linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
To: Steve Capper <steve.capper@linaro.org>
Cc: David Long <dave.long@linaro.org>,
	"Jon Medhurst (Tixy)" <tixy@linaro.org>,
	Russell King <linux@arm.linux.org.uk>,
	Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
	Sandeepa Prabhu <sandeepa.prabhu@linaro.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>,
	William Cohen <wcohen@redhat.com>,
	David Miller <davem@davemloft.net>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: Re: [PATCH v3 0/5] ARM64: Add kernel probes(Kprobes) support
Date: Thu, 27 Nov 2014 15:07:48 +0900	[thread overview]
Message-ID: <5476BFB4.2020705@hitachi.com> (raw)
In-Reply-To: <CAPvkgC3eVOZEn79C9PC9c7TqC_-yCtDhw5LL6ZWUJxr+oQFaow@mail.gmail.com>

(2014/11/27 3:59), Steve Capper wrote:
> The crash is extremely easy to reproduce.
> 
> I've not observed any missed events on a kprobe on an arm64 system
> that's still alive.
> My (limited!) understanding is that this suggests there could be a
> problem with how missed events from a recursive call to memcpy are
> being handled.

I think so too. BTW, could you bisect that? :)

Thank you,


-- 
Masami HIRAMATSU
Software Platform Research Dept. Linux Technology Research Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@hitachi.com



  reply	other threads:[~2014-11-27  6:07 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-18  6:32 [PATCH v3 0/5] ARM64: Add kernel probes(Kprobes) support David Long
2014-11-18  6:32 ` [PATCH v3 1/5] arm64: Kprobes with single stepping support David Long
2014-11-18 13:28   ` Jon Medhurst (Tixy)
2014-11-21  4:28     ` David Long
2014-11-18 14:38   ` William Cohen
2014-11-18 14:39   ` William Cohen
2014-11-18 14:56   ` Will Deacon
2014-11-19 11:21     ` Sandeepa Prabhu
2014-11-19 11:25       ` Will Deacon
2014-11-19 14:55         ` David Long
2014-11-20  5:10           ` Sandeepa Prabhu
2014-11-26  6:46           ` David Long
2014-11-26 10:09             ` Will Deacon
2014-12-22 10:10   ` Pratyush Anand
2014-11-18  6:32 ` [PATCH v3 2/5] arm64: Kprobes instruction simulation support David Long
2014-11-18 14:43   ` William Cohen
2014-11-18  6:32 ` [PATCH v3 3/5] arm64: Add kernel return probes support(kretprobes) David Long
2014-11-18 14:50   ` William Cohen
2014-11-18  6:32 ` [PATCH v3 4/5] kprobes: Add arm64 case in kprobe example module David Long
2014-11-18  6:32 ` [PATCH v3 5/5] arm64: Add HAVE_REGS_AND_STACK_ACCESS_API feature David Long
2014-11-18 14:52   ` Will Deacon
2014-11-20  7:20     ` Masami Hiramatsu
2014-11-21  6:16     ` David Long
2014-11-20 15:02 ` [PATCH v3 0/5] ARM64: Add kernel probes(Kprobes) support Steve Capper
2014-11-26  8:33   ` Masami Hiramatsu
2014-11-26 10:03     ` Steve Capper
2014-11-26 17:46       ` David Long
2014-11-26 18:59         ` Steve Capper
2014-11-27  6:07           ` Masami Hiramatsu [this message]
2014-11-28 16:01             ` Steve Capper
2014-12-01  9:37               ` Masami Hiramatsu
2014-12-02 19:27                 ` William Cohen
2014-12-02 20:00                   ` William Cohen
2014-12-03  3:36                   ` Masami Hiramatsu
2014-12-03 14:54                 ` William Cohen
2014-12-03 22:54                   ` David Long
2014-12-04  0:02                     ` David Long
2014-12-04  1:16                     ` William Cohen
2014-12-04  2:48                       ` David Long
2014-12-04 10:21                         ` Steve Capper
2014-12-04 10:43                           ` Masami Hiramatsu
2014-12-04 11:29                             ` Steve Capper
2014-12-04 11:53                               ` Masami Hiramatsu
2014-12-09 13:33                                 ` Steve Capper
2014-12-09 14:27                                   ` David Long
2014-12-10 16:38                                     ` Steve Capper
2014-12-12 22:42                                       ` David Long
2014-12-12 23:10                                         ` Steve Capper
2014-12-15  5:58                                           ` Masami Hiramatsu
2014-12-15  6:29                                           ` David Long
2014-12-05  5:08                       ` William Cohen
2014-11-27  5:13       ` Masami Hiramatsu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5476BFB4.2020705@hitachi.com \
    --to=masami.hiramatsu.pt@hitachi.com \
    --cc=ananth@in.ibm.com \
    --cc=anil.s.keshavamurthy@intel.com \
    --cc=catalin.marinas@arm.com \
    --cc=dave.long@linaro.org \
    --cc=davem@davemloft.net \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@arm.linux.org.uk \
    --cc=sandeepa.prabhu@linaro.org \
    --cc=steve.capper@linaro.org \
    --cc=tixy@linaro.org \
    --cc=wcohen@redhat.com \
    --cc=will.deacon@arm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).