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Date:   Fri, 18 Dec 2020 08:26:59 -0300
From:   Arnaldo Carvalho de Melo <acme@kernel.org>
To:     Ravi Bangoria <ravi.bangoria@linux.ibm.com>,
        "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com>
Cc:     Tiezhu Yang <yangtiezhu@loongson.cn>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@redhat.com>,
        Namhyung Kim <namhyung@kernel.org>,
        linux-kernel@vger.kernel.org, Xuefeng Li <lixuefeng@loongson.cn>
Subject: Re: [PATCH 3/4] perf tools: Update powerpc's syscall.tbl
Message-ID: <20201218112659.GB325926@kernel.org>
References: <1608278364-6733-1-git-send-email-yangtiezhu@loongson.cn>
 <1608278364-6733-4-git-send-email-yangtiezhu@loongson.cn>
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Em Fri, Dec 18, 2020 at 03:59:23PM +0800, Tiezhu Yang escreveu:
> This silences the following tools/perf/ build warning:
> Warning: Kernel ABI header at 'tools/perf/arch/powerpc/entry/syscalls/syscall.tbl' differs from latest version at 'arch/powerpc/kernel/syscalls/syscall.tbl'

Hi Ravi, Naveen,

	Can I get your Reviewed-by or Acked-by for this change and the
other that adds s390's syscall.tbl to check_headers.sh so that we get
notified when the copy drifts, so that we can see if it still continues
working and we can get new syscalls to be supported in things like 'perf
trace'?

Thanks,

- Arnaldo
 
> Just make them same:
> cp arch/powerpc/kernel/syscalls/syscall.tbl tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
> 
> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
> ---
>  tools/perf/arch/powerpc/entry/syscalls/syscall.tbl | 25 ++++++++++++++++------
>  1 file changed, 18 insertions(+), 7 deletions(-)
> 
> diff --git a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
> index b168364..1275dae 100644
> --- a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
> +++ b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
> @@ -9,7 +9,9 @@
>  #
>  0	nospu	restart_syscall			sys_restart_syscall
>  1	nospu	exit				sys_exit
> -2	nospu	fork				ppc_fork
> +2	32	fork				ppc_fork			sys_fork
> +2	64	fork				sys_fork
> +2	spu	fork				sys_ni_syscall
>  3	common	read				sys_read
>  4	common	write				sys_write
>  5	common	open				sys_open			compat_sys_open
> @@ -158,7 +160,9 @@
>  119	32	sigreturn			sys_sigreturn			compat_sys_sigreturn
>  119	64	sigreturn			sys_ni_syscall
>  119	spu	sigreturn			sys_ni_syscall
> -120	nospu	clone				ppc_clone
> +120	32	clone				ppc_clone			sys_clone
> +120	64	clone				sys_clone
> +120	spu	clone				sys_ni_syscall
>  121	common	setdomainname			sys_setdomainname
>  122	common	uname				sys_newuname
>  123	common	modify_ldt			sys_ni_syscall
> @@ -240,7 +244,9 @@
>  186	spu	sendfile			sys_sendfile64
>  187	common	getpmsg				sys_ni_syscall
>  188	common 	putpmsg				sys_ni_syscall
> -189	nospu	vfork				ppc_vfork
> +189	32	vfork				ppc_vfork			sys_vfork
> +189	64	vfork				sys_vfork
> +189	spu	vfork				sys_ni_syscall
>  190	common	ugetrlimit			sys_getrlimit			compat_sys_getrlimit
>  191	common	readahead			sys_readahead			compat_sys_readahead
>  192	32	mmap2				sys_mmap2			compat_sys_mmap2
> @@ -316,8 +322,8 @@
>  248	32	clock_nanosleep			sys_clock_nanosleep_time32
>  248	64	clock_nanosleep			sys_clock_nanosleep
>  248	spu	clock_nanosleep			sys_clock_nanosleep
> -249	32	swapcontext			ppc_swapcontext			ppc32_swapcontext
> -249	64	swapcontext			ppc64_swapcontext
> +249	32	swapcontext			ppc_swapcontext			compat_sys_swapcontext
> +249	64	swapcontext			sys_swapcontext
>  249	spu	swapcontext			sys_ni_syscall
>  250	common	tgkill				sys_tgkill
>  251	32	utimes				sys_utimes_time32
> @@ -456,7 +462,7 @@
>  361	common	bpf				sys_bpf
>  362	nospu	execveat			sys_execveat			compat_sys_execveat
>  363	32	switch_endian			sys_ni_syscall
> -363	64	switch_endian			ppc_switch_endian
> +363	64	switch_endian			sys_switch_endian
>  363	spu	switch_endian			sys_ni_syscall
>  364	common	userfaultfd			sys_userfaultfd
>  365	common	membarrier			sys_membarrier
> @@ -516,6 +522,11 @@
>  432	common	fsmount				sys_fsmount
>  433	common	fspick				sys_fspick
>  434	common	pidfd_open			sys_pidfd_open
> -435	nospu	clone3				ppc_clone3
> +435	32	clone3				ppc_clone3			sys_clone3
> +435	64	clone3				sys_clone3
> +435	spu	clone3				sys_ni_syscall
> +436	common	close_range			sys_close_range
>  437	common	openat2				sys_openat2
>  438	common	pidfd_getfd			sys_pidfd_getfd
> +439	common	faccessat2			sys_faccessat2
> +440	common	process_madvise			sys_process_madvise
> -- 
> 2.1.0
> 

-- 

- Arnaldo