linux-kernel - Re: v2.6.19-rt6, yum/rpm

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Date:	Thu, 01 Feb 2007 18:52:38 +0300
From:	Sergei Shtylyov <sshtylyov@...mvista.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: v2.6.19-rt6, yum/rpm

Hello.

Ingo Molnar wrote:

>>>as usual, bugreports, fixes and suggestions are welcome,

>>   Be aware that even with the newest -rt patch, the PowerPC TOD 
>>vsyscalls are still broken, i.e. glibc may return imprecise/incorrect 
>>results for the related calls -- despite arch/powerpc/kernel/time.c 
>>has been at last fixed to at least compile, the PowerPC clocksource 
>>patch removed the important part of TOD vsyscall support, and this 
>>hasn't been dealt with.  I've sent to Thomas Gleixner a patch removing 
>>the affected vsyscalls altogether for the time being in the early 
>>November (unfortunately, I came to know of the breakage too late, and 
>>hadn't time to deal with it propery due to othr woes), however, I'm 
>>not seeing any of my patches (I've also done PowerPC clockevents 
>>support) merged to -rt (or otherwise published). Most of the patches 
>>can be found in the linuxppc-dev list archives, for the interested...

> could you resend them to me please?

    Seeing that GENERIC_TIME has been thrown out from the -rt patch, it makes 
no sense now (even if I had time -- I also decided to leave this to Thomas as 
the HRT maintainer). Concerning this change: tghe patch that comments out 
recalc_time_offset() call in arch/powerpc/kernel/time.c must have be thrown 
out as well since it's breaking TOD vsyscall support now.

> 	Ingo

WBR, Sergei
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