linux-kernel - Re: [PATCH v9 7/8] Add 32 bit VDSO time support for 32 bit kernel

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Date:	Sun, 02 Feb 2014 13:45:59 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	stefani@...bold.net, gregkh@...uxfoundation.org,
	linux-kernel@...r.kernel.org, x86@...nel.org, tglx@...utronix.de,
	mingo@...hat.com, ak@...ux.intel.com, aarcange@...hat.com,
	john.stultz@...aro.org, luto@...capital.net, xemul@...allels.com,
	gorcunov@...nvz.org, andriy.shevchenko@...ux.intel.com
CC:	Martin.Runge@...de-schwarz.com, Andreas.Brief@...de-schwarz.com
Subject: Re: [PATCH v9 7/8] Add 32 bit VDSO time support for 32 bit kernel

On 02/02/2014 01:41 PM, stefani@...bold.net wrote:
> @@ -19,11 +22,14 @@ ENTRY(__kernel_vsyscall);
>   */
>  VERSION
>  {
> -	LINUX_2.5 {
> +	LINUX_2.6 {
>  	global:

Why are you changing the version number?  This will, at least in theory,
break libcs from a certain time period.  The version number should only
be changed when there is an ABI-level incompatible change.

	-hpa


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