linux-kernel - Re: [PATCH v2 3/3] arm64: use the correct function type for __arm64_sys_ni

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Message-ID: <20190524215821.GA37129@google.com>
Date:   Fri, 24 May 2019 14:58:21 -0700
From:   Sami Tolvanen <samitolvanen@...gle.com>
To:     Will Deacon <will.deacon@....com>
Cc:     Mark Rutland <mark.rutland@....com>,
        Kees Cook <keescook@...omium.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 3/3] arm64: use the correct function type for
 __arm64_sys_ni_syscall

On Fri, May 24, 2019 at 07:35:51PM +0100, Will Deacon wrote:
> > In the absence of a patch from Mark, I'd suggest just adding a SYS_NI macro
> > to our asm/syscall_wrapper.h file which avoids the error injection stuff.

If we don't want to use SYSCALL_DEFINE0, I don't think we need a macro
at all. I believe it's cleaner to just define __arm64_sys_ni_syscall with
the correct type in sys.c.

> Do you plan to repost this?

Yes. Sorry for the delay. I'll post v3 shortly.

Sami