From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: [PATCH v3] xen/gntdev: Use mempolicy instead of VM_IO flag to avoid NUMA balancing Date: Thu, 17 Nov 2016 15:06:08 -0500 Message-ID: <1479413168-27131-1-git-send-email-boris.ostrovsky@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1c7Suo-0004v3-5X for xen-devel@lists.xenproject.org; Thu, 17 Nov 2016 20:04:10 +0000 List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: avid.vrabel@citrix.com, jgross@suse.com Cc: Boris Ostrovsky , xen-devel@lists.xenproject.org, olaf@aepfle.de, linux-kernel@vger.kernel.org, stable@vger.kernel.org List-Id: xen-devel@lists.xenproject.org Q29tbWl0IDljMTdkOTY1MDBmNyAoInhlbi9nbnRkZXY6IEdyYW50IG1hcHMgc2hvdWxkIG5vdCBi ZSBzdWJqZWN0IHRvCk5VTUEgYmFsYW5jaW5nIikgc2V0IFZNX0lPIGZsYWcgdG8gcHJldmVudCBn cmFudCBtYXBzIGZyb20gYmVpbmcKc3ViamVjdGVkIHRvIE5VTUEgYmFsYW5jaW5nLgoKSXQgd2Fz IGRpc2NvdmVyZWQgcmVjZW50bHkgdGhhdCB0aGlzIGZsYWcgY2F1c2VzIGdldF91c2VyX3BhZ2Vz KCkgdG8KYWx3YXlzIGZhaWwgd2l0aCAtRUZBVUxULgoKY2hlY2tfdm1hX2ZsYWdzCl9fZ2V0X3Vz ZXJfcGFnZXMKX19nZXRfdXNlcl9wYWdlc19sb2NrZWQKX19nZXRfdXNlcl9wYWdlc191bmxvY2tl ZApnZXRfdXNlcl9wYWdlc19mYXN0Cmlvdl9pdGVyX2dldF9wYWdlcwpkaW9fcmVmaWxsX3BhZ2Vz CmRvX2RpcmVjdF9JTwpkb19ibG9ja2Rldl9kaXJlY3RfSU8KZG9fYmxvY2tkZXZfZGlyZWN0X0lP CmV4dDRfZGlyZWN0X0lPX3JlYWQKZ2VuZXJpY19maWxlX3JlYWRfaXRlcgphaW9fcnVuX2lvY2IK Cih3aGljaCBjYW4gaGFwcGVuIGlmIGd1ZXN0J3MgdmRpc2sgaGFzIGRpcmVjdC1pby1zYWZlIG9w dGlvbikuCgpUbyBhdm9pZCB0aGlzIGRvbid0IHVzZSB2bV9mbGFncy4gSW5zdGVhZCwgdXNlIG1l bXBvbGljeSB0aGF0IHByb2hpYml0cwpwYWdlIG1pZ3JhdGlvbiAoaS5lLiBjbGVhciBNUE9MX0Zf TU9GfE1QT0xfRl9NT1JPTikgYW5kIG1ha2Ugc3VyZSB3ZQpkb24ndCBjb25zdWx0IHRhc2sncyBw b2xpY3kgKHdoaWNoIG1heSBpbmNsdWRlIHRob3NlIGZsYWdzKSBpZiB2bWEKZG9lc24ndCBoYXZl IG9uZS4KClJlcG9ydGVkLWJ5OiBPbGFmIEhlcmluZyA8b2xhZkBhZXBmbGUuZGU+ClNpZ25lZC1v ZmYtYnk6IEJvcmlzIE9zdHJvdnNreSA8Ym9yaXMub3N0cm92c2t5QG9yYWNsZS5jb20+CkNjOiBz dGFibGVAdmdlci5rZXJuZWwub3JnCi0tLQpDaGFuZ2VzIGluIHYzOgoqIERvbid0IHVzZSBfX21w b2xfZHVwKCkgYW5kIGdldF90YXNrX3BvbGljeSgpIHdoaWNoIGFyZSBub3QgZXhwb3J0ZWQKICBm b3IgdXNlIGJ5IGRyaXZlcnMuIEFkZCB2bV9vcGVyYXRpb25zX3N0cnVjdC5nZXRfcG9saWN5KCku CiogQ29weSB0byBzdGFibGUKCgogZHJpdmVycy94ZW4vZ250ZGV2LmMgfCAgIDI3ICsrKysrKysr KysrKysrKysrKysrKysrKysrLQogMSBmaWxlcyBjaGFuZ2VkLCAyNiBpbnNlcnRpb25zKCspLCAx IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMveGVuL2dudGRldi5jIGIvZHJpdmVy cy94ZW4vZ250ZGV2LmMKaW5kZXggYmI5NTIxMi4uNjMyZWRkNCAxMDA2NDQKLS0tIGEvZHJpdmVy cy94ZW4vZ250ZGV2LmMKKysrIGIvZHJpdmVycy94ZW4vZ250ZGV2LmMKQEAgLTM1LDYgKzM1LDcg QEAKICNpbmNsdWRlIDxsaW51eC9zcGlubG9jay5oPgogI2luY2x1ZGUgPGxpbnV4L3NsYWIuaD4K ICNpbmNsdWRlIDxsaW51eC9oaWdobWVtLmg+CisjaW5jbHVkZSA8bGludXgvbWVtcG9saWN5Lmg+ CiAKICNpbmNsdWRlIDx4ZW4veGVuLmg+CiAjaW5jbHVkZSA8eGVuL2dyYW50X3RhYmxlLmg+CkBA IC00MzMsMTAgKzQzNCwyOCBAQCBzdGF0aWMgdm9pZCBnbnRkZXZfdm1hX2Nsb3NlKHN0cnVjdCB2 bV9hcmVhX3N0cnVjdCAqdm1hKQogCXJldHVybiBtYXAtPnBhZ2VzWyhhZGRyIC0gbWFwLT5wYWdl c192bV9zdGFydCkgPj4gUEFHRV9TSElGVF07CiB9CiAKKyNpZmRlZiBDT05GSUdfTlVNQQorLyoK KyAqIFdlIGhhdmUgdGhpcyBvcCB0byBtYWtlIHN1cmUgY2FsbGVycyAoc3VjaCBhcyB2bWFfcG9s aWN5X21vZigpKSBkb24ndAorICogY2hlY2sgY3VycmVudCB0YXNrJ3MgcG9saWN5IHdoaWNoIG1h eSBpbmNsdWRlIG1pZ3JhdGUgZmxhZ3MgKE1QT0xfRl9NT0YKKyAqIG9yIE1QT0xfRl9NT1JPTikK KyAqLworc3RhdGljIHN0cnVjdCBtZW1wb2xpY3kgKmdudGRldl92bWFfZ2V0X3BvbGljeShzdHJ1 Y3Qgdm1fYXJlYV9zdHJ1Y3QgKnZtYSwKKwkJCQkJICAgICAgIHVuc2lnbmVkIGxvbmcgYWRkcikK K3sKKwlpZiAobXBvbF9uZWVkc19jb25kX3JlZih2bWEtPnZtX3BvbGljeSkpCisJCW1wb2xfZ2V0 KHZtYS0+dm1fcG9saWN5KTsKKwlyZXR1cm4gdm1hLT52bV9wb2xpY3k7Cit9CisjZW5kaWYKKwog c3RhdGljIGNvbnN0IHN0cnVjdCB2bV9vcGVyYXRpb25zX3N0cnVjdCBnbnRkZXZfdm1vcHMgPSB7 CiAJLm9wZW4gPSBnbnRkZXZfdm1hX29wZW4sCiAJLmNsb3NlID0gZ250ZGV2X3ZtYV9jbG9zZSwK IAkuZmluZF9zcGVjaWFsX3BhZ2UgPSBnbnRkZXZfdm1hX2ZpbmRfc3BlY2lhbF9wYWdlLAorI2lm ZGVmIENPTkZJR19OVU1BCisJLmdldF9wb2xpY3kgPSBnbnRkZXZfdm1hX2dldF9wb2xpY3ksCisj ZW5kaWYKIH07CiAKIC8qIC0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLSAqLwpAQCAtMTAwNyw3ICsxMDI2LDEzIEBAIHN0YXRp YyBpbnQgZ250ZGV2X21tYXAoc3RydWN0IGZpbGUgKmZsaXAsIHN0cnVjdCB2bV9hcmVhX3N0cnVj dCAqdm1hKQogCiAJdm1hLT52bV9vcHMgPSAmZ250ZGV2X3Ztb3BzOwogCi0Jdm1hLT52bV9mbGFn cyB8PSBWTV9ET05URVhQQU5EIHwgVk1fRE9OVERVTVAgfCBWTV9JTzsKKwl2bWEtPnZtX2ZsYWdz IHw9IFZNX0RPTlRFWFBBTkQgfCBWTV9ET05URFVNUDsKKworI2lmZGVmIENPTkZJR19OVU1BCisJ LyogUHJldmVudCBOVU1BIGJhbGFuY2luZyAqLworCWlmICh2bWEtPnZtX3BvbGljeSkKKwkJdm1h LT52bV9wb2xpY3ktPmZsYWdzICY9IH4oTVBPTF9GX01PRiB8IE1QT0xfRl9NT1JPTik7CisjZW5k aWYKIAogCWlmICh1c2VfcHRlbW9kKQogCQl2bWEtPnZtX2ZsYWdzIHw9IFZNX0RPTlRDT1BZOwot LSAKMS43LjEKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8v bGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK