Messages in this thread | | | Date | Fri, 30 Nov 2018 07:13:09 +0900 | From | Masami Hiramatsu <> | Subject | Re: [PATCH v2] arm64: ftrace: Fix to enable syscall events on arm64 |
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On Thu, 29 Nov 2018 16:53:30 +0000 Catalin Marinas <catalin.marinas@arm.com> wrote:
> 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.
Thank you Catalin!
> > -- > Catalin
-- Masami Hiramatsu <mhiramat@kernel.org>
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