From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: [PATCH 04/15] xen/arm: p2m: Reduce the locking section in get_page_from_gva Date: Mon, 16 Jul 2018 18:27:01 +0100 Message-ID: <20180716172712.20294-5-julien.grall@arm.com> References: <20180716172712.20294-1-julien.grall@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ff7HQ-0006RC-Op for xen-devel@lists.xenproject.org; Mon, 16 Jul 2018 17:27:24 +0000 In-Reply-To: <20180716172712.20294-1-julien.grall@arm.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: xen-devel@lists.xenproject.org Cc: Julien Grall , sstabellini@kernel.org List-Id: xen-devel@lists.xenproject.org VGhlIHAybSBsb2NrIGlzIG9ubHkgbmVjZXNzYXJ5IHRvIHByZXZlbnQgZ3ZpcnRfdG9fbWFkZHIg ZmFpbGluZyB3aGVuCmJyZWFrLWJlZm9yZS1tYWtlIHNlcXVlbmNlIGlzIHVzZWQgaW4gdGhlIFAy TSB1cGRhdGUgY29uY3VycmVudGx5IG9uCmFub3RoZXIgcENQVS4gU28gcmVkdWNlIHRoZSBsb2Nr aW5nIHNlY3Rpb24uCgpTaWduZWQtb2ZmLWJ5OiBKdWxpZW4gR3JhbGwgPGp1bGllbi5ncmFsbEBh cm0uY29tPgoKLS0tCgogICAgTm90ZSBhIG5ld2xpbmUgaGFzIGJlZW4gZHJvcHBlZCB0byBrZWVw IHRoZSBibG9jayB0b2dldGhlci4KLS0tCiB4ZW4vYXJjaC9hcm0vcDJtLmMgfCA4ICsrKysrLS0t CiAxIGZpbGUgY2hhbmdlZCwgNSBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQoKZGlmZiAt LWdpdCBhL3hlbi9hcmNoL2FybS9wMm0uYyBiL3hlbi9hcmNoL2FybS9wMm0uYwppbmRleCAxNDc5 MTM4OGFkLi41Y2E3ZmZlNDFiIDEwMDY0NAotLS0gYS94ZW4vYXJjaC9hcm0vcDJtLmMKKysrIGIv eGVuL2FyY2gvYXJtL3AybS5jCkBAIC0xNDE1LDkgKzE0MTUsMTMgQEAgc3RydWN0IHBhZ2VfaW5m byAqZ2V0X3BhZ2VfZnJvbV9ndmEoc3RydWN0IHZjcHUgKnYsIHZhZGRyX3QgdmEsCiAgICAgaWYg KCB2ICE9IGN1cnJlbnQgKQogICAgICAgICByZXR1cm4gTlVMTDsKIAorICAgIC8qCisgICAgICog VGhlIGxvY2sgaXMgaGVyZSB0byBwcm90ZWN0IHVzIGFnYWluc3QgdGhlIGJyZWFrLWJlZm9yZS1t YWtlCisgICAgICogc2VxdWVuY2UgdXNlZCB3aGVuIHVwZGF0aW5nIHRoZSBlbnRyeS4KKyAgICAg Ki8KICAgICBwMm1fcmVhZF9sb2NrKHAybSk7Ci0KICAgICBwYXIgPSBndmlydF90b19tYWRkcih2 YSwgJm1hZGRyLCBmbGFncyk7CisgICAgcDJtX3JlYWRfdW5sb2NrKHAybSk7CiAKICAgICBpZiAo IHBhciApCiAgICAgewpAQCAtMTQ0NSw4ICsxNDQ5LDYgQEAgc3RydWN0IHBhZ2VfaW5mbyAqZ2V0 X3BhZ2VfZnJvbV9ndmEoc3RydWN0IHZjcHUgKnYsIHZhZGRyX3QgdmEsCiAgICAgfQogCiBlcnI6 Ci0gICAgcDJtX3JlYWRfdW5sb2NrKHAybSk7Ci0KICAgICBpZiAoICFwYWdlICYmIHAybS0+bWVt X2FjY2Vzc19lbmFibGVkICkKICAgICAgICAgcGFnZSA9IHAybV9tZW1fYWNjZXNzX2NoZWNrX2Fu ZF9nZXRfcGFnZSh2YSwgZmxhZ3MsIHYpOwogCi0tIAoyLjExLjAKCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhl bi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3Jn L21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs