linux-kernel - Re: [RFC v2 2/7] tables.h: add linker table support

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Message-ID: <56CCF41F.8080507@zytor.com>
Date:	Tue, 23 Feb 2016 16:06:55 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Luis R. Rodriguez" <mcgrof@...nel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	X86 ML <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andy Lutomirski <luto@...capital.net>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	David Vrabel <david.vrabel@...rix.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Michael Brown <mcb30@...e.org>,
	Juergen Gross <jgross@...e.com>,
	Ming Lei <ming.lei@...onical.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Arnd Bergmann <arnd@...db.de>, linux-arch@...r.kernel.org,
	Russell King <linux@....linux.org.uk>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	jbaron@...mai.com, ananth@...ibm.com,
	anil.s.keshavamurthy@...el.com, David Miller <davem@...emloft.net>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	andriy.shevchenko@...ux.intel.com,
	David Woodhouse <dwmw2@...radead.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	linux-security-module <linux-security-module@...r.kernel.org>
Subject: Re: [RFC v2 2/7] tables.h: add linker table support

On 02/23/2016 03:36 PM, Luis R. Rodriguez wrote:
> 
>> 4. the only useful operator on a range is "is address X inside this
>>    range"; this operator is likely *not* useful for a table, since
>>    if you have to ever invoke it you are probably doing something very
>>    wrong.
> 
> kprobe uses it :P
> 

Could you explain how?

	-hpa