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Sat, 07 Feb 2026 21:33:38 -0800 (PST) Received: from 7950hx ([103.173.155.241]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-824418de80dsm6067700b3a.62.2026.02.07.21.33.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Feb 2026 21:33:38 -0800 (PST) From: Menglong Dong X-Google-Original-From: Menglong Dong To: ast@kernel.org, bjorn@kernel.org Cc: daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, pulehui@huawei.com, puranjay@kernel.org, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, bpf@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, jiang.biao@linux.dev Subject: [PATCH bpf-next v4 1/3] bpf, riscv: introduce emit_store_stack_imm64() for trampoline Date: Sun, 8 Feb 2026 13:33:09 +0800 Message-ID: <20260208053311.698352-2-dongml2@chinatelecom.cn> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260208053311.698352-1-dongml2@chinatelecom.cn> References: <20260208053311.698352-1-dongml2@chinatelecom.cn> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260207_213339_824016_9D1FFF6F X-CRM114-Status: GOOD ( 12.03 ) 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 SW50cm9kdWNlIGEgaGVscGVyIHRvIHN0b3JlIDY0LWJpdCBpbW1lZGlhdGUgb24gdGhlIHRyYW1w b2xpbmUgc3RhY2sgd2l0aAphIGhlbHAgb2YgYSByZWdpc3Rlci4KClNpZ25lZC1vZmYtYnk6IE1l bmdsb25nIERvbmcgPGRvbmdtbDJAY2hpbmF0ZWxlY29tLmNuPgpUZXN0ZWQtYnk6IEJqw7ZybiBU w7ZwZWwgPGJqb3JuQGtlcm5lbC5vcmc+CkFja2VkLWJ5OiBCasO2cm4gVMO2cGVsIDxiam9ybkBr ZXJuZWwub3JnPgotLS0KIGFyY2gvcmlzY3YvbmV0L2JwZl9qaXRfY29tcDY0LmMgfCAyNSArKysr KysrKysrKysrKy0tLS0tLS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgMTQgaW5zZXJ0aW9ucygrKSwg MTEgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvYXJjaC9yaXNjdi9uZXQvYnBmX2ppdF9jb21w NjQuYyBiL2FyY2gvcmlzY3YvbmV0L2JwZl9qaXRfY29tcDY0LmMKaW5kZXggMzc4ODhhYmVlNzBj Li5lNGY0NWUyZTdlMmYgMTAwNjQ0Ci0tLSBhL2FyY2gvcmlzY3YvbmV0L2JwZl9qaXRfY29tcDY0 LmMKKysrIGIvYXJjaC9yaXNjdi9uZXQvYnBmX2ppdF9jb21wNjQuYwpAQCAtOTI2LDYgKzkyNiwx NCBAQCBzdGF0aWMgdm9pZCByZXN0b3JlX3N0YWNrX2FyZ3MoaW50IG5yX3N0YWNrX2FyZ3MsIGlu dCBhcmdzX29mZiwgaW50IHN0a19hcmdfb2ZmLAogCX0KIH0KIAorc3RhdGljIHZvaWQgZW1pdF9z dG9yZV9zdGFja19pbW02NCh1OCByZWcsIGludCBzdGFja19vZmYsIHU2NCBpbW02NCwKKwkJCQkg ICBzdHJ1Y3QgcnZfaml0X2NvbnRleHQgKmN0eCkKK3sKKwkvKiBMb2FkIGltbTY0IGludG8gcmVn IGFuZCBzdG9yZSBpdCBhdCBbRlAgKyBzdGFja19vZmZdLiAqLworCWVtaXRfaW1tKHJlZywgKHM2 NClpbW02NCwgY3R4KTsKKwllbWl0X3NkKFJWX1JFR19GUCwgc3RhY2tfb2ZmLCByZWcsIGN0eCk7 Cit9CisKIHN0YXRpYyBpbnQgaW52b2tlX2JwZl9wcm9nKHN0cnVjdCBicGZfdHJhbXBfbGluayAq bCwgaW50IGFyZ3Nfb2ZmLCBpbnQgcmV0dmFsX29mZiwKIAkJCSAgIGludCBydW5fY3R4X29mZiwg Ym9vbCBzYXZlX3JldCwgc3RydWN0IHJ2X2ppdF9jb250ZXh0ICpjdHgpCiB7CkBAIC05MzMsMTIg Kzk0MSwxMCBAQCBzdGF0aWMgaW50IGludm9rZV9icGZfcHJvZyhzdHJ1Y3QgYnBmX3RyYW1wX2xp bmsgKmwsIGludCBhcmdzX29mZiwgaW50IHJldHZhbF9vZgogCXN0cnVjdCBicGZfcHJvZyAqcCA9 IGwtPmxpbmsucHJvZzsKIAlpbnQgY29va2llX29mZiA9IG9mZnNldG9mKHN0cnVjdCBicGZfdHJh bXBfcnVuX2N0eCwgYnBmX2Nvb2tpZSk7CiAKLQlpZiAobC0+Y29va2llKSB7Ci0JCWVtaXRfaW1t KFJWX1JFR19UMSwgbC0+Y29va2llLCBjdHgpOwotCQllbWl0X3NkKFJWX1JFR19GUCwgLXJ1bl9j dHhfb2ZmICsgY29va2llX29mZiwgUlZfUkVHX1QxLCBjdHgpOwotCX0gZWxzZSB7CisJaWYgKGwt PmNvb2tpZSkKKwkJZW1pdF9zdG9yZV9zdGFja19pbW02NChSVl9SRUdfVDEsIC1ydW5fY3R4X29m ZiArIGNvb2tpZV9vZmYsIGwtPmNvb2tpZSwgY3R4KTsKKwllbHNlCiAJCWVtaXRfc2QoUlZfUkVH X0ZQLCAtcnVuX2N0eF9vZmYgKyBjb29raWVfb2ZmLCBSVl9SRUdfWkVSTywgY3R4KTsKLQl9CiAK IAkvKiBhcmcxOiBwcm9nICovCiAJZW1pdF9pbW0oUlZfUkVHX0EwLCAoY29uc3QgczY0KXAsIGN0 eCk7CkBAIC0xMTIzLDEzICsxMTI5LDEwIEBAIHN0YXRpYyBpbnQgX19hcmNoX3ByZXBhcmVfYnBm X3RyYW1wb2xpbmUoc3RydWN0IGJwZl90cmFtcF9pbWFnZSAqaW0sCiAJZW1pdF9zZChSVl9SRUdf RlAsIC1zcmVnX29mZiwgUlZfUkVHX1MxLCBjdHgpOwogCiAJLyogc3RvcmUgaXAgYWRkcmVzcyBv ZiB0aGUgdHJhY2VkIGZ1bmN0aW9uICovCi0JaWYgKGZsYWdzICYgQlBGX1RSQU1QX0ZfSVBfQVJH KSB7Ci0JCWVtaXRfaW1tKFJWX1JFR19UMSwgKGNvbnN0IHM2NClmdW5jX2FkZHIsIGN0eCk7Ci0J CWVtaXRfc2QoUlZfUkVHX0ZQLCAtaXBfb2ZmLCBSVl9SRUdfVDEsIGN0eCk7Ci0JfQorCWlmIChm bGFncyAmIEJQRl9UUkFNUF9GX0lQX0FSRykKKwkJZW1pdF9zdG9yZV9zdGFja19pbW02NChSVl9S RUdfVDEsIC1pcF9vZmYsICh1NjQpZnVuY19hZGRyLCBjdHgpOwogCi0JZW1pdF9saShSVl9SRUdf VDEsIG5yX2FyZ19zbG90cywgY3R4KTsKLQllbWl0X3NkKFJWX1JFR19GUCwgLW5yZWdzX29mZiwg UlZfUkVHX1QxLCBjdHgpOworCWVtaXRfc3RvcmVfc3RhY2tfaW1tNjQoUlZfUkVHX1QxLCAtbnJl Z3Nfb2ZmLCBucl9hcmdfc2xvdHMsIGN0eCk7CiAKIAlzdG9yZV9hcmdzKG5yX2FyZ19zbG90cywg YXJnc19vZmYsIGN0eCk7CiAKLS0gCjIuNTMuMAoKCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fCmxpbnV4LXJpc2N2IG1haWxpbmcgbGlzdApsaW51eC1yaXNj dkBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4v bGlzdGluZm8vbGludXgtcmlzY3YK