From: Pratyush Anand <panand@redhat.com>
To: Oleg Nesterov <oleg@redhat.com>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
Anton Arapov <arapov@gmail.com>,
David Long <dave.long@linaro.org>,
Denys Vlasenko <dvlasenk@redhat.com>,
"Frank Ch. Eigler" <fche@redhat.com>,
Ingo Molnar <mingo@kernel.org>, Jan Willeke <willeke@de.ibm.com>,
Jim Keniston <jkenisto@us.ibm.com>,
Mark Wielaard <mjw@redhat.com>,
Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 07/10] uprobes/x86: Introduce arch_uretprobe_is_alive()
Date: Mon, 18 May 2015 17:38:07 +0530 [thread overview]
Message-ID: <5559D627.7080201@redhat.com> (raw)
In-Reply-To: <20150504124914.GA22512@redhat.com>
Hi Oleg,
On Monday 04 May 2015 06:19 PM, Oleg Nesterov wrote:
> +bool __weak arch_uretprobe_is_alive(struct arch_uretprobe *auret, struct pt_regs *regs)
> +{
> + return true;
> +}
IIUC, then this function should return false when both auret and regs
are corresponding to same retprobe, else we need to return true, right?
If that is the case, then should n't following work for all the cases:
return sp != auret->sp;
~Pratyush
next prev parent reply other threads:[~2015-05-18 12:08 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-04 12:48 [PATCH 00/10] uprobes: longjmp fixes Oleg Nesterov
2015-05-04 12:48 ` [PATCH 01/10] uprobes: Introduce get_uprobe() Oleg Nesterov
2015-05-06 13:20 ` Srikar Dronamraju
2015-05-04 12:48 ` [PATCH 02/10] uprobes: Introduce free_ret_instance() Oleg Nesterov
2015-05-06 13:22 ` Srikar Dronamraju
2015-05-04 12:48 ` [PATCH 03/10] uprobes: Send SIGILL if handle_trampoline() fails Oleg Nesterov
2015-05-06 13:30 ` Srikar Dronamraju
2015-05-04 12:49 ` [PATCH 04/10] uprobes: Change prepare_uretprobe() to use uprobe_warn() Oleg Nesterov
2015-05-07 10:32 ` Srikar Dronamraju
2015-05-04 12:49 ` [PATCH 05/10] uprobes: Change handle_trampoline() to find the next chain beforehand Oleg Nesterov
2015-05-07 10:33 ` Srikar Dronamraju
2015-05-04 12:49 ` [PATCH 06/10] uprobes: Introduce struct arch_uretprobe Oleg Nesterov
2015-05-07 10:34 ` Srikar Dronamraju
2015-05-04 12:49 ` [PATCH 07/10] uprobes/x86: Introduce arch_uretprobe_is_alive() Oleg Nesterov
2015-05-07 10:35 ` Srikar Dronamraju
2015-05-07 11:08 ` Srikar Dronamraju
2015-05-07 17:11 ` Oleg Nesterov
2015-05-08 11:30 ` Srikar Dronamraju
2015-05-10 12:21 ` Oleg Nesterov
2015-05-13 8:11 ` Srikar Dronamraju
2015-05-20 16:51 ` Oleg Nesterov
2015-05-18 12:08 ` Pratyush Anand [this message]
2015-05-20 15:51 ` Oleg Nesterov
2015-05-04 12:49 ` [PATCH 08/10] uprobes: Change handle_trampoline() to flush the frames invalidated by longjmp() Oleg Nesterov
2015-05-07 10:38 ` Srikar Dronamraju
2015-05-04 12:49 ` [PATCH 09/10] uprobes: Change prepare_uretprobe() to (try to) flush the dead frames Oleg Nesterov
2015-05-07 11:19 ` Srikar Dronamraju
2015-06-05 21:40 ` Oleg Nesterov
2015-05-04 12:49 ` [PATCH 10/10] uprobes/x86: Change arch_uretprobe_is_alive() to take !chained into account Oleg Nesterov
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