGhpcyBjYXNlKSB0YWtlbiB3aXRob3V0IGRpc2FibGluZyBp bnRlcnJ1cHRzLCBhbmQgZGlzYWJsaW5nIHRoZW0gaW4KICB0aGlzIGNhc2Ugd291bGQgbWFrZSB0 aGUgQlVHX09OKCkgaW4gY2hlY2tfbG9jaygpIHRyaWdnZXIsIGlmIGl0CiAgd2Fzbid0IGZvciB0 aGUgZmFjdCB0aGF0IHNwaW5sb2NrIGRlYnVnZ2luZyBjaGVja3MgYXJlIHN0aWxsCiAgZGlzYWJs ZWQsIGR1cmluZyBpbml0aWFsaXphdGlvbiwgd2hlbiBpb21tdV9zZXR1cCgpICh3aGljaCB0aGVu IGVuZAogIHVwIGNhbGxpbmcgc2V0X2lvbW11X2ludGVycnVwdF9oYW5kbGVyKCkpIGlzIGNhbGxl ZC4KCiAgSW4gb3JkZXIgdG8gZml4IHRoaXMsIHdlIGNhbiB1c2UganVzdCBwbGFpbiBzcGluX2xv Y2soKSBhbmQgc3Bpbl91bmxvY2soKSwKICBpbnN0ZWFkIG9mIHNwaW5fbG9ja19pcnFzYXZlKCkg YW5kIHNwaW5fdW5sb2NrX2lycXJlc3RvcmUoKS4KCjIuICBNYWtlIHRoZSBwY2lkZXZzX2xvY2sg YSByZWN1cnNpdmUgb25lLgoKQ0M6IEtlaXIgRnJhc2VyIDxrZWlyQHhlbi5vcmc+CkNDOiBKYW4g QmV1bGljaCA8amJldWxpY2hAc3VzZS5jb20+CkNDOiBBbmRyZXcgQ29vcGVyIDxhbmRyZXcuY29v cGVyM0BjaXRyaXguY29tPgpDQzogU3VyYXZlZSBTdXRoaWt1bHBhbml0IDxzdXJhdmVlLnN1dGhp a3VscGFuaXRAYW1kLmNvbT4KQ0M6IEZlbmcgV3UgPGZlbmcud3VAaW50ZWwuY29tPgpDQzogS2V2 aW4gVGlhbiA8a2V2aW4udGlhbkBpbnRlbC5jb20+CkNDOiBEYXJpbyBGYWdnaW9saSA8ZGFyaW8u ZmFnZ2lvbGlAY2l0cml4LmNvbT4KCi0tQ2hhbmdlcyBpbiB2MjoKICogRW5oYW5jZSBwYXRjaDEv MiBjaGFuZ2Vsb2cuCiAqIFJlYmFzZSBhZ2FpbnN0IDFiZDUyZTFmZDY2YzQuCgoKUXVhbiBYdSAo Mik6CiAgSU9NTVUvc3BpbmxvY2s6IEZpeCBhIGJ1ZyBmb3VuZCBpbiBBTUQgSU9NTVUgaW5pdGlh bGl6YXRpb24uCiAgSU9NTVUvc3BpbmxvY2s6IE1ha2UgdGhlIHBjaWRldnNfbG9jayBhIHJlY3Vy c2l2ZSBvbmUKCiB4ZW4vYXJjaC94ODYvZG9tY3RsLmMgICAgICAgICAgICAgICAgICAgICAgIHwg IDggKy0tCiB4ZW4vYXJjaC94ODYvaHZtL3Ztc2kuYyAgICAgICAgICAgICAgICAgICAgIHwgIDQg Ky0KIHhlbi9hcmNoL3g4Ni9pcnEuYyAgICAgICAgICAgICAgICAgICAgICAgICAgfCAgOCArLS0K IHhlbi9hcmNoL3g4Ni9tc2kuYyAgICAgICAgICAgICAgICAgICAgICAgICAgfCAxNiArKy0tLQog eGVuL2FyY2gveDg2L3BjaS5jICAgICAgICAgICAgICAgICAgICAgICAgICB8ICA0ICstCiB4ZW4v YXJjaC94ODYvcGh5c2Rldi5jICAgICAgICAgICAgICAgICAgICAgIHwgMTYgKystLS0KIHhlbi9j b21tb24vc3lzY3RsLmMgICAgICAgICAgICAgICAgICAgICAgICAgfCAgNCArLQogeGVuL2RyaXZl cnMvcGFzc3Rocm91Z2gvYW1kL2lvbW11X2luaXQuYyAgICB8ICA5ICsrLQogeGVuL2RyaXZlcnMv cGFzc3Rocm91Z2gvYW1kL2lvbW11X21hcC5jICAgICB8ICAyICstCiB4ZW4vZHJpdmVycy9wYXNz dGhyb3VnaC9hbWQvcGNpX2FtZF9pb21tdS5jIHwgIDQgKy0KIHhlbi9kcml2ZXJzL3Bhc3N0aHJv dWdoL3BjaS5jICAgICAgICAgICAgICAgfCA5NiArKysrKysrKysrKysrKysrKy0tLS0tLS0tLS0t LQogeGVuL2RyaXZlcnMvcGFzc3Rocm91Z2gvdnRkL2ludHJlbWFwLmMgICAgICB8ICAyICstCiB4 ZW4vZHJpdmVycy9wYXNzdGhyb3VnaC92dGQvaW9tbXUuYyAgICAgICAgIHwgMTQgKystLS0KIHhl bi9kcml2ZXJzL3ZpZGVvL3ZnYS5jICAgICAgICAgICAgICAgICAgICAgfCAgNCArLQogeGVuL2lu Y2x1ZGUveGVuL3BjaS5oICAgICAgICAgICAgICAgICAgICAgICB8ICA1ICstCiAxNSBmaWxlcyBj aGFuZ2VkLCAxMDkgaW5zZXJ0aW9ucygrKSwgODcgZGVsZXRpb25zKC0pCgotLSAKMS45LjEKCgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwg bWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHA6Ly9saXN0cy54ZW4ub3Jn L3hlbi1kZXZlbAo=