Messages in this thread | | | Date | Thu, 29 Nov 2018 16:53:30 +0000 | From | Catalin Marinas <> | Subject | Re: [PATCH v2] arm64: ftrace: Fix to enable syscall events on arm64 |
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On Thu, Nov 29, 2018 at 02:39:33PM +0900, Masami Hiramatsu wrote: > Since commit 4378a7d4be30 ("arm64: implement syscall wrappers") > introduced "__arm64_" prefix to all syscall wrapper symbols in > sys_call_table, syscall tracer can not find corresponding > metadata from syscall name. In the result, we have no syscall > ftrace events on arm64 kernel, and some bpf testcases are failed > on arm64. > > To fix this issue, this introduces custom > arch_syscall_match_sym_name() which skips first 8 bytes when > comparing the syscall and symbol names. > > Fixes: 4378a7d4be30 ("arm64: implement syscall wrappers") > Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org> > Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> > Acked-by: Will Deacon <will.deacon@arm.com> > Tested-by: Naresh Kamboju <naresh.kamboju@linaro.org> > Cc: stable@vger.kernel.org
Queued for 4.20. Thanks.
-- Catalin
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