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Levin" , Andrea Bolognani , Thomas Gleixner , Ron Economos , Charlie Jenkins , Quan Zhou , Felix Yan , Ruizhe Pan , Shiqi Zhang , Guo Ren , Yao Zi , Han Gao , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, stable@vger.kernel.org, linux-kselftest@vger.kernel.org, Celeste Liu Subject: Re: [PATCH v2 1/2] riscv/ptrace: add new regset to access original a0 register In-Reply-To: <20241203-riscv-new-regset-v2-1-d37da8c0cba6@coelacanthus.name> References: <20241203-riscv-new-regset-v2-0-d37da8c0cba6@coelacanthus.name> <20241203-riscv-new-regset-v2-1-d37da8c0cba6@coelacanthus.name> Date: Tue, 03 Dec 2024 12:35:07 +0100 Message-ID: <87ed2pdmok.fsf@all.your.base.are.belong.to.us> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241203_033511_912277_06490B12 X-CRM114-Status: GOOD ( 14.48 ) 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 Q2VsZXN0ZSBMaXUgPHV3dUBjb2VsYWNhbnRodXMubmFtZT4gd3JpdGVzOgoKPiBUaGUgb3JpZ19h MCBpcyBtaXNzaW5nIGluIHN0cnVjdCB1c2VyX3JlZ3Nfc3RydWN0IG9mIHJpc2N2LCBhbmQgdGhl cmUgaXMKPiBubyB3YXkgdG8gYWRkIGl0IHdpdGhvdXQgYnJlYWtpbmcgVUFQSS4gKFNlZSBMaW5r IHRhZyBiZWxvdykKPgo+IExpa2UgTlRfQVJNX1NZU1RFTV9DQUxMIGRvLCB3ZSBhZGQgYSBuZXcg cmVnc2V0IG5hbWUgTlRfUklTQ1ZfT1JJR19BMCB0bwo+IGFjY2VzcyBvcmlnaW5hbCBhMCByZWdp c3RlciBmcm9tIHVzZXJzcGFjZSB2aWEgcHRyYWNlIEFQSS4KPgo+IExpbms6IGh0dHBzOi8vbG9y ZS5rZXJuZWwub3JnL2FsbC81OTUwNTQ2NC1jODRhLTQwM2QtOTcyZi1kNGIyMDU1ZWVhYWNAZ21h aWwuY29tLwo+IENjOiBzdGFibGVAdmdlci5rZXJuZWwub3JnCj4gU2lnbmVkLW9mZi1ieTogQ2Vs ZXN0ZSBMaXUgPHV3dUBjb2VsYWNhbnRodXMubmFtZT4KPiAtLS0KPiAgYXJjaC9yaXNjdi9rZXJu ZWwvcHRyYWNlLmMgfCAzMiArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKwo+ICBpbmNs dWRlL3VhcGkvbGludXgvZWxmLmggICB8ICAxICsKPiAgMiBmaWxlcyBjaGFuZ2VkLCAzMyBpbnNl cnRpb25zKCspCj4KPiBkaWZmIC0tZ2l0IGEvYXJjaC9yaXNjdi9rZXJuZWwvcHRyYWNlLmMgYi9h cmNoL3Jpc2N2L2tlcm5lbC9wdHJhY2UuYwo+IGluZGV4IGVhNjdlOWZiN2E1ODM2ODNiOTIyZmUy YzAxN2VhNjFmM2JjODQ4ZGIuLjE4Y2UwN2ZmYjI3YmIxMTgwNjY3NzY5ZWVkODAwZjZmZGY5NmMw ODMgMTAwNjQ0Cj4gLS0tIGEvYXJjaC9yaXNjdi9rZXJuZWwvcHRyYWNlLmMKPiArKysgYi9hcmNo L3Jpc2N2L2tlcm5lbC9wdHJhY2UuYwo+IEBAIC0zMSw2ICszMSw3IEBAIGVudW0gcmlzY3ZfcmVn c2V0IHsKPiAgI2lmZGVmIENPTkZJR19SSVNDVl9JU0FfU1VQTQo+ICAJUkVHU0VUX1RBR0dFRF9B RERSX0NUUkwsCj4gICNlbmRpZgo+ICsJUkVHU0VUX09SSUdfQTAsCj4gIH07Cj4gIAo+ICBzdGF0 aWMgaW50IHJpc2N2X2dwcl9nZXQoc3RydWN0IHRhc2tfc3RydWN0ICp0YXJnZXQsCj4gQEAgLTE4 NCw2ICsxODUsMjkgQEAgc3RhdGljIGludCB0YWdnZWRfYWRkcl9jdHJsX3NldChzdHJ1Y3QgdGFz a19zdHJ1Y3QgKnRhcmdldCwKPiAgfQo+ICAjZW5kaWYKPiAgCj4gK3N0YXRpYyBpbnQgcmlzY3Zf b3JpZ19hMF9nZXQoc3RydWN0IHRhc2tfc3RydWN0ICp0YXJnZXQsCj4gKwkJCSAgICAgY29uc3Qg c3RydWN0IHVzZXJfcmVnc2V0ICpyZWdzZXQsCj4gKwkJCSAgICAgc3RydWN0IG1lbWJ1ZiB0bykK PiArewo+ICsJcmV0dXJuIG1lbWJ1Zl9zdG9yZSgmdG8sIHRhc2tfcHRfcmVncyh0YXJnZXQpLT5v cmlnX2EwKTsKPiArfQo+ICsKPiArc3RhdGljIGludCByaXNjdl9vcmlnX2EwX3NldChzdHJ1Y3Qg dGFza19zdHJ1Y3QgKnRhcmdldCwKPiArCQkJICAgICBjb25zdCBzdHJ1Y3QgdXNlcl9yZWdzZXQg KnJlZ3NldCwKPiArCQkJICAgICB1bnNpZ25lZCBpbnQgcG9zLCB1bnNpZ25lZCBpbnQgY291bnQs Cj4gKwkJCSAgICAgY29uc3Qgdm9pZCAqa2J1ZiwgY29uc3Qgdm9pZCBfX3VzZXIgKnVidWYpCj4g K3sKPiArCXVuc2lnbmVkIGxvbmcgb3JpZ19hMCA9IHRhc2tfcHRfcmVncyh0YXJnZXQpLT5vcmln X2EwOwo+ICsJaW50IHJldDsKPiArCj4gKwlyZXQgPSB1c2VyX3JlZ3NldF9jb3B5aW4oJnBvcywg JmNvdW50LCAma2J1ZiwgJnVidWYsICZvcmlnX2EwLCAwLCAtMSk7Cj4gKwlpZiAocmV0KQo+ICsJ CXJldHVybiByZXQ7Cj4gKwo+ICsJdGFza19wdF9yZWdzKHRhcmdldCktPm9yaWdfYTAgPSBvcmln X2EwOwo+ICsJcmV0dXJuIHJldDsKCk5pdDogQ291bGQgYmUgcmV0dXJuIDAsIGZvciByZWFkYWJp bGl0eS4KClJlZ2FyZGxlc3MsClJldmlld2VkLWJ5OiBCasO2cm4gVMO2cGVsIDxiam9ybkByaXZv c2luYy5jb20+CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KbGludXgtcmlzY3YgbWFpbGluZyBsaXN0CmxpbnV4LXJpc2N2QGxpc3RzLmluZnJhZGVhZC5v cmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1yaXNj dgo=