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References: <20200227132826.195669-1-brgerst@gmail.com> <20200227132826.195669-9-brgerst@gmail.com>
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From:   Andy Lutomirski <luto@kernel.org>
Date:   Fri, 28 Feb 2020 11:02:02 -0800
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Subject: Re: [PATCH v3 8/8] x86: Drop asmlinkage from syscalls
To:     Brian Gerst <brgerst@gmail.com>
Cc:     LKML <linux-kernel@vger.kernel.org>, X86 ML <x86@kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@kernel.org>, Borislav Petkov <bp@alien8.de>,
        "H . Peter Anvin" <hpa@zytor.com>,
        Andy Lutomirski <luto@kernel.org>,
        Dominik Brodowski <linux@dominikbrodowski.net>
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On Thu, Feb 27, 2020 at 5:28 AM Brian Gerst <brgerst@gmail.com> wrote:
>
> asmlinkage is no longer required since the syscall ABI is now fully under
> x86 architecture control.  This makes the 32-bit native syscalls a bit more
> effecient by passing in regs via EAX instead of on the stack.
>
> Signed-off-by: Brian Gerst <brgerst@gmail.com>
> Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>

Reviewed-by: Andy Lutomirski <luto@kernel.org>