linux-kernel - Re: [PATCH] cachestat: wire up cachestat for other architectures

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Message-ID: <CAKEwX=Pty0V0m+_00F1uWR1EXt8Gt35PYh-yUZEd-LQRSKgfGQ@mail.gmail.com>
Date:   Thu, 11 May 2023 02:01:37 -0700
From:   Nhat Pham <nphamcs@...il.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     akpm@...ux-foundation.org, linux-mm@...ck.org,
        linux-api@...r.kernel.org, kernel-team@...a.com,
        linux-arch@...r.kernel.org, hannes@...xchg.org,
        richard.henderson@...aro.org, ink@...assic.park.msu.ru,
        mattst88@...il.com, linux@...linux.org.uk, monstr@...str.eu,
        tsbogend@...ha.franken.de, James.Bottomley@...senpartnership.com,
        deller@....de, mpe@...erman.id.au, npiggin@...il.com,
        christophe.leroy@...roup.eu, hca@...ux.ibm.com, gor@...ux.ibm.com,
        agordeev@...ux.ibm.com, borntraeger@...ux.ibm.com,
        svens@...ux.ibm.com, ysato@...rs.sourceforge.jp, dalias@...c.org,
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        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
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        linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
        linux-sh@...r.kernel.org, sparclinux@...r.kernel.org
Subject: Re: [PATCH] cachestat: wire up cachestat for other architectures

On Thu, May 11, 2023 at 12:01 AM Geert Uytterhoeven
<geert@...ux-m68k.org> wrote:
>
> Hi Nat,
>
> On Wed, May 10, 2023 at 9:58 PM Nhat Pham <nphamcs@...il.com> wrote:
> > cachestat is previously only wired in for x86 (and architectures using
> > the generic unistd.h table):
> >
> > https://lore.kernel.org/lkml/20230503013608.2431726-1-nphamcs@gmail.com/
> >
> > This patch wires cachestat in for all the other architectures.
> >
> > Signed-off-by: Nhat Pham <nphamcs@...il.com>
> > ---
> >  arch/alpha/kernel/syscalls/syscall.tbl      | 1 +
> >  arch/arm/tools/syscall.tbl                  | 1 +
>
> Looking at the last addition of a syscall (commit 21b084fdf2a49ca1
> ("mm/mempolicy: wire up syscall set_mempolicy_home_node"), it looks
> like you forgot to update arm64 in compat mode? Or is that not needed?

It does look like I missed that! Thanks for the reminder. I'll send a fixlet
shortly...

Best,
Nhat

>
> >  arch/ia64/kernel/syscalls/syscall.tbl       | 1 +
> >  arch/m68k/kernel/syscalls/syscall.tbl       | 1 +
>
> For m68k:
> Acked-by: Geert Uytterhoeven <geert@...ux-m68k.org>
>
> >  arch/microblaze/kernel/syscalls/syscall.tbl | 1 +
> >  arch/mips/kernel/syscalls/syscall_n32.tbl   | 1 +
> >  arch/mips/kernel/syscalls/syscall_n64.tbl   | 1 +
> >  arch/mips/kernel/syscalls/syscall_o32.tbl   | 1 +
> >  arch/parisc/kernel/syscalls/syscall.tbl     | 1 +
> >  arch/powerpc/kernel/syscalls/syscall.tbl    | 1 +
> >  arch/s390/kernel/syscalls/syscall.tbl       | 1 +
> >  arch/sh/kernel/syscalls/syscall.tbl         | 1 +
> >  arch/sparc/kernel/syscalls/syscall.tbl      | 1 +
> >  arch/xtensa/kernel/syscalls/syscall.tbl     | 1 +
> >  14 files changed, 14 insertions(+)
>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds