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Date:   Tue, 11 Jul 2023 19:23:24 +0200
From:   Alexey Gladkov <legion@kernel.org>
To:     Namhyung Kim <namhyung@kernel.org>
Cc:     LKML <linux-kernel@vger.kernel.org>, Arnd Bergmann <arnd@arndb.de>,
        linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org,
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Subject: Re: [PATCH v4 4/5] tools headers UAPI: Sync files changed by new
 fchmodat2 syscall
Message-ID: <ZK2QDCrlB/3dyiDy@example.org>
References: <cover.1689074739.git.legion@kernel.org>
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On Tue, Jul 11, 2023 at 10:19:35AM -0700, Namhyung Kim wrote:
> 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.

Sure. No problem.

> >
> > 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
> >
> 

-- 
Rgrds, legion