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([2804:1bc4:224:7800:585c:db3a:fcb:e21f]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49092a817d3sm48318915e9.10.2026.05.28.06.33.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 May 2026 06:33:46 -0700 (PDT) Message-ID: <5df8ff7bcf1f85a21eea3d4f74451fe6b57c118d.camel@suse.com> Subject: Re: [PATCH v2 8/8] selftests/livepatch: Add RISC-V syscall wrapper prefix From: Marcos Paulo de Souza To: Wang Han , Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: Steven Rostedt , Alexandre Ghiti , Masami Hiramatsu , Mark Rutland , Catalin Marinas , Chen Pei , Andy Chiu , =?ISO-8859-1?Q?Bj=F6rn_T=F6pel?= , Deepak Gupta , Puranjay Mohan , Conor Dooley , Josh Poimboeuf , Jiri Kosina , Miroslav Benes , Petr Mladek , Joe Lawrence , Shuah Khan , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , oliver.yang@linux.alibaba.com, xueshuai@linux.alibaba.com, zhuo.song@linux.alibaba.com, jkchen@linux.alibaba.com, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, live-patching@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-perf-users@vger.kernel.org Date: Thu, 28 May 2026 10:33:34 -0300 In-Reply-To: <20260528082310.1994388-9-wanghan@linux.alibaba.com> References: <20260527123530.2593918-1-wanghan@linux.alibaba.com> <20260528082310.1994388-9-wanghan@linux.alibaba.com> Autocrypt: addr=mpdesouza@suse.com; prefer-encrypt=mutual; keydata=mDMEZ/0YqhYJKwYBBAHaRw8BAQdA4JZz0FED+JD5eKlhkNyjDrp6lAGmgR3LPTduPYGPT Km0Kk1hcmNvcyBQYXVsbyBkZSBTb3V6YSA8bXBkZXNvdXphQHN1c2UuY29tPoiTBBMWCgA7FiEE2g gC66iLbhUsCBoBemssEuRpLLUFAmf9GKoCGwMFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4AACgk QemssEuRpLLWGxwD/S1I0bjp462FlKb81DikrOfWbeJ0FOJP44eRzmn20HmEBALBZIMrfIH2dJ5eM GO8seNG8sYiP6JfRjl7Hyqca6YsE Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.60.1 (by Flathub.org) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Thu, 2026-05-28 at 16:23 +0800, Wang Han wrote: > The syscall livepatch selftest resolves and patches a syscall wrapper > symbol. To use that test for RISC-V livepatch validation, add the > RISC-V FN_PREFIX definition for ARCH_HAS_SYSCALL_WRAPPER. >=20 > Without this macro, the syscall livepatch selftest cannot resolve the > RISC-V target symbol, and the syscall-related livepatch test fails on > RISC-V. >=20 > Signed-off-by: Wang Han Reviewed-by: Marcos Paulo de Souza > --- > =C2=A0.../testing/selftests/livepatch/test_modules/test_klp_syscall.c | 2 > ++ > =C2=A01 file changed, 2 insertions(+) >=20 > diff --git > a/tools/testing/selftests/livepatch/test_modules/test_klp_syscall.c > b/tools/testing/selftests/livepatch/test_modules/test_klp_syscall.c > index dd802783ea84..275e4b10cf59 100644 > --- > a/tools/testing/selftests/livepatch/test_modules/test_klp_syscall.c > +++ > b/tools/testing/selftests/livepatch/test_modules/test_klp_syscall.c > @@ -18,6 +18,8 @@ > =C2=A0#define FN_PREFIX __s390x_ > =C2=A0#elif defined(__aarch64__) > =C2=A0#define FN_PREFIX __arm64_ > +#elif defined(__riscv) > +#define FN_PREFIX __riscv_ > =C2=A0#else > =C2=A0/* powerpc does not select ARCH_HAS_SYSCALL_WRAPPER */ > =C2=A0#define FN_PREFIX