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[54.170.241.106]) by smtp.gmail.com with ESMTPSA id g9-20020a056000118900b0031ad5fb5a0fsm11033613wrx.58.2023.08.28.09.59.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Aug 2023 09:59:59 -0700 (PDT) From: Puranjay Mohan To: paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, pulehui@huawei.com, conor.dooley@microchip.com, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, song@kernel.org, yhs@fb.com, kpsingh@kernel.org, bjorn@kernel.org, bpf@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Cc: puranjay12@gmail.com Subject: [PATCH bpf-next v3 1/3] riscv: extend patch_text_nosync() for multiple pages Date: Mon, 28 Aug 2023 16:59:56 +0000 Message-Id: <20230828165958.1714079-2-puranjay12@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230828165958.1714079-1-puranjay12@gmail.com> References: <20230828165958.1714079-1-puranjay12@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230828_100006_278155_810141C1 X-CRM114-Status: GOOD ( 15.49 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org VGhlIHBhdGNoX2luc25fd3JpdGUoKSBmdW5jdGlvbiBjdXJyZW50bHkgZG9lc24ndCB3b3JrIGZv ciBtdWx0aXBsZSBwYWdlcwpvZiBpbnN0cnVjdGlvbnMsIHRoZXJlZm9yZSBwYXRjaF90ZXh0X25v c3luYygpIHdpbGwgZmFpbCB3aXRoIGEgcGFnZSBmYXVsdAppZiBjYWxsZWQgd2l0aCBsZW5ndGhz IHNwYW5uaW5nIG11bHRpcGxlIHBhZ2VzLgoKVGhpcyBjb21taXQgZXh0ZW5kcyB0aGUgcGF0Y2hf aW5zbl93cml0ZSgpIGZ1bmN0aW9uIHRvIHN1cHBvcnQgbXVsdGlwbGUKcGFnZXMgYnkgY29weWlu ZyBhdCBtYXggMiBwYWdlcyBhdCBhIHRpbWUgaW4gYSBsb29wLiBUaGlzIGltcGxlbWVudGF0aW9u CmlzIHNpbWlsYXIgdG8gdGV4dF9wb2tlX2NvcHkoKSBmdW5jdGlvbiBvZiB4ODYuCgpTaWduZWQt b2ZmLWJ5OiBQdXJhbmpheSBNb2hhbiA8cHVyYW5qYXkxMkBnbWFpbC5jb20+ClJldmlld2VkLWJ5 OiBCasO2cm4gVMO2cGVsIDxiam9ybkByaXZvc2luYy5jb20+Ci0tLQogYXJjaC9yaXNjdi9rZXJu ZWwvcGF0Y2guYyB8IDM3ICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrLS0tLS0KIDEg ZmlsZSBjaGFuZ2VkLCAzMiBpbnNlcnRpb25zKCspLCA1IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdp dCBhL2FyY2gvcmlzY3Yva2VybmVsL3BhdGNoLmMgYi9hcmNoL3Jpc2N2L2tlcm5lbC9wYXRjaC5j CmluZGV4IDU3NWU3MWQ2YzhhZS4uMmM5N2UyNDZmNGRjIDEwMDY0NAotLS0gYS9hcmNoL3Jpc2N2 L2tlcm5lbC9wYXRjaC5jCisrKyBiL2FyY2gvcmlzY3Yva2VybmVsL3BhdGNoLmMKQEAgLTUzLDEy ICs1MywxOCBAQCBzdGF0aWMgdm9pZCBwYXRjaF91bm1hcChpbnQgZml4bWFwKQogfQogTk9LUFJP QkVfU1lNQk9MKHBhdGNoX3VubWFwKTsKIAotc3RhdGljIGludCBwYXRjaF9pbnNuX3dyaXRlKHZv aWQgKmFkZHIsIGNvbnN0IHZvaWQgKmluc24sIHNpemVfdCBsZW4pCitzdGF0aWMgaW50IF9fcGF0 Y2hfaW5zbl93cml0ZSh2b2lkICphZGRyLCBjb25zdCB2b2lkICppbnNuLCBzaXplX3QgbGVuKQog ewogCXZvaWQgKndhZGRyID0gYWRkcjsKIAlib29sIGFjcm9zc19wYWdlcyA9ICgoKHVpbnRwdHJf dCkgYWRkciAmIH5QQUdFX01BU0spICsgbGVuKSA+IFBBR0VfU0laRTsKIAlpbnQgcmV0OwogCisJ LyoKKwkgKiBPbmx5IHR3byBwYWdlcyBjYW4gYmUgbWFwcGVkIGF0IGEgdGltZSBmb3Igd3JpdGlu Zy4KKwkgKi8KKwlpZiAobGVuICsgb2Zmc2V0X2luX3BhZ2UoYWRkcikgPiAyICogUEFHRV9TSVpF KQorCQlyZXR1cm4gLUVJTlZBTDsKKwogCS8qCiAJICogQmVmb3JlIHJlYWNoaW5nIGhlcmUsIGl0 IHdhcyBleHBlY3RlZCB0byBsb2NrIHRoZSB0ZXh0X211dGV4CiAJICogYWxyZWFkeSwgc28gd2Ug ZG9uJ3QgbmVlZCB0byBnaXZlIGFub3RoZXIgbG9jayBoZXJlIGFuZCBjb3VsZApAQCAtNzQsNyAr ODAsNyBAQCBzdGF0aWMgaW50IHBhdGNoX2luc25fd3JpdGUodm9pZCAqYWRkciwgY29uc3Qgdm9p ZCAqaW5zbiwgc2l6ZV90IGxlbikKIAkJbG9ja2RlcF9hc3NlcnRfaGVsZCgmdGV4dF9tdXRleCk7 CiAKIAlpZiAoYWNyb3NzX3BhZ2VzKQotCQlwYXRjaF9tYXAoYWRkciArIGxlbiwgRklYX1RFWFRf UE9LRTEpOworCQlwYXRjaF9tYXAoYWRkciArIFBBR0VfU0laRSwgRklYX1RFWFRfUE9LRTEpOwog CiAJd2FkZHIgPSBwYXRjaF9tYXAoYWRkciwgRklYX1RFWFRfUE9LRTApOwogCkBAIC04NywxNSAr OTMsMzYgQEAgc3RhdGljIGludCBwYXRjaF9pbnNuX3dyaXRlKHZvaWQgKmFkZHIsIGNvbnN0IHZv aWQgKmluc24sIHNpemVfdCBsZW4pCiAKIAlyZXR1cm4gcmV0OwogfQotTk9LUFJPQkVfU1lNQk9M KHBhdGNoX2luc25fd3JpdGUpOworTk9LUFJPQkVfU1lNQk9MKF9fcGF0Y2hfaW5zbl93cml0ZSk7 CiAjZWxzZQotc3RhdGljIGludCBwYXRjaF9pbnNuX3dyaXRlKHZvaWQgKmFkZHIsIGNvbnN0IHZv aWQgKmluc24sIHNpemVfdCBsZW4pCitzdGF0aWMgaW50IF9fcGF0Y2hfaW5zbl93cml0ZSh2b2lk ICphZGRyLCBjb25zdCB2b2lkICppbnNuLCBzaXplX3QgbGVuKQogewogCXJldHVybiBjb3B5X3Rv X2tlcm5lbF9ub2ZhdWx0KGFkZHIsIGluc24sIGxlbik7CiB9Ci1OT0tQUk9CRV9TWU1CT0wocGF0 Y2hfaW5zbl93cml0ZSk7CitOT0tQUk9CRV9TWU1CT0woX19wYXRjaF9pbnNuX3dyaXRlKTsKICNl bmRpZiAvKiBDT05GSUdfTU1VICovCiAKK3N0YXRpYyBpbnQgcGF0Y2hfaW5zbl93cml0ZSh2b2lk ICphZGRyLCBjb25zdCB2b2lkICppbnNuLCBzaXplX3QgbGVuKQoreworCXNpemVfdCBwYXRjaGVk ID0gMDsKKwlzaXplX3Qgc2l6ZTsKKwlpbnQgcmV0ID0gMDsKKworCS8qCisJICogQ29weSB0aGUg aW5zdHJ1Y3Rpb25zIHRvIHRoZSBkZXN0aW5hdGlvbiBhZGRyZXNzLCB0d28gcGFnZXMgYXQgYSB0 aW1lCisJICogYmVjYXVzZSBfX3BhdGNoX2luc25fd3JpdGUoKSBjYW4gb25seSBoYW5kbGUgbGVu IDw9IDIgKiBQQUdFX1NJWkUuCisJICovCisJd2hpbGUgKHBhdGNoZWQgPCBsZW4gJiYgIXJldCkg eworCQlzaXplID0gbWluX3Qoc2l6ZV90LCBQQUdFX1NJWkUgKiAyIC0gb2Zmc2V0X2luX3BhZ2Uo YWRkciArIHBhdGNoZWQpLCBsZW4gLSBwYXRjaGVkKTsKKwkJcmV0ID0gX19wYXRjaF9pbnNuX3dy aXRlKGFkZHIgKyBwYXRjaGVkLCBpbnNuICsgcGF0Y2hlZCwgc2l6ZSk7CisKKwkJcGF0Y2hlZCAr PSBzaXplOworCX0KKworCXJldHVybiByZXQ7Cit9CitOT0tQUk9CRV9TWU1CT0wocGF0Y2hfaW5z bl93cml0ZSk7CisKIGludCBwYXRjaF90ZXh0X25vc3luYyh2b2lkICphZGRyLCBjb25zdCB2b2lk ICppbnNucywgc2l6ZV90IGxlbikKIHsKIAl1MzIgKnRwID0gYWRkcjsKLS0gCjIuNDAuMQoKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LXJpc2N2 IG1haWxpbmcgbGlzdApsaW51eC1yaXNjdkBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0 cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtcmlzY3YK