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From: "Jon Medhurst (Tixy)" <tixy@linaro.org>
To: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Russell King <linux@armlinux.org.uk>,
	linux-kernel@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>,
	Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>,
	Ingo Molnar <mingo@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	"H . Peter Anvin" <hpa@zytor.com>, Wang Nan <wangnan0@huawei.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	"David A . Long" <dave.long@linaro.org>,
	Sandeepa Prabhu <sandeepa.s.prabhu@gmail.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [BUGFIX PATCH V2 0/3] kprobes/arm: Improve kprobes implementation on arm
Date: Wed, 22 Feb 2017 15:58:49 +0000	[thread overview]
Message-ID: <1487779129.18810.10.camel@linaro.org> (raw)
In-Reply-To: <20170218064352.b1685bbd17c0189b1937ce3b@kernel.org>

On Sat, 2017-02-18 at 06:43 +0900, Masami Hiramatsu wrote:
> On Fri, 17 Feb 2017 11:01:10 +0000
> "Jon Medhurst (Tixy)" <tixy@linaro.org> wrote:
[...]
> > Meantime
> > I'll investigate the kprobes test failures I see (which actually looks
> > like cache/TLB issues and not test code problems after all).
> 
> OK, btw, I couldn't reproduce the kprobes test failure with
> CONFIG_DEBUG_RODATA=y on qemu...

That's because it's a problem with caches which qemu doesn't emulate.
I worked out the cause and posted a patch...
http://lists.infradead.org/pipermail/linux-arm-kernel/2017-February/489517.html

-- 
Tixy

  reply	other threads:[~2017-02-22 15:59 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-15  0:27 [BUGFIX PATCH V2 0/3] kprobes/arm: Improve kprobes implementation on arm Masami Hiramatsu
2017-02-15  0:28 ` [BUGFIX PATCH V2 1/3] kprobes/arm: Allow to handle reentered kprobe on single-stepping Masami Hiramatsu
2017-02-15  0:29 ` [BUGFIX PATCH V2 2/3] kprobes/arm: Skip single-stepping in recursing path if possible Masami Hiramatsu
2017-02-15  0:31 ` [BUGFIX PATCH V2 3/3] kprobes/arm: Fix the return address of multiple kretprobes Masami Hiramatsu
2017-02-17 11:01 ` [BUGFIX PATCH V2 0/3] kprobes/arm: Improve kprobes implementation on arm Jon Medhurst (Tixy)
2017-02-17 21:43   ` Masami Hiramatsu
2017-02-22 15:58     ` Jon Medhurst (Tixy) [this message]
2017-02-22 23:26       ` Masami Hiramatsu

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