From: Thomas Gleixner <tglx@linutronix.de>
To: Andi Kleen <andi@firstfloor.org>
Cc: Andy Lutomirski <luto@amacapital.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
X86 ML <x86@kernel.org>, Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH 2/9] x86: Add support for rd/wr fs/gs base
Date: Tue, 22 Mar 2016 09:36:26 +0100 (CET) [thread overview]
Message-ID: <alpine.DEB.2.11.1603220934200.3978@nanos> (raw)
In-Reply-To: <20160321221549.GG5083@two.firstfloor.org>
On Mon, 21 Mar 2016, Andi Kleen wrote:
> On Mon, Mar 21, 2016 at 03:08:46PM -0700, Andy Lutomirski wrote:
> > On Mon, Mar 21, 2016 at 3:05 PM, Andi Kleen <andi@firstfloor.org> wrote:
> > >> Please add a patch before this one that renames gs to gsbase. This is
> > >> unreadable as is.
> > >
> > > I investigated this now, and it's not straight forward because on 32bit
> > > ->gs is actually gsindex, not gsbase. So with a straight rename you
> > > would end up with index in base on 32bit, which would be confusing.
> > >
> >
> > I would take this inconsistency as a reason why this needs to be fixed
> > before any further changes are made.
>
> The patchkit doesn't change anything for 32bit, so any inconsistency
> in 32bit is completely orthogonal.
>
> I don't see how adding a bazillion unrelated changes makes this
> patchkit any better.
The general rule is that we do necessary cleanups before we change or add new
functionality. That's nothing which can be negotiated. Period.
Thanks,
tglx
next prev parent reply other threads:[~2016-03-22 8:38 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-21 16:16 Updated version of RD/WR FS/GS BASE patchkit Andi Kleen
2016-03-21 16:16 ` [PATCH 1/9] x86: Add intrinsics/macros for new rd/wr fs/gs base instructions Andi Kleen
2016-03-21 18:14 ` Andy Lutomirski
2016-03-21 16:16 ` [PATCH 2/9] x86: Add support for rd/wr fs/gs base Andi Kleen
2016-03-21 18:13 ` Andy Lutomirski
2016-03-21 19:05 ` Andi Kleen
2016-03-21 19:22 ` Andy Lutomirski
2016-03-21 22:05 ` Andi Kleen
2016-03-21 22:08 ` Andy Lutomirski
2016-03-21 22:15 ` Andi Kleen
2016-03-22 8:36 ` Thomas Gleixner [this message]
2016-03-22 14:40 ` Brian Gerst
2016-04-15 0:06 ` Andy Lutomirski
2016-03-21 16:16 ` [PATCH 3/9] x86: Make old K8 swapgs workaround conditional Andi Kleen
2016-03-21 16:16 ` [PATCH 4/9] x86: Enumerate kernel FSGS capability in AT_HWCAP2 Andi Kleen
2016-03-21 18:49 ` Brian Gerst
2016-03-21 18:54 ` Andi Kleen
2016-03-21 19:32 ` Brian Gerst
2016-03-21 19:43 ` Andi Kleen
2016-03-21 22:10 ` Andy Lutomirski
2016-03-21 16:16 ` [PATCH 5/9] x86: Add documentation for rd/wr fs/gs base Andi Kleen
2016-03-23 19:14 ` Valdis.Kletnieks
2016-03-21 16:16 ` [PATCH 6/9] x86: Use rd/wr fs/gs base in arch_prctl Andi Kleen
2016-03-21 18:17 ` Andy Lutomirski
2016-03-21 16:16 ` [PATCH 7/9] x86: Add self test code for fsgsbase Andi Kleen
2016-03-21 16:16 ` [PATCH 8/9] x86: Support arbitrary fs/gs base in getregs Andi Kleen
2016-03-21 16:16 ` [PATCH 9/9] x86: Save FS/GS base in core dump Andi Kleen
2016-03-21 18:39 ` Updated version of RD/WR FS/GS BASE patchkit Andy Lutomirski
2016-03-21 19:03 ` Andi Kleen
2016-03-21 19:23 ` Andy Lutomirski
2016-03-21 19:40 ` Andi Kleen
2016-03-21 22:05 ` Andy Lutomirski
2016-03-21 22:11 ` Andi Kleen
2016-03-21 22:27 ` Andy Lutomirski
2016-03-21 22:41 ` Andi Kleen
2016-03-21 22:47 ` Andy Lutomirski
2016-03-21 22:52 ` Andi Kleen
2016-03-21 22:57 ` Andy Lutomirski
2016-03-21 23:02 ` Andi Kleen
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