linux-kernel - Re: [PATCH 1/3] context_tracking: New context tracking susbsystem

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Message-ID: <CAFTL4hx_ntOgGttLdOZihQF6OUE21sCNXcXUip1t+hPTeBq0qQ@mail.gmail.com>
Date:	Tue, 27 Nov 2012 00:17:11 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Gilad Ben-Yossef <gilad@...yossef.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...nel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 1/3] context_tracking: New context tracking susbsystem

2012/11/6 Gilad Ben-Yossef <gilad@...yossef.com>:
> On Sat, Nov 3, 2012 at 6:09 PM, Frederic Weisbecker <fweisbec@...il.com> wrote:
>> diff --git a/arch/Kconfig b/arch/Kconfig
>> index 366ec06..3855e06 100644
>> --- a/arch/Kconfig
>> +++ b/arch/Kconfig
>> @@ -300,15 +300,15 @@ config SECCOMP_FILTER
>>
>>           See Documentation/prctl/seccomp_filter.txt for details.
>>
>> -config HAVE_RCU_USER_QS
>> +config HAVE_CONTEXT_TRACKING
>>         bool
>>         help
>> -         Provide kernel entry/exit hooks necessary for userspace
>> +         Provide kernel/user boundaries probes necessary for userspace
>>           RCU extended quiescent state. Syscalls need to be wrapped inside
>
> A minor nit pick: if whole point of the patch is to turn an RCU
> specific mechanism to a generic one
> that RCU happens to use, then the text needs to reflect that. How about:
>
> "Provide kernel/user boundaries probes necessary for subsystems that
> need it, such as userspace
> RCU extended quiescent state. "

Good point! I'm fixing this.

Thanks.
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