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Message-ID: <CAM9d7chAqGwy0WmR67TucFjRq+Aa7zQnayvwMCqd5-meVHkP5g@mail.gmail.com>
Date:   Tue, 11 Jul 2023 10:19:35 -0700
From:   Namhyung Kim <namhyung@...nel.org>
To:     Alexey Gladkov <legion@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>, Arnd Bergmann <arnd@...db.de>,
        linux-api@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        viro@...iv.linux.org.uk, Palmer Dabbelt <palmer@...ive.com>,
        James.Bottomley@...senpartnership.com, acme@...nel.org,
        alexander.shishkin@...ux.intel.com, axboe@...nel.dk,
        benh@...nel.crashing.org, borntraeger@...ibm.com, bp@...en8.de,
        catalin.marinas@....com, christian@...uner.io, dalias@...c.org,
        davem@...emloft.net, deepa.kernel@...il.com, deller@....de,
        dhowells@...hat.com, fenghua.yu@...el.com, fweimer@...hat.com,
        geert@...ux-m68k.org, glebfm@...linux.org, gor@...ux.ibm.com,
        hare@...e.com, hpa@...or.com, ink@...assic.park.msu.ru,
        jhogan@...nel.org, kim.phillips@....com, ldv@...linux.org,
        linux-alpha@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-ia64@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
        linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org,
        linux-s390@...r.kernel.org, linux-sh@...r.kernel.org,
        linux@...linux.org.uk, linuxppc-dev@...ts.ozlabs.org,
        luto@...nel.org, mattst88@...il.com, mingo@...hat.com,
        monstr@...str.eu, mpe@...erman.id.au, paulus@...ba.org,
        peterz@...radead.org, ralf@...ux-mips.org,
        sparclinux@...r.kernel.org, stefan@...er.ch, tglx@...utronix.de,
        tony.luck@...el.com, tycho@...ho.ws, will@...nel.org,
        x86@...nel.org, ysato@...rs.sourceforge.jp
Subject: Re: [PATCH v4 4/5] tools headers UAPI: Sync files changed by new
 fchmodat2 syscall

Hello,

On Tue, Jul 11, 2023 at 9:18 AM Alexey Gladkov <legion@...nel.org> wrote:
>
> From: Palmer Dabbelt <palmer@...ive.com>
>
> That add support for this new syscall in tools such as 'perf trace'.
>
> Signed-off-by: Palmer Dabbelt <palmer@...ive.com>
> Signed-off-by: Alexey Gladkov <legion@...nel.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
>

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