Re: [PATCH v4 4/5] tools headers UAPI: Sync files changed by new fchmodat2 syscall

From: Namhyung Kim <namhyung@kernel.org>
To: Alexey Gladkov <legion@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Arnd Bergmann <arnd@arndb.de>,
	linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	viro@zeniv.linux.org.uk, Palmer Dabbelt <palmer@sifive.com>,
	James.Bottomley@hansenpartnership.com, acme@kernel.org,
	alexander.shishkin@linux.intel.com, axboe@kernel.dk,
	benh@kernel.crashing.org, borntraeger@de.ibm.com, bp@alien8.de,
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	davem@davemloft.net, deepa.kernel@gmail.com, deller@gmx.de,
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	x86@kernel.org, ysato@users.sourceforge.jp
Subject: Re: [PATCH v4 4/5] tools headers UAPI: Sync files changed by new fchmodat2 syscall
Date: Tue, 11 Jul 2023 10:19:35 -0700	[thread overview]
Message-ID: <CAM9d7chAqGwy0WmR67TucFjRq+Aa7zQnayvwMCqd5-meVHkP5g@mail.gmail.com> (raw)
In-Reply-To: <22294b3b68050a70eaaa962eff46b8672bc2f7e8.1689092120.git.legion@kernel.org>

Hello,

On Tue, Jul 11, 2023 at 9:18 AM Alexey Gladkov <legion@kernel.org> wrote:
>
> From: Palmer Dabbelt <palmer@sifive.com>
>
> That add support for this new syscall in tools such as 'perf trace'.
>
> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
> Signed-off-by: Alexey Gladkov <legion@kernel.org>
> ---
>  tools/include/uapi/asm-generic/unistd.h             | 5 ++++-
>  tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl | 2 ++
>  tools/perf/arch/powerpc/entry/syscalls/syscall.tbl  | 2 ++
>  tools/perf/arch/s390/entry/syscalls/syscall.tbl     | 2 ++
>  tools/perf/arch/x86/entry/syscalls/syscall_64.tbl   | 2 ++
>  5 files changed, 12 insertions(+), 1 deletion(-)

It'd be nice if you route this patch separately through the
perf tools tree.  We can add this after the kernel change
is accepted.

Thanks,
Namhyung

>
> diff --git a/tools/include/uapi/asm-generic/unistd.h b/tools/include/uapi/asm-generic/unistd.h
> index dd7d8e10f16d..76b5922b0d39 100644
> --- a/tools/include/uapi/asm-generic/unistd.h
> +++ b/tools/include/uapi/asm-generic/unistd.h
> @@ -817,8 +817,11 @@ __SYSCALL(__NR_futex_waitv, sys_futex_waitv)
>  #define __NR_set_mempolicy_home_node 450
>  __SYSCALL(__NR_set_mempolicy_home_node, sys_set_mempolicy_home_node)
>
> +#define __NR_fchmodat2 452
> +__SYSCALL(__NR_fchmodat2, sys_fchmodat2)
> +
>  #undef __NR_syscalls
> -#define __NR_syscalls 451
> +#define __NR_syscalls 453
>
>  /*
>   * 32 bit systems traditionally used different
> diff --git a/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl b/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
> index 3f1886ad9d80..434728af4eaa 100644
> --- a/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
> +++ b/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
> @@ -365,3 +365,5 @@
>  448    n64     process_mrelease                sys_process_mrelease
>  449    n64     futex_waitv                     sys_futex_waitv
>  450    common  set_mempolicy_home_node         sys_set_mempolicy_home_node
> +# 451 reserved for cachestat
> +452    n64     fchmodat2                       sys_fchmodat2
> diff --git a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
> index a0be127475b1..6b70b6705bd7 100644
> --- a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
> +++ b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
> @@ -537,3 +537,5 @@
>  448    common  process_mrelease                sys_process_mrelease
>  449    common  futex_waitv                     sys_futex_waitv
>  450    nospu   set_mempolicy_home_node         sys_set_mempolicy_home_node
> +# 451 reserved for cachestat
> +452    common  fchmodat2                       sys_fchmodat2
> diff --git a/tools/perf/arch/s390/entry/syscalls/syscall.tbl b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
> index b68f47541169..0ed90c9535b0 100644
> --- a/tools/perf/arch/s390/entry/syscalls/syscall.tbl
> +++ b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
> @@ -453,3 +453,5 @@
>  448  common    process_mrelease        sys_process_mrelease            sys_process_mrelease
>  449  common    futex_waitv             sys_futex_waitv                 sys_futex_waitv
>  450  common    set_mempolicy_home_node sys_set_mempolicy_home_node     sys_set_mempolicy_home_node
> +# 451 reserved for cachestat
> +452  common    fchmodat2               sys_fchmodat2                   sys_fchmodat2
> diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
> index c84d12608cd2..a008724a1f48 100644
> --- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
> +++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
> @@ -372,6 +372,8 @@
>  448    common  process_mrelease        sys_process_mrelease
>  449    common  futex_waitv             sys_futex_waitv
>  450    common  set_mempolicy_home_node sys_set_mempolicy_home_node
> +# 451 reserved for cachestat
> +452    common  fchmodat2               sys_fchmodat2
>
>  #
>  # Due to a historical design error, certain syscalls are numbered differently
> --
> 2.33.8
>