From: Wang Han <wanghan@linux.alibaba.com>
To: Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexandre Ghiti <alex@ghiti.fr>,
linux-riscv@lists.infradead.org, Oleg Nesterov <oleg@redhat.com>,
Steven Rostedt <rostedt@goodmis.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
James Clark <james.clark@linaro.org>,
Josh Poimboeuf <jpoimboe@kernel.org>,
Jiri Kosina <jikos@kernel.org>, Miroslav Benes <mbenes@suse.cz>,
Petr Mladek <pmladek@suse.com>,
Joe Lawrence <joe.lawrence@redhat.com>,
Shuah Khan <shuah@kernel.org>,
oliver.yang@linux.alibaba.com, xueshuai@linux.alibaba.com,
zhuo.song@linux.alibaba.com, jkchen@linux.alibaba.com,
Marcos Paulo de Souza <mpdesouza@suse.com>,
linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
linux-perf-users@vger.kernel.org, live-patching@vger.kernel.org,
linux-kselftest@vger.kernel.org
Subject: [PATCH v4 7/7] selftests/livepatch: Add RISC-V syscall wrapper prefix
Date: Mon, 29 Jun 2026 14:42:28 +0800 [thread overview]
Message-ID: <20260629064228.3195856-8-wanghan@linux.alibaba.com> (raw)
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.
Without this macro, the syscall livepatch selftest cannot resolve the
RISC-V target symbol, and the syscall-related livepatch test fails on
RISC-V.
Reviewed-by: Marcos Paulo de Souza <mpdesouza@suse.com>
Reviewed-by: Shuai Xue <xueshuai@linux.alibaba.com>
Signed-off-by: Wang Han <wanghan@linux.alibaba.com>
---
.../testing/selftests/livepatch/test_modules/test_klp_syscall.c | 2 ++
1 file changed, 2 insertions(+)
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 08aacc0e14de..9baa2a5f84c9 100644
--- a/tools/testing/selftests/livepatch/test_modules/test_klp_syscall.c
+++ b/tools/testing/selftests/livepatch/test_modules/test_klp_syscall.c
@@ -24,6 +24,8 @@
#define FN_PREFIX __s390x_
#elif defined(__aarch64__)
#define FN_PREFIX __arm64_
+ #elif defined(__riscv)
+ #define FN_PREFIX __riscv_
#elif defined(__powerpc__)
#define FN_PREFIX
#else
--
2.43.0
reply other threads:[~2026-06-29 6:42 UTC|newest]
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