From mboxrd@z Thu Jan 1 00:00:00 1970 From: jglisse@redhat.com Subject: [PATCH v4 5/9] mm/mmu_notifier: mmu_notifier_range_update_to_read_only() helper Date: Wed, 23 Jan 2019 17:23:11 -0500 Message-ID: <20190123222315.1122-6-jglisse@redhat.com> References: <20190123222315.1122-1-jglisse@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190123222315.1122-1-jglisse@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: linux-mm@kvack.org Cc: Ralph Campbell , Jan Kara , Arnd Bergmann , kvm@vger.kernel.org, Matthew Wilcox , linux-rdma@vger.kernel.org, John Hubbard , Felix Kuehling , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Dan Williams , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Michal Hocko , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Jason Gunthorpe , Ross Zwisler , linux-fsdevel@vger.kernel.org, Paolo Bonzini , Andrew Morton , =?UTF-8?q?Christian=20K=C3=B6nig?= List-Id: linux-rdma@vger.kernel.org RnJvbTogSsOpcsO0bWUgR2xpc3NlIDxqZ2xpc3NlQHJlZGhhdC5jb20+CgpIZWxwZXIgdG8gdGVz dCBpZiBhIHJhbmdlIGlzIHVwZGF0ZWQgdG8gcmVhZCBvbmx5IChpdCBpcyBzdGlsbCB2YWxpZAp0 byByZWFkIGZyb20gdGhlIHJhbmdlKS4gVGhpcyBpcyB1c2VmdWwgZm9yIGRldmljZSBkcml2ZXIg b3IgYW55b25lCndobyB3aXNoIHRvIG9wdGltaXplIG91dCB1cGRhdGUgd2hlbiB0aGV5IGtub3cg dGhhdCB0aGV5IGFscmVhZHkgaGF2ZQp0aGUgcmFuZ2UgbWFwIHJlYWQgb25seS4KClNpZ25lZC1v ZmYtYnk6IErDqXLDtG1lIEdsaXNzZSA8amdsaXNzZUByZWRoYXQuY29tPgpDYzogQ2hyaXN0aWFu IEvDtm5pZyA8Y2hyaXN0aWFuLmtvZW5pZ0BhbWQuY29tPgpDYzogSmFuIEthcmEgPGphY2tAc3Vz ZS5jej4KQ2M6IEZlbGl4IEt1ZWhsaW5nIDxGZWxpeC5LdWVobGluZ0BhbWQuY29tPgpDYzogSmFz b24gR3VudGhvcnBlIDxqZ2dAbWVsbGFub3guY29tPgpDYzogQW5kcmV3IE1vcnRvbiA8YWtwbUBs aW51eC1mb3VuZGF0aW9uLm9yZz4KQ2M6IE1hdHRoZXcgV2lsY294IDxtYXdpbGNveEBtaWNyb3Nv ZnQuY29tPgpDYzogUm9zcyBad2lzbGVyIDx6d2lzbGVyQGtlcm5lbC5vcmc+CkNjOiBEYW4gV2ls bGlhbXMgPGRhbi5qLndpbGxpYW1zQGludGVsLmNvbT4KQ2M6IFBhb2xvIEJvbnppbmkgPHBib256 aW5pQHJlZGhhdC5jb20+CkNjOiBSYWRpbSBLcsSNbcOhxZkgPHJrcmNtYXJAcmVkaGF0LmNvbT4K Q2M6IE1pY2hhbCBIb2NrbyA8bWhvY2tvQGtlcm5lbC5vcmc+CkNjOiBSYWxwaCBDYW1wYmVsbCA8 cmNhbXBiZWxsQG52aWRpYS5jb20+CkNjOiBKb2huIEh1YmJhcmQgPGpodWJiYXJkQG52aWRpYS5j b20+CkNjOiBrdm1Admdlci5rZXJuZWwub3JnCkNjOiBkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0 b3Aub3JnCkNjOiBsaW51eC1yZG1hQHZnZXIua2VybmVsLm9yZwpDYzogbGludXgtZnNkZXZlbEB2 Z2VyLmtlcm5lbC5vcmcKQ2M6IEFybmQgQmVyZ21hbm4gPGFybmRAYXJuZGIuZGU+Ci0tLQogaW5j bHVkZS9saW51eC9tbXVfbm90aWZpZXIuaCB8ICA0ICsrKysKIG1tL21tdV9ub3RpZmllci5jICAg ICAgICAgICAgfCAxMCArKysrKysrKysrCiAyIGZpbGVzIGNoYW5nZWQsIDE0IGluc2VydGlvbnMo KykKCmRpZmYgLS1naXQgYS9pbmNsdWRlL2xpbnV4L21tdV9ub3RpZmllci5oIGIvaW5jbHVkZS9s aW51eC9tbXVfbm90aWZpZXIuaAppbmRleCA3NTE0Nzc1ODE3ZGUuLmJlODczYzQzMTg4NiAxMDA2 NDQKLS0tIGEvaW5jbHVkZS9saW51eC9tbXVfbm90aWZpZXIuaAorKysgYi9pbmNsdWRlL2xpbnV4 L21tdV9ub3RpZmllci5oCkBAIC0yNTcsNiArMjU3LDggQEAgZXh0ZXJuIHZvaWQgX19tbXVfbm90 aWZpZXJfaW52YWxpZGF0ZV9yYW5nZV9lbmQoc3RydWN0IG1tdV9ub3RpZmllcl9yYW5nZSAqciwK IAkJCQkgIGJvb2wgb25seV9lbmQpOwogZXh0ZXJuIHZvaWQgX19tbXVfbm90aWZpZXJfaW52YWxp ZGF0ZV9yYW5nZShzdHJ1Y3QgbW1fc3RydWN0ICptbSwKIAkJCQkgIHVuc2lnbmVkIGxvbmcgc3Rh cnQsIHVuc2lnbmVkIGxvbmcgZW5kKTsKK2V4dGVybiBib29sCittbXVfbm90aWZpZXJfcmFuZ2Vf dXBkYXRlX3RvX3JlYWRfb25seShjb25zdCBzdHJ1Y3QgbW11X25vdGlmaWVyX3JhbmdlICpyYW5n ZSk7CiAKIHN0YXRpYyBpbmxpbmUgdm9pZCBtbXVfbm90aWZpZXJfcmVsZWFzZShzdHJ1Y3QgbW1f c3RydWN0ICptbSkKIHsKQEAgLTU1Myw2ICs1NTUsOCBAQCBzdGF0aWMgaW5saW5lIHZvaWQgbW11 X25vdGlmaWVyX21tX2Rlc3Ryb3koc3RydWN0IG1tX3N0cnVjdCAqbW0pCiB7CiB9CiAKKyNkZWZp bmUgbW11X25vdGlmaWVyX3JhbmdlX3VwZGF0ZV90b19yZWFkX29ubHkocikgZmFsc2UKKwogI2Rl ZmluZSBwdGVwX2NsZWFyX2ZsdXNoX3lvdW5nX25vdGlmeSBwdGVwX2NsZWFyX2ZsdXNoX3lvdW5n CiAjZGVmaW5lIHBtZHBfY2xlYXJfZmx1c2hfeW91bmdfbm90aWZ5IHBtZHBfY2xlYXJfZmx1c2hf eW91bmcKICNkZWZpbmUgcHRlcF9jbGVhcl95b3VuZ19ub3RpZnkgcHRlcF90ZXN0X2FuZF9jbGVh cl95b3VuZwpkaWZmIC0tZ2l0IGEvbW0vbW11X25vdGlmaWVyLmMgYi9tbS9tbXVfbm90aWZpZXIu YwppbmRleCA5Yzg4NGFiYzc4NTAuLjBiMmY3NzcxNWEwOCAxMDA2NDQKLS0tIGEvbW0vbW11X25v dGlmaWVyLmMKKysrIGIvbW0vbW11X25vdGlmaWVyLmMKQEAgLTM5NSwzICszOTUsMTMgQEAgdm9p ZCBtbXVfbm90aWZpZXJfdW5yZWdpc3Rlcl9ub19yZWxlYXNlKHN0cnVjdCBtbXVfbm90aWZpZXIg Km1uLAogCW1tZHJvcChtbSk7CiB9CiBFWFBPUlRfU1lNQk9MX0dQTChtbXVfbm90aWZpZXJfdW5y ZWdpc3Rlcl9ub19yZWxlYXNlKTsKKworYm9vbAorbW11X25vdGlmaWVyX3JhbmdlX3VwZGF0ZV90 b19yZWFkX29ubHkoY29uc3Qgc3RydWN0IG1tdV9ub3RpZmllcl9yYW5nZSAqcmFuZ2UpCit7CisJ aWYgKCFyYW5nZS0+dm1hIHx8IHJhbmdlLT5ldmVudCAhPSBNTVVfTk9USUZZX1BST1RFQ1RJT05f Vk1BKQorCQlyZXR1cm4gZmFsc2U7CisJLyogUmV0dXJuIHRydWUgaWYgdGhlIHZtYSBzdGlsbCBo YXZlIHRoZSByZWFkIGZsYWcgc2V0LiAqLworCXJldHVybiByYW5nZS0+dm1hLT52bV9mbGFncyAm IFZNX1JFQUQ7Cit9CitFWFBPUlRfU1lNQk9MX0dQTChtbXVfbm90aWZpZXJfcmFuZ2VfdXBkYXRl X3RvX3JlYWRfb25seSk7Ci0tIAoyLjE3LjIKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2RyaS1kZXZlbAo=