linux-kernel - Re: [RFC][PATCH 0/4 v2] sycalls: Remove args i and n from syscall_get

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Date:   Fri, 29 Mar 2019 21:05:27 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...ive.com>
To:     rostedt@...dmis.org
CC:     Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, mingo@...nel.org,
        akpm@...ux-foundation.org, luto@...capital.net,
        roland@...k.frob.com, oleg@...hat.com, linux-arch@...r.kernel.org,
        peterz@...radead.org, tglx@...utronix.de, gustavo@...eddedor.com,
        bp@...en8.de, hpa@...or.com, x86@...nel.org,
        linux@...inikbrodowski.net, luto@...nel.org, keescook@...omium.org,
        ebiederm@...ssion.com, ldv@...linux.org
Subject:     Re: [RFC][PATCH 0/4 v2] sycalls: Remove args i and n from syscall_get_arguments()

On Fri, 29 Mar 2019 10:40:45 PDT (-0700), rostedt@...dmis.org wrote:
> On Fri, 29 Mar 2019 10:24:58 -0700
> Linus Torvalds <torvalds@...ux-foundation.org> wrote:
>
>> The whole series looks fine to me.
>
> Great! I may just send a pull request to you, after some fixes (see
> below).
>
>>
>> I still suspect that we should just remove the syscall_set_arguments()
>> thing entirely, but even without that, the cleanup of the calling
>> convention is at least an improvement.
>
> I'll keep it around for now, but this should go as a warning to Dmitry,
> to get something using it soon, or they may be dropped.
>
> Also, Dmitry found a few bugs with the current
> syscall_set/get_arguments() on some of the archs (riscv and csky). Which
> I'll add at the front of this series and update my changes to keep the
> same logic.

Thanks.  I'm happy to have you take the RISC-V fix through your tree.

>
> Then I'll post a non RFC version.
>
> -- Steve