linux-kernel - Re: [PATCH] perf arm64: Fix mksyscalltbl, don't lose syscalls due to sort -nu

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Message-ID: <Y4pGchpqZCaWhPQg@kernel.org>
Date:   Fri, 2 Dec 2022 15:39:46 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Leo Yan <leo.yan@...aro.org>,
        Vincent Whitchurch <vincent.whitchurch@...s.com>,
        Hans-Peter Nilsson <hp@...s.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        John Garry <john.garry@...wei.com>,
        Will Deacon <will@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Kim Phillips <kim.phillips@....com>
Subject: Re: [PATCH] perf arm64: Fix mksyscalltbl, don't lose syscalls due to
 sort -nu

Em Fri, Nov 25, 2022 at 02:56:31PM +0100, Arnd Bergmann escreveu:
> On Fri, Nov 25, 2022, at 13:54, Leo Yan wrote:
> > On Fri, Nov 25, 2022 at 12:53:10PM +0100, Vincent Whitchurch wrote:
> 
> >> It looks like this patch was never applied?  AFAICS it is still needed
> >> on current HEAD and it still applies cleanly.
> >
> > Thanks a lot for bringing up this.
> >
> > Before there have a discussion [1] for refactoring Arm64 system call
> > table but it didn't really happen.
> 
> I actually worked on this last week and did a new series to convert
> the old asm-generic/unistd.h header into the syscall.tbl format,
> and change arm64 to use that.
> 
> You can find my work in the 'syscall-tbl' branch of my asm-generic
> tree [1]. This has only seen light build testing so far, and is
> probably still buggy, but most of the work is there. The missing
> bits are the Makefiles for the other seven architectures using
> asm-generic/unistd.h, and checking the output to ensure the
> contents are still the same.
> 
> > I think it's the right thing to merge
> > this patch, @Arnaldo, could you pick up this patch?
> 
> That sounds fine to me.

Sure, and adding an Acked-by: Arnd
 
>     Arnd
> 
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git/

-- 

- Arnaldo