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From: Valdis.Kletnieks@vt.edu
To: Tejun Heo <tj@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	oleg@redhat.com, vda.linux@googlemail.com,
	jan.kratochvil@redhat.com, linux-kernel@vger.kernel.org,
	akpm@linux-foundation.org, indan@nul.nu, bdonlan@gmail.com,
	pedro@codesourcery.com
Subject: Re: [PATCH 07/19] ptrace: use bit_waitqueue for TRAPPING instead of wait_chldexit
Date: Wed, 25 May 2011 17:08:14 -0400	[thread overview]
Message-ID: <25746.1306357694@localhost> (raw)
In-Reply-To: Your message of "Wed, 25 May 2011 16:42:14 +0200." <20110525144214.GK10146@htj.dyndns.org>

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On Wed, 25 May 2011 16:42:14 +0200, Tejun Heo said:

> > You can get a good idea of the code quality if you grep for users. I
> > don't think it's an accident at all that the two big blocks are
> > ide-tape and some infiniband drivers.
> 
> Maybe, but also ilog2() is relatively new and most already had ways to
> deal with bit positions and masks, so the uptake is expected to be
> slow.

One has to wonder how ide-tape got to be a early-adopter user of *anything*.

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  reply	other threads:[~2011-05-25 21:08 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-24 18:37 [PATCHSET ptrace] ptrace: implement PTRACE_SEIZE/INTERRUPT and group stop notification, take#3 Tejun Heo
2011-05-24 18:37 ` [PATCH 01/19] job control: rename signal->group_stop and flags to jobctl and rearrange flags Tejun Heo
2011-05-24 18:37 ` [PATCH 02/19] ptrace: ptrace_check_attach(): rename @kill to @ignore_state and add comments Tejun Heo
2011-05-24 18:37 ` [PATCH 03/19] ptrace: relocate set_current_state(TASK_TRACED) in ptrace_stop() Tejun Heo
2011-05-24 18:37 ` [PATCH 04/19] job control: introduce JOBCTL_PENDING_MASK and task_clear_jobctl_pending() Tejun Heo
2011-05-24 18:37 ` [PATCH 05/19] job control: make task_clear_jobctl_pending() clear TRAPPING automatically Tejun Heo
2011-05-24 18:37 ` [PATCH 06/19] job control: introduce task_set_jobctl_pending() Tejun Heo
2011-05-24 18:37 ` [PATCH 07/19] ptrace: use bit_waitqueue for TRAPPING instead of wait_chldexit Tejun Heo
2011-05-24 19:03   ` Linus Torvalds
2011-05-25  8:44     ` Tejun Heo
2011-05-25 14:34       ` Linus Torvalds
2011-05-25 14:42         ` Tejun Heo
2011-05-25 21:08           ` Valdis.Kletnieks [this message]
2011-05-24 18:37 ` [PATCH 08/19] ptrace: move JOBCTL_TRAPPING wait to wait(2) and ptrace_check_attach() Tejun Heo
2011-05-24 18:37 ` [PATCH 09/19] ptrace: make TRAPPING wait interruptible Tejun Heo
2011-05-24 18:37 ` [PATCH 10/19] signal: remove three noop tracehooks Tejun Heo
2011-05-24 18:37 ` [PATCH 11/19] job control: introduce JOBCTL_TRAP_STOP and use it for group stop trap Tejun Heo
2011-05-24 18:37 ` [PATCH 12/19] ptrace: implement PTRACE_SEIZE Tejun Heo
2011-05-24 18:37 ` [PATCH 13/19] ptrace: implement PTRACE_INTERRUPT Tejun Heo
2011-05-24 18:37 ` [PATCH 14/19] ptrace: restructure ptrace_getsiginfo() Tejun Heo
2011-05-24 18:37 ` [PATCH 15/19] ptrace: add siginfo.si_pt_flags Tejun Heo
2011-05-24 18:37 ` [PATCH 16/19] ptrace: make group stop state visible via PTRACE_GETSIGINFO Tejun Heo
2011-05-24 18:37 ` [PATCH 17/19] ptrace: don't let PTRACE_SETSIGINFO override __SI_TRAP siginfo Tejun Heo
2011-05-24 18:37 ` [PATCH 18/19] ptrace: add JOBCTL_BLOCK_NOTIFY Tejun Heo
2011-05-24 18:37 ` [PATCH 19/19] ptrace: implement group stop notification for ptracer Tejun Heo

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