linux-kernel - Re: [PATCH] Add compat_sys_preadv64v2/compat_sys

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Date:	Thu, 14 Jul 2016 12:31:53 -0700
From:	"H.J. Lu" <hjl.tools@...il.com>
To:	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Christoph Hellwig <hch@....de>
Cc:	"x86@...nel.org" <x86@...nel.org>, "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] Add compat_sys_preadv64v2/compat_sys_pwritev64v2

On Thu, Jul 14, 2016 at 12:01 PM, Ingo Molnar <mingo@...nel.org> wrote:
>
> * H.J. Lu <hjl.tools@...il.com> wrote:
>
>> Add compat_sys_preadv64v2 and compat_sys_pwritev64v2 so that 64-bit offset
>> is passed in one 64-bit register on x32, similar to compat_sys_preadv64
>> and compat_sys_pwritev64.
>>
>> Signed-off-by: H.J. Lu <hjl.tools@...il.com>
>
>> From 100f17970625dfeb27539a4bb2470acefe3982e1 Mon Sep 17 00:00:00 2001
>> From: "H.J. Lu" <hjl.tools@...il.com>
>> Date: Thu, 14 Jul 2016 08:42:12 -0700
>> Subject: [PATCH] Add compat_sys_preadv64v2/compat_sys_pwritev64v2
>>
>> Add compat_sys_preadv64v2 and compat_sys_pwritev64v2 so that 64-bit offset
>> is passed in one 64-bit register on x32, similar to compat_sys_preadv64
>> and compat_sys_pwritev64.
>>
>> Signed-off-by: H.J. Lu <hjl.tools@...il.com>
>> ---
>>  arch/x86/entry/syscalls/syscall_64.tbl |  2 ++
>>  arch/x86/include/asm/unistd.h          |  2 ++
>>  fs/read_write.c                        | 18 ++++++++++++++++++
>>  3 files changed, 22 insertions(+)
>
> Could you please send this against the latest upstream kernel, such as v4.7-rc7?
> The patch does not apply cleanly:
>
> patching file arch/x86/entry/syscalls/syscall_64.tbl
> Hunk #1 FAILED at 374.
> 1 out of 1 hunk FAILED -- rejects in file arch/x86/entry/syscalls/syscall_64.tbl
> patching file arch/x86/include/asm/unistd.h
> patching file fs/read_write.c
> Hunk #1 succeeded at 1168 (offset -14 lines).
> Hunk #2 succeeded at 1274 (offset -14 lines).
>
> Also, could you please Cc: linux-kernel@...r.kernel.org to patch submissions?
>
> Thanks,

Here is the updated patch.

-- 
H.J.

View attachment "0001-Add-compat_sys_preadv64v2-compat_sys_pwritev64v2.patch" of type "text/x-patch" (3049 bytes)