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From: Stefani Seibold <stefani@seibold.net>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Greg KH <gregkh@linuxfoundation.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	X86 ML <x86@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Andi Kleen <ak@linux.intel.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	John Stultz <john.stultz@linaro.org>,
	Pavel Emelyanov <xemul@parallels.com>,
	Cyrill Gorcunov <gorcunov@openvz.org>,
	andriy.shevchenko@linux.intel.com,
	Martin.Runge@rohde-schwarz.com, Andreas.Brief@rohde-schwarz.com
Subject: Re: [PATCH 7/8] Add 32 bit VDSO time support for 32 bit kernel
Date: Sun, 02 Feb 2014 22:39:50 +0100	[thread overview]
Message-ID: <1391377190.9266.6.camel@wall-e.seibold.net> (raw)
In-Reply-To: <CALCETrXNVoJBUncHbWWuQ7LAf2ZoWOY8uJBeg_VD1+MmwJ07Rg@mail.gmail.com>

Am Sonntag, den 02.02.2014, 08:46 -0800 schrieb Andy Lutomirski:
> On Sun, Feb 2, 2014 at 3:27 AM,  <stefani@seibold.net> wrote:
> > From: Stefani Seibold <stefani@seibold.net>
> >
> > This patch add the time support for 32 bit a VDSO to a 32 bit kernel.
> 
> [...]
> 
> Can you address the review comments from last time around?  For
> example, this still seems to have redundant vvar and hpet mappings, it
> doesn't use the VVAR macro, it moves the 32-bit compat vDSO, etc.
> 

I will address the compat VDSO issue.

But the VVAR macro will be not a part of this patch set. If you depend
on this, feel free to create one. From my point of view this is not
feasible without a macro hacking, because the address accessing the vvar
area differs in kernel and VDSO user mode.

I also see no redundant mapping. There are two modes, one is the map of
the kernel area the other maps the VDSO into the user space area. This
is exactly the behaviour of the origin VDSO implementation.
 
> Also, the usual convention is to use [PATCH v2 3/8], etc, as subjects,
> to keep separate versions separate.
> 

Will do this.

- Stefani



  reply	other threads:[~2014-02-02 21:39 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-02 11:27 [PATCH 0/8] Add 32 bit VDSO time function support stefani
2014-02-02 11:27 ` [PATCH 1/8] Make vsyscall_gtod_data handling x86 generic stefani
2014-02-02 11:27 ` [PATCH 2/8] Add new func _install_special_mapping() to mmap.c stefani
2014-02-02 11:27 ` [PATCH 3/8] revamp vclock_gettime.c stefani
2014-02-02 16:39   ` Andy Lutomirski
2014-02-02 11:27 ` [PATCH 4/8] vclock_gettime.c __vdso_clock_gettime cleanup stefani
2014-02-02 16:38   ` Andy Lutomirski
2014-02-02 11:27 ` [PATCH 5/8] replace VVAR(vsyscall_gtod_data) by gtod macro stefani
2014-02-02 16:42   ` Andy Lutomirski
2014-02-02 11:27 ` [PATCH 6/8] cleanup __vdso_gettimeofday stefani
2014-02-02 15:43   ` H. Peter Anvin
2014-02-02 16:02     ` Stefani Seibold
2014-02-02 16:37   ` Andy Lutomirski
2014-02-02 11:27 ` [PATCH 7/8] Add 32 bit VDSO time support for 32 bit kernel stefani
2014-02-02 16:46   ` Andy Lutomirski
2014-02-02 21:39     ` Stefani Seibold [this message]
2014-02-03  0:12       ` Andy Lutomirski
2014-02-03  7:44         ` Stefani Seibold
2014-02-03 16:36           ` Andy Lutomirski
2014-02-03 22:01             ` Stefani Seibold
2014-02-03 22:04               ` Andy Lutomirski
2014-02-04  6:25                 ` Stefani Seibold
2014-02-02 11:27 ` [PATCH 8/8] Add 32 bit VDSO time support for 64 " stefani

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