From: Denys Vlasenko <vda.linux@googlemail.com>
To: Tejun Heo <tj@kernel.org>
Cc: oleg@redhat.com, jan.kratochvil@redhat.com,
linux-kernel@vger.kernel.org, torvalds@linux-foundation.org,
akpm@linux-foundation.org, indan@nul.nu, bdonlan@gmail.com,
pedro@codesourcery.com
Subject: Re: [PATCH 2/5] ptrace: implement PTRACE_SEIZE
Date: Sat, 18 Jun 2011 10:58:48 +0200 [thread overview]
Message-ID: <201106181058.48744.vda.linux@googlemail.com> (raw)
In-Reply-To: <20110618083032.GJ2611@htj.dyndns.org>
On Saturday 18 June 2011 10:30, Tejun Heo wrote:
> > I propose to define PTRACE_EVENT_STOP as 64 instead, leaving 64 low
> > PTRACE_EVENT_foo constants for possible future PTRACE_O_foo bits.
> >
> > [32 should be enough too, but I feel paranoid today :)]
>
> But this might not be a bad idea. Given that we also support 32bit
> archs, going over 32 wouldn't help much tho.
In 2030, 32 bit will be sort of like 16 bit today :)
and we'll suddenly find it not impossible to use bit positions >= 32.
(and I will be so old it's not funny)
--
vda
next prev parent reply other threads:[~2011-06-18 8:58 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-14 9:20 [PATCHSET ptrace] ptrace: implement PTRACE_SEIZE/INTERRUPT and group stop notification, take#5 Tejun Heo
2011-06-14 9:20 ` [PATCH 1/5] job control: introduce JOBCTL_TRAP_STOP and use it for group stop trap Tejun Heo
2011-06-14 9:20 ` [PATCH 2/5] ptrace: implement PTRACE_SEIZE Tejun Heo
2011-06-18 7:55 ` Denys Vlasenko
2011-06-18 7:59 ` Denys Vlasenko
2011-06-18 8:35 ` Tejun Heo
2011-06-18 8:57 ` Denys Vlasenko
2011-06-18 9:04 ` Tejun Heo
2011-06-18 8:30 ` Tejun Heo
2011-06-18 8:58 ` Denys Vlasenko [this message]
2011-06-14 9:20 ` [PATCH 3/5] ptrace: implement PTRACE_INTERRUPT Tejun Heo
2011-06-14 9:20 ` [PATCH 4/5] ptrace: implement TRAP_NOTIFY and use it for group stop events Tejun Heo
2011-06-16 19:51 ` Oleg Nesterov
2011-06-17 15:12 ` Tejun Heo
2011-06-17 18:31 ` Oleg Nesterov
2011-06-14 9:20 ` [PATCH 5/5] ptrace: implement PTRACE_LISTEN Tejun Heo
2011-09-23 11:17 ` Matt Fleming
2011-09-23 12:26 ` Oleg Nesterov
2011-06-16 19:44 ` [PATCHSET ptrace] ptrace: implement PTRACE_SEIZE/INTERRUPT and group stop notification, take#5 Oleg Nesterov
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