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From: Marcos Paulo de Souza <mpdesouza@suse.com>
To: Wang Han <wanghan@linux.alibaba.com>,
	Paul Walmsley <pjw@kernel.org>,
	 Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>
Cc: "Steven Rostedt" <rostedt@goodmis.org>,
	"Alexandre Ghiti" <alex@ghiti.fr>,
	"Masami Hiramatsu" <mhiramat@kernel.org>,
	"Mark Rutland" <mark.rutland@arm.com>,
	"Catalin Marinas" <catalin.marinas@arm.com>,
	"Chen Pei" <cp0613@linux.alibaba.com>,
	"Andy Chiu" <andybnac@gmail.com>,
	"Björn Töpel" <bjorn@rivosinc.com>,
	"Deepak Gupta" <debug@rivosinc.com>,
	"Puranjay Mohan" <puranjay@kernel.org>,
	"Conor Dooley" <conor.dooley@microchip.com>,
	"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>,
	"Peter Zijlstra" <peterz@infradead.org>,
	"Ingo Molnar" <mingo@redhat.com>,
	"Arnaldo Carvalho de Melo" <acme@kernel.org>,
	"Namhyung Kim" <namhyung@kernel.org>,
	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
Subject: Re: [PATCH v2 8/8] selftests/livepatch: Add RISC-V syscall wrapper prefix
Date: Thu, 28 May 2026 10:33:34 -0300	[thread overview]
Message-ID: <5df8ff7bcf1f85a21eea3d4f74451fe6b57c118d.camel@suse.com> (raw)
In-Reply-To: <20260528082310.1994388-9-wanghan@linux.alibaba.com>

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.
> 
> Without this macro, the syscall livepatch selftest cannot resolve the
> RISC-V target symbol, and the syscall-related livepatch test fails on
> RISC-V.
> 
> Signed-off-by: Wang Han <wanghan@linux.alibaba.com>

Reviewed-by: Marcos Paulo de Souza <mpdesouza@suse.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 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 @@
>  #define FN_PREFIX __s390x_
>  #elif defined(__aarch64__)
>  #define FN_PREFIX __arm64_
> +#elif defined(__riscv)
> +#define FN_PREFIX __riscv_
>  #else
>  /* powerpc does not select ARCH_HAS_SYSCALL_WRAPPER */
>  #define FN_PREFIX

  reply	other threads:[~2026-05-28 13:33 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-27 12:35 [PATCH 0/8] riscv: Add reliable stack unwinding for livepatch Wang Han
2026-05-27 12:35 ` [PATCH 1/8] scripts/sorttable: Handle RISC-V patchable ftrace entries Wang Han
2026-05-27 15:30   ` Steven Rostedt
2026-05-28  5:38     ` Wang Han
2026-06-03  7:14   ` Chen Pei
2026-05-27 12:35 ` [PATCH 2/8] riscv: stacktrace: Add frame record metadata Wang Han
2026-05-27 12:35 ` [PATCH 3/8] riscv: stacktrace: disable KASAN instrumentation for stacktrace.o Wang Han
2026-05-27 12:35 ` [PATCH 4/8] riscv: ftrace: always preserve s0 in dynamic ftrace register frame Wang Han
2026-05-27 12:35 ` [PATCH 5/8] riscv: stacktrace: introduce stack-bound tracking helpers Wang Han
2026-05-27 12:35 ` [PATCH 6/8] riscv: stacktrace: switch to frame-pointer based unwinder Wang Han
2026-05-27 12:35 ` [PATCH 7/8] riscv: Kconfig: enable HAVE_RELIABLE_STACKTRACE and HAVE_LIVEPATCH Wang Han
2026-05-27 12:35 ` [PATCH 8/8] selftests/livepatch: Add RISC-V syscall wrapper prefix Wang Han
2026-05-28  8:23 ` [PATCH v2 0/8] riscv: Add reliable stack unwinding for livepatch Wang Han
2026-06-09  6:29   ` [PATCH v3 " Wang Han
2026-06-09  6:29     ` [PATCH v3 1/8] scripts/sorttable: Handle RISC-V patchable ftrace entries Wang Han
2026-06-09  7:27       ` Martin Kaiser
2026-06-25 19:22       ` Paul Walmsley
2026-06-26  8:21       ` patchwork-bot+linux-riscv
2026-06-09  6:29     ` [PATCH v3 2/8] riscv: stacktrace: Add frame record metadata Wang Han
2026-06-09  6:29     ` [PATCH v3 3/8] riscv: stacktrace: disable KASAN and KCOV instrumentation for stacktrace.o Wang Han
2026-06-09  6:29     ` [PATCH v3 4/8] riscv: ftrace: always preserve s0 in dynamic ftrace register frame Wang Han
2026-06-09  6:29     ` [PATCH v3 5/8] riscv: stacktrace: introduce stack-bound tracking helpers Wang Han
2026-06-09  6:29     ` [PATCH v3 6/8] riscv: stacktrace: switch to frame-pointer based unwinder Wang Han
2026-06-09  6:29     ` [PATCH v3 7/8] riscv: Kconfig: enable HAVE_RELIABLE_STACKTRACE and HAVE_LIVEPATCH Wang Han
2026-06-09  6:29     ` [PATCH v3 8/8] selftests/livepatch: Add RISC-V syscall wrapper prefix Wang Han
2026-05-28  8:23 ` [PATCH v2 1/8] scripts/sorttable: Handle RISC-V patchable ftrace entries Wang Han
2026-05-28 13:21   ` Steven Rostedt
2026-06-01  6:17   ` Shuai Xue
2026-06-01 13:57     ` Steven Rostedt
2026-06-03  2:10       ` Shuai Xue
2026-06-09 14:21         ` Steven Rostedt
2026-05-28  8:23 ` [PATCH v2 2/8] riscv: stacktrace: Add frame record metadata Wang Han
2026-06-02 11:18   ` Shuai Xue
2026-05-28  8:23 ` [PATCH v2 3/8] riscv: stacktrace: disable KASAN instrumentation for stacktrace.o Wang Han
2026-06-02 11:22   ` Shuai Xue
2026-05-28  8:23 ` [PATCH v2 4/8] riscv: ftrace: always preserve s0 in dynamic ftrace register frame Wang Han
2026-06-02 11:37   ` Shuai Xue
2026-05-28  8:23 ` [PATCH v2 5/8] riscv: stacktrace: introduce stack-bound tracking helpers Wang Han
2026-06-03  1:23   ` Shuai Xue
2026-05-28  8:23 ` [PATCH v2 6/8] riscv: stacktrace: switch to frame-pointer based unwinder Wang Han
2026-06-03  1:35   ` Shuai Xue
2026-05-28  8:23 ` [PATCH v2 7/8] riscv: Kconfig: enable HAVE_RELIABLE_STACKTRACE and HAVE_LIVEPATCH Wang Han
2026-06-03  1:49   ` Shuai Xue
2026-05-28  8:23 ` [PATCH v2 8/8] selftests/livepatch: Add RISC-V syscall wrapper prefix Wang Han
2026-05-28 13:33   ` Marcos Paulo de Souza [this message]
2026-06-03  1:54   ` Shuai Xue

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