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([2a01:e0a:e17:9700:16d2:7456:6634:9626]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4390d896d70sm171375435e9.0.2025.02.09.23.42.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 09 Feb 2025 23:42:38 -0800 (PST) Message-ID: <4320b0be-acce-43b2-b148-1577c6a56dff@rivosinc.com> Date: Mon, 10 Feb 2025 08:42:34 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 14/26] riscv/traps: Introduce software check exception To: Deepak Gupta Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Andrew Morton , "Liam R. Howlett" , Vlastimil Babka , Lorenzo Stoakes , Paul Walmsley , Palmer Dabbelt , Albert Ou , Conor Dooley , Rob Herring , Krzysztof Kozlowski , Arnd Bergmann , Christian Brauner , Peter Zijlstra , Oleg Nesterov , Eric Biederman , Kees Cook , Jonathan Corbet , Shuah Khan , Jann Horn , Conor Dooley , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-arch@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, alistair.francis@wdc.com, richard.henderson@linaro.org, jim.shu@sifive.com, andybnac@gmail.com, kito.cheng@sifive.com, charlie@rivosinc.com, atishp@rivosinc.com, evan@rivosinc.com, alexghiti@rivosinc.com, samitolvanen@google.com, broonie@kernel.org, rick.p.edgecombe@intel.com References: <20250204-v5_user_cfi_series-v9-0-b37a49c5205c@rivosinc.com> <20250204-v5_user_cfi_series-v9-14-b37a49c5205c@rivosinc.com> Content-Language: en-US From: =?UTF-8?B?Q2zDqW1lbnQgTMOpZ2Vy?= In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250209_234242_337982_BC47C38C X-CRM114-Status: GOOD ( 16.14 ) 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 CgpPbiAwNy8wMi8yMDI1IDIyOjI2LCBEZWVwYWsgR3VwdGEgd3JvdGU6Cj4gSGkgQ2xlbWVudCwK PiAKPiBUaGFua3MgZm9yIGxvb2tpbmcgYXQgaXQuIElubGluZQo+IE9uIFRodSwgRmViIDA2LCAy MDI1IGF0IDAyOjQ5OjA5UE0gKzAxMDAsIENsw6ltZW50IEzDqWdlciB3cm90ZToKPj4KPj4KPj4g T24gMDUvMDIvMjAyNSAwMjoyMiwgRGVlcGFrIEd1cHRhIHdyb3RlOgo+Pj4gemljZmlzcyAvIHpp Y2ZpbHAgaW50cm9kdWNlcyBhIG5ldyBleGNlcHRpb24gdG8gcHJpdiBpc2EgYHNvZnR3YXJlIGNo ZWNrCj4+PiBleGNlcHRpb25gIHdpdGggY2F1c2UgY29kZSA9IDE4LiBUaGlzIHBhdGNoIGltcGxl bWVudHMgc29mdHdhcmUgY2hlY2sKPj4+IGV4Y2VwdGlvbi4KPj4KPj4gSGV5IERlZXBhaywKPj4K Pj4gV2hpbGUgbm90IGRpcmVjdGx5IHJlbGF0ZWQgdG8gdGhpcyBwYXRjaCwgaXMgdGhlIGV4Y2Vw dGlvbiAxOCBkZWxlZ2F0aW9uCj4+IGRvY3VtZW50ZWQgaW4gdGhlIFNCSSBkb2MgPyBJIG1lYW4s IHNob3VsZCB3ZSBzcGVjaWZ5IHRoYXQgaXQgaXMgYWx3YXlzCj4+IGRlbGVnYXRlZCB3aGVuIGlt cGxlbWVudGluZyBGV0ZUIExBTkRJTkdfUEFEL1NIQURPV19TVEFDSyA/Cj4gCj4gSSBkb24ndCB0 aGluayBpdCdzIGRvY3VtZW50IGluIFNCSSBzcGVjIGFueXdoZXJlLiBTaG91bGQgaXQgYmUgPwoK VGhhdCdzIGEgZ29vZCBxdWVzdGlvbiAhIEkgZG9uJ3Qga25vdyB0aGUgcHJvY2VzcyB0byBkb2N1 bWVudCB0aGF0IHBhcnQKb2YgdGhlIFNCSSBidXQgdGhhdCB3b3VsZCBwcm9iYWJseSBiZSBuaWNl IHRvIGRvY3VtZW50IGl0IGFueXdheSBJCmd1ZXNzLiBBdGlzaCBtYXkga25vdyB3aGF0IHRvIGRv IHdpdGggdGhhdC4KCkNsw6ltZW50Cgo+IAo+IAo+IEluIGNvZGUsIG9wZW5zYmkgZGVsZWdhdGVz IHRoZSBleGNlcHRpb24gKFNXX0NIRUNLKQo+IGh0dHBzOi8vZ2l0aHViLmNvbS9yaXNjdi1zb2Z0 d2FyZS1zcmMvb3BlbnNiaS8KPiBjb21taXQvMTEwNTI0NDQxYTgyN2UwMjZkYjM1NDdlZDAzYzU3 MjNiOWM5ZTIxMQo+IAo+Pgo+PiBUaGFua3MsCj4+Cj4+IENsw6ltZW50Cj4+Cj4+PgoKCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LXJpc2N2IG1h aWxpbmcgbGlzdApsaW51eC1yaXNjdkBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5p bmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtcmlzY3YK