From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 0/3] arm, arm64: check for number of arguments in syscall_get/set_arguments()
Date: Thu, 3 Oct 2013 17:13:33 +0100 [thread overview]
Message-ID: <20131003161333.GA7408@mudshark.cambridge.arm.com> (raw)
In-Reply-To: <1380779266-11753-1-git-send-email-takahiro.akashi@linaro.org>
On Thu, Oct 03, 2013 at 06:47:43AM +0100, AKASHI Takahiro wrote:
> # added Roland <mcgrathr@chromium> in CC for asm-generic/syscall.h
>
> I modified my patch based on Will's comments.
> Speaking of arm, i + n is checked against SYSCALL_MAX_ARGS (== 7),
> but it seems that the kernel code assumes that the current max number of
> arguments would be 6. For example, SYSCALL_DEFINEn are defined from 0 to 6.
> Am i wrong?
We do have a 7 argument syscall on OABI ARM. See the original thread:
http://lists.infradead.org/pipermail/linux-arm-kernel/2012-February/085509.html
Will
prev parent reply other threads:[~2013-10-03 16:13 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1380605584-22125-git-send-email-takahiro.akashi@linaro.org>
2013-10-03 5:47 ` [PATCH v2 0/3] arm, arm64: check for number of arguments in syscall_get/set_arguments() AKASHI Takahiro
2013-10-03 5:47 ` [PATCH v2 1/3] " AKASHI Takahiro
2013-10-03 16:18 ` Will Deacon
2013-10-03 5:47 ` [PATCH v2 2/3] arm: " AKASHI Takahiro
2013-10-03 16:19 ` Will Deacon
2013-10-03 5:47 ` [PATCH v2 3/3] asm-generic: syscall_get/set_arguments accept zero for number of arguments AKASHI Takahiro
2013-10-03 16:18 ` Will Deacon
2013-10-03 16:13 ` Will Deacon [this message]
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