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From: "Yang, Bin" <bin.yang@intel.com>
To: "tglx@linutronix.de" <tglx@linutronix.de>
Cc: "mingo@kernel.org" <mingo@kernel.org>,
	"hpa@zytor.com" <hpa@zytor.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"peterz@infradead.org" <peterz@infradead.org>,
	"Gross, Mark" <mark.gross@intel.com>,
	"x86@kernel.org" <x86@kernel.org>,
	"Hansen, Dave" <dave.hansen@intel.com>
Subject: Re: [PATCH v3 4/5] x86/mm: optimize static_protection() by using overlap()
Date: Fri, 7 Sep 2018 08:04:18 +0000	[thread overview]
Message-ID: <cd73f43a15f06c720bb4907d2c424dfb3f0c8683.camel@intel.com> (raw)
In-Reply-To: <alpine.DEB.2.21.1809070943490.1402@nanos.tec.linutronix.de>

On Fri, 2018-09-07 at 09:49 +0200, Thomas Gleixner wrote:
> On Fri, 7 Sep 2018, Yang, Bin wrote:
> > On Tue, 2018-09-04 at 14:22 +0200, Thomas Gleixner wrote:
> > 
> > I just write a test.c to compare the result between overlap() and
> > original within().
> 
> You are right. Your version of doing the overlap exclusive works. I misread
> the conditions. I still prefer doing inclusive checks because they are way
> more obvious.

I am sorry for my poor english. What is "inclusive checks"?


> 
> Thanks,
> 
> 	tglx

  reply	other threads:[~2018-09-07  8:04 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-21  1:16 [PATCH v3 0/5] x86/mm: fix cpu stuck issue in __change_page_attr_set_clr Bin Yang
2018-08-21  1:16 ` [PATCH v3 1/5] x86/mm: avoid redundant checking if pgprot has no change Bin Yang
2018-09-03 21:57   ` Thomas Gleixner
2018-09-04  7:01     ` Yang, Bin
2018-09-04  7:49       ` Thomas Gleixner
2018-09-04  9:12         ` Yang, Bin
2018-09-04  9:22           ` Yang, Bin
2018-08-21  1:16 ` [PATCH v3 2/5] x86/mm: avoid static_protection() checking if not whole large page attr change Bin Yang
2018-08-21  1:16 ` [PATCH v3 3/5] x86/mm: add help function to check specific protection flags in range Bin Yang
2018-09-03 22:10   ` Thomas Gleixner
2018-09-04  6:22     ` Yang, Bin
2018-08-21  1:16 ` [PATCH v3 4/5] x86/mm: optimize static_protection() by using overlap() Bin Yang
2018-09-04 12:22   ` Thomas Gleixner
2018-09-07  1:14     ` Yang, Bin
2018-09-07  7:49       ` Thomas Gleixner
2018-09-07  8:04         ` Yang, Bin [this message]
2018-09-07  8:21           ` Thomas Gleixner
2018-09-07  8:26             ` Yang, Bin
2018-08-21  1:16 ` [PATCH v3 5/5] x86/mm: add WARN_ON_ONCE() for wrong large page mapping Bin Yang
2018-09-03 22:27   ` Thomas Gleixner
2018-09-04  6:32     ` Yang, Bin
2018-09-04  7:41       ` Thomas Gleixner
2018-09-04 16:52         ` Thomas Gleixner
2018-09-07  2:12           ` Yang, Bin

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