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Sun, 8 Feb 2026 09:58:10 +0800 (CST) Received: from [10.67.110.198] (10.67.110.198) by kwepemf100007.china.huawei.com (7.202.181.221) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.36; Sun, 8 Feb 2026 09:58:09 +0800 Message-ID: <9830ef1c-d9cc-46ce-b292-07c8222d72ac@huawei.com> Date: Sun, 8 Feb 2026 09:58:03 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH bpf-next v3 1/3] bpf, riscv: introduce emit_store_stack_imm64() for trampoline Content-Language: en-US To: Menglong Dong , Menglong Dong CC: , , , , , , , , , , , , , , , , , , , , , References: <20260206122002.1494125-1-dongml2@chinatelecom.cn> <20260206122002.1494125-2-dongml2@chinatelecom.cn> <3042323.e9J7NaK4W3@7950hx> From: Pu Lehui In-Reply-To: <3042323.e9J7NaK4W3@7950hx> X-Originating-IP: [10.67.110.198] X-ClientProxiedBy: kwepems100002.china.huawei.com (7.221.188.206) To kwepemf100007.china.huawei.com (7.202.181.221) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260207_175823_932364_EDC6FB24 X-CRM114-Status: GOOD ( 14.24 ) 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org CgpPbiAyMDI2LzIvNyAxODo1MywgTWVuZ2xvbmcgRG9uZyB3cm90ZToKPiBPbiAyMDI2LzIvNyAw OToxMywgUHUgTGVodWkgd3JvdGU6Cj4+Cj4+IE9uIDIwMjYvMi82IDIwOjIwLCBNZW5nbG9uZyBE b25nIHdyb3RlOgo+Pj4gSW50cm9kdWNlIGEgaGVscGVyIHRvIHN0b3JlIDY0LWJpdCBpbW1lZGlh dGUgb24gdGhlIHRyYW1wb2xpbmUgc3RhY2sgd2l0aAo+Pj4gYSBoZWxwIG9mIGEgcmVnaXN0ZXIu Cj4+Pgo+Pj4gU2lnbmVkLW9mZi1ieTogTWVuZ2xvbmcgRG9uZyA8ZG9uZ21sMkBjaGluYXRlbGVj b20uY24+Cj4+PiBUZXN0ZWQtYnk6IEJqw7ZybiBUw7ZwZWwgPGJqb3JuQGtlcm5lbC5vcmc+Cj4+ PiBBY2tlZC1ieTogQmrDtnJuIFTDtnBlbCA8Ympvcm5Aa2VybmVsLm9yZz4KPj4+IC0tLQo+Pj4g ICAgYXJjaC9yaXNjdi9uZXQvYnBmX2ppdF9jb21wNjQuYyB8IDI1ICsrKysrKysrKysrKysrLS0t LS0tLS0tLS0KPj4+ICAgIDEgZmlsZSBjaGFuZ2VkLCAxNCBpbnNlcnRpb25zKCspLCAxMSBkZWxl dGlvbnMoLSkKPj4+Cj4+PiBkaWZmIC0tZ2l0IGEvYXJjaC9yaXNjdi9uZXQvYnBmX2ppdF9jb21w NjQuYyBiL2FyY2gvcmlzY3YvbmV0L2JwZl9qaXRfY29tcDY0LmMKPj4+IGluZGV4IDM3ODg4YWJl ZTcwYy4uZTRmNDVlMmU3ZTJmIDEwMDY0NAo+Pj4gLS0tIGEvYXJjaC9yaXNjdi9uZXQvYnBmX2pp dF9jb21wNjQuYwo+Pj4gKysrIGIvYXJjaC9yaXNjdi9uZXQvYnBmX2ppdF9jb21wNjQuYwo+Pj4g QEAgLTkyNiw2ICs5MjYsMTQgQEAgc3RhdGljIHZvaWQgcmVzdG9yZV9zdGFja19hcmdzKGludCBu cl9zdGFja19hcmdzLCBpbnQgYXJnc19vZmYsIGludCBzdGtfYXJnX29mZiwKPj4+ICAgIAl9Cj4+ PiAgICB9Cj4+PiAgICAKPj4+ICtzdGF0aWMgdm9pZCBlbWl0X3N0b3JlX3N0YWNrX2ltbTY0KHU4 IHJlZywgaW50IHN0YWNrX29mZiwgdTY0IGltbTY0LAo+Pj4gKwkJCQkgICBzdHJ1Y3QgcnZfaml0 X2NvbnRleHQgKmN0eCkKPj4KPj4gU29tZSBuaXQuIFRoZSBmaXJzdCBwYXJhbWV0ZXIgY2FuIGJl IHJlbW92ZWQgYnkgdXNpbmcgYSBmaXhlZCBSVl9SRUdfVDEuCj4+IEFsc28sIHBsYWNpbmcgaW1t NjQgYmVmb3JlIHN0YWNrX29mZiBtaWdodCBsb29rcyBiZXR0ZXIuCj4gCj4gSGksIExlaHVpLiBX aGVuIEkgaW1wbGVtZW50IHRoZSBlbWl0X3N0b3JlX3N0YWNrX2ltbTY0KCkgaW4geDg2LAo+IEFu ZHJpaSBzdWdnZXN0ZWQgdGhhdCB3ZSdkIGJldHRlciB1c2UgdGhlIHJlZ2lzdGVyIGV4cGxpY2l0 bHkgdG8gaW5kaWNhdGUKPiB0aGUgcmVnaXN0ZXIgaXMgdXNlZC4gU28gbWF5YmUgaXQncyBiZXR0 ZXIgdG8ga2VlcCB0aGlzIHBhcnQgc3RpbGw/CgpObyBwcm9ibGVtLCB0aGUgaW1wYWN0IGlzIG1p bmltYWwuIEFuZCBpbiB0aGF0IGNhc2UsIGp1c3QgbGVhdmUgaW1tNjQgCmFuZCBzdGFja19vZmYg YXMgdGhleSBhcmUuIDopCgo+IAo+IEkgY2FuIHBsYWNlIHRoZSBpbW02NCBiZWZvcmUgc3RhY2tf b2ZmLgo+IAo+IFRoYW5rcyEKPiBNZW5nbG9uZyBEb25nCj4gCj4+Cj4+PiArewo+Pj4gKwkvKiBM b2FkIGltbTY0IGludG8gcmVnIGFuZCBzdG9yZSBpdCBhdCBbRlAgKyBzdGFja19vZmZdLiAqLwo+ Pj4gKwllbWl0X2ltbShyZWcsIChzNjQpaW1tNjQsIGN0eCk7Cj4+PiArCWVtaXRfc2QoUlZfUkVH X0ZQLCBzdGFja19vZmYsIHJlZywgY3R4KTsKPj4+ICt9Cj4+PiArCj4+PiAgICBzdGF0aWMgaW50 IGludm9rZV9icGZfcHJvZyhzdHJ1Y3QgYnBmX3RyYW1wX2xpbmsgKmwsIGludCBhcmdzX29mZiwg aW50IHJldHZhbF9vZmYsCj4+PiAgICAJCQkgICBpbnQgcnVuX2N0eF9vZmYsIGJvb2wgc2F2ZV9y ZXQsIHN0cnVjdCBydl9qaXRfY29udGV4dCAqY3R4KQo+Pj4gICAgewo+Pj4gQEAgLTkzMywxMiAr OTQxLDEwIEBAIHN0YXRpYyBpbnQgaW52b2tlX2JwZl9wcm9nKHN0cnVjdCBicGZfdHJhbXBfbGlu ayAqbCwgaW50IGFyZ3Nfb2ZmLCBpbnQgcmV0dmFsX29mCj4+PiAgICAJc3RydWN0IGJwZl9wcm9n ICpwID0gbC0+bGluay5wcm9nOwo+Pj4gICAgCWludCBjb29raWVfb2ZmID0gb2Zmc2V0b2Yoc3Ry dWN0IGJwZl90cmFtcF9ydW5fY3R4LCBicGZfY29va2llKTsKPj4+ICAgIAo+Pj4gLQlpZiAobC0+ Y29va2llKSB7Cj4+PiAtCQllbWl0X2ltbShSVl9SRUdfVDEsIGwtPmNvb2tpZSwgY3R4KTsKPj4+ IC0JCWVtaXRfc2QoUlZfUkVHX0ZQLCAtcnVuX2N0eF9vZmYgKyBjb29raWVfb2ZmLCBSVl9SRUdf VDEsIGN0eCk7Cj4+PiAtCX0gZWxzZSB7Cj4+PiArCWlmIChsLT5jb29raWUpCj4+PiArCQllbWl0 X3N0b3JlX3N0YWNrX2ltbTY0KFJWX1JFR19UMSwgLXJ1bl9jdHhfb2ZmICsgY29va2llX29mZiwg bC0+Y29va2llLCBjdHgpOwo+Pj4gKwllbHNlCj4+PiAgICAJCWVtaXRfc2QoUlZfUkVHX0ZQLCAt cnVuX2N0eF9vZmYgKyBjb29raWVfb2ZmLCBSVl9SRUdfWkVSTywgY3R4KTsKPj4+IC0JfQo+Pj4g ICAgCj4+PiAgICAJLyogYXJnMTogcHJvZyAqLwo+Pj4gICAgCWVtaXRfaW1tKFJWX1JFR19BMCwg KGNvbnN0IHM2NClwLCBjdHgpOwo+Pj4gQEAgLTExMjMsMTMgKzExMjksMTAgQEAgc3RhdGljIGlu dCBfX2FyY2hfcHJlcGFyZV9icGZfdHJhbXBvbGluZShzdHJ1Y3QgYnBmX3RyYW1wX2ltYWdlICpp bSwKPj4+ICAgIAllbWl0X3NkKFJWX1JFR19GUCwgLXNyZWdfb2ZmLCBSVl9SRUdfUzEsIGN0eCk7 Cj4+PiAgICAKPj4+ICAgIAkvKiBzdG9yZSBpcCBhZGRyZXNzIG9mIHRoZSB0cmFjZWQgZnVuY3Rp b24gKi8KPj4+IC0JaWYgKGZsYWdzICYgQlBGX1RSQU1QX0ZfSVBfQVJHKSB7Cj4+PiAtCQllbWl0 X2ltbShSVl9SRUdfVDEsIChjb25zdCBzNjQpZnVuY19hZGRyLCBjdHgpOwo+Pj4gLQkJZW1pdF9z ZChSVl9SRUdfRlAsIC1pcF9vZmYsIFJWX1JFR19UMSwgY3R4KTsKPj4+IC0JfQo+Pj4gKwlpZiAo ZmxhZ3MgJiBCUEZfVFJBTVBfRl9JUF9BUkcpCj4+PiArCQllbWl0X3N0b3JlX3N0YWNrX2ltbTY0 KFJWX1JFR19UMSwgLWlwX29mZiwgKHU2NClmdW5jX2FkZHIsIGN0eCk7ID4KPj4+IC0JZW1pdF9s aShSVl9SRUdfVDEsIG5yX2FyZ19zbG90cywgY3R4KTsKPj4+IC0JZW1pdF9zZChSVl9SRUdfRlAs IC1ucmVnc19vZmYsIFJWX1JFR19UMSwgY3R4KTsKPj4+ICsJZW1pdF9zdG9yZV9zdGFja19pbW02 NChSVl9SRUdfVDEsIC1ucmVnc19vZmYsIG5yX2FyZ19zbG90cywgY3R4KTsKPj4+ICAgIAo+Pj4g ICAgCXN0b3JlX2FyZ3MobnJfYXJnX3Nsb3RzLCBhcmdzX29mZiwgY3R4KTsKPj4+ICAgIAo+Pgo+ Pgo+IAo+IAo+IAo+IAo+IAo+IAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KbGludXgtcmlzY3YgbWFpbGluZyBsaXN0CmxpbnV4LXJpc2N2QGxpc3RzLmlu ZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9s aW51eC1yaXNjdgo=