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Date: Tue, 11 Jul 2023 19:23:24 +0200
From: Alexey Gladkov <legion@...nel.org>
To: Namhyung Kim <namhyung@...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,
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peterz@...radead.org, ralf@...ux-mips.org,
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x86@...nel.org, ysato@...rs.sourceforge.jp
Subject: Re: [PATCH v4 4/5] tools headers UAPI: Sync files changed by new
fchmodat2 syscall
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@...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.
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
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