From: dave.long@linaro.org (David Long)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v15 00/10] arm64: Add kernel probes (kprobes) support
Date: Thu, 14 Jul 2016 13:56:32 -0400 [thread overview]
Message-ID: <5787D250.4010005@linaro.org> (raw)
In-Reply-To: <20160714162208.GA22235@e104818-lin.cambridge.arm.com>
On 07/14/2016 12:22 PM, Catalin Marinas wrote:
> On Fri, Jul 08, 2016 at 12:35:44PM -0400, David Long wrote:
>> David A. Long (3):
>> arm64: Add HAVE_REGS_AND_STACK_ACCESS_API feature
>> arm64: Add more test functions to insn.c
>> arm64: add conditional instruction simulation support
>>
>> Pratyush Anand (2):
>> arm64: Blacklist non-kprobe-able symbol
>> arm64: Treat all entry code as non-kprobe-able
>>
>> Sandeepa Prabhu (4):
>> arm64: Kprobes with single stepping support
>> arm64: kprobes instruction simulation support
>> arm64: Add kernel return probes support (kretprobes)
>> kprobes: Add arm64 case in kprobe example module
>>
>> William Cohen (1):
>> arm64: Add trampoline code for kretprobes
>
> I applied these patches on top of the arm64 for-next/core branch an
> tried to run the resulting kernel in a guest (on a Juno platform using
> both kvmtool and qemu) with KPROBES_SANITY_TEST enabled. Unfortunately,
> the kernel fails to boot with lots of "Unexpected kernel single-step
> exception at EL1".
>
> Did you manage to run Kprobes in a guest before?
>
I have not run this code as a guest, I have only tested it natively.
-dl
WARNING: multiple messages have this Message-ID (diff)
From: David Long <dave.long@linaro.org>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: "Huang Shijie" <shijie.huang@arm.com>,
"James Morse" <james.morse@arm.com>,
"Marc Zyngier" <marc.zyngier@arm.com>,
"Pratyush Anand" <panand@redhat.com>,
"Sandeepa Prabhu" <sandeepa.s.prabhu@gmail.com>,
"Will Deacon" <will.deacon@arm.com>,
"William Cohen" <wcohen@redhat.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
"Steve Capper" <steve.capper@linaro.org>,
"Masami Hiramatsu" <mhiramat@kernel.org>,
"Li Bin" <huawei.libin@huawei.com>,
"Jisheng Zhang" <jszhang@marvell.com>,
"Mark Rutland" <mark.rutland@arm.com>,
"Daniel Thompson" <daniel.thompson@linaro.org>,
"Vladimir Murzin" <Vladimir.Murzin@arm.com>,
"Petr Mladek" <pmladek@suse.com>,
"Ard Biesheuvel" <ard.biesheuvel@linaro.org>,
"Jens Wiklander" <jens.wiklander@linaro.org>,
"Robin Murphy" <robin.murphy@arm.com>,
"Mark Brown" <broonie@kernel.org>,
"Suzuki K Poulose" <suzuki.poulose@arm.com>,
"Dave P Martin" <Dave.Martin@arm.com>,
"Andrey Ryabinin" <ryabinin.a.a@gmail.com>,
"yalin wang" <yalin.wang2010@gmail.com>,
"Yang Shi" <yang.shi@linaro.org>,
"Zi Shen Lim" <zlim.lnx@gmail.com>,
"John Blackwood" <john.blackwood@ccur.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Alex Bennée" <alex.bennee@linaro.org>,
"Adam Buchbinder" <adam.buchbinder@gmail.com>,
"Christoffer Dall" <christoffer.dall@linaro.org>
Subject: Re: [PATCH v15 00/10] arm64: Add kernel probes (kprobes) support
Date: Thu, 14 Jul 2016 13:56:32 -0400 [thread overview]
Message-ID: <5787D250.4010005@linaro.org> (raw)
In-Reply-To: <20160714162208.GA22235@e104818-lin.cambridge.arm.com>
On 07/14/2016 12:22 PM, Catalin Marinas wrote:
> On Fri, Jul 08, 2016 at 12:35:44PM -0400, David Long wrote:
>> David A. Long (3):
>> arm64: Add HAVE_REGS_AND_STACK_ACCESS_API feature
>> arm64: Add more test functions to insn.c
>> arm64: add conditional instruction simulation support
>>
>> Pratyush Anand (2):
>> arm64: Blacklist non-kprobe-able symbol
>> arm64: Treat all entry code as non-kprobe-able
>>
>> Sandeepa Prabhu (4):
>> arm64: Kprobes with single stepping support
>> arm64: kprobes instruction simulation support
>> arm64: Add kernel return probes support (kretprobes)
>> kprobes: Add arm64 case in kprobe example module
>>
>> William Cohen (1):
>> arm64: Add trampoline code for kretprobes
>
> I applied these patches on top of the arm64 for-next/core branch an
> tried to run the resulting kernel in a guest (on a Juno platform using
> both kvmtool and qemu) with KPROBES_SANITY_TEST enabled. Unfortunately,
> the kernel fails to boot with lots of "Unexpected kernel single-step
> exception at EL1".
>
> Did you manage to run Kprobes in a guest before?
>
I have not run this code as a guest, I have only tested it natively.
-dl
next prev parent reply other threads:[~2016-07-14 17:56 UTC|newest]
Thread overview: 147+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-08 16:35 [PATCH v15 00/10] arm64: Add kernel probes (kprobes) support David Long
2016-07-08 16:35 ` David Long
2016-07-08 16:35 ` [PATCH v15 01/10] arm64: Add HAVE_REGS_AND_STACK_ACCESS_API feature David Long
2016-07-08 16:35 ` David Long
2016-07-15 10:57 ` Catalin Marinas
2016-07-15 10:57 ` Catalin Marinas
2016-07-15 14:51 ` David Long
2016-07-15 14:51 ` David Long
2016-07-15 15:13 ` Catalin Marinas
2016-07-15 15:13 ` Catalin Marinas
2016-07-15 17:51 ` David Long
2016-07-15 17:51 ` David Long
2016-07-19 14:17 ` Catalin Marinas
2016-07-19 14:17 ` Catalin Marinas
2016-07-08 16:35 ` [PATCH v15 02/10] arm64: Add more test functions to insn.c David Long
2016-07-08 16:35 ` David Long
2016-07-08 16:35 ` [PATCH v15 03/10] arm64: add conditional instruction simulation support David Long
2016-07-08 16:35 ` David Long
2016-07-08 16:35 ` [PATCH v15 04/10] arm64: Kprobes with single stepping support David Long
2016-07-08 16:35 ` David Long
2016-07-20 9:36 ` Marc Zyngier
2016-07-20 9:36 ` Marc Zyngier
2016-07-20 11:16 ` Catalin Marinas
2016-07-20 11:16 ` Catalin Marinas
2016-07-20 19:08 ` David Long
2016-07-20 19:08 ` David Long
2016-07-21 8:44 ` Marc Zyngier
2016-07-21 8:44 ` Marc Zyngier
2016-07-20 15:49 ` Catalin Marinas
2016-07-20 15:49 ` Catalin Marinas
2016-07-21 14:50 ` David Long
2016-07-21 14:50 ` David Long
2016-07-20 16:09 ` Marc Zyngier
2016-07-20 16:09 ` Marc Zyngier
2016-07-20 16:28 ` Catalin Marinas
2016-07-20 16:28 ` Catalin Marinas
2016-07-20 16:31 ` Marc Zyngier
2016-07-20 16:31 ` Marc Zyngier
2016-07-20 16:46 ` Marc Zyngier
2016-07-20 16:46 ` Marc Zyngier
2016-07-20 17:04 ` Catalin Marinas
2016-07-20 17:04 ` Catalin Marinas
2016-07-21 16:33 ` David Long
2016-07-21 16:33 ` David Long
2016-07-21 17:16 ` Catalin Marinas
2016-07-21 17:16 ` Catalin Marinas
2016-07-21 17:23 ` Marc Zyngier
2016-07-21 17:23 ` Marc Zyngier
2016-07-21 18:33 ` David Long
2016-07-21 18:33 ` David Long
2016-07-22 10:16 ` Catalin Marinas
2016-07-22 10:16 ` Catalin Marinas
2016-07-22 15:51 ` David Long
2016-07-22 15:51 ` David Long
2016-07-25 17:13 ` Catalin Marinas
2016-07-25 17:13 ` Catalin Marinas
2016-07-25 22:27 ` David Long
2016-07-25 22:27 ` David Long
2016-07-27 11:50 ` Daniel Thompson
2016-07-27 11:50 ` Daniel Thompson
2016-07-27 22:13 ` David Long
2016-07-27 22:13 ` David Long
2016-07-28 14:40 ` Catalin Marinas
2016-07-28 14:40 ` Catalin Marinas
2016-07-29 9:01 ` Daniel Thompson
2016-07-29 9:01 ` Daniel Thompson
2016-08-04 4:47 ` David Long
2016-08-04 4:47 ` David Long
2016-08-08 11:13 ` Daniel Thompson
2016-08-08 11:13 ` Daniel Thompson
2016-08-08 11:13 ` Daniel Thompson
2016-08-08 14:29 ` David Long
2016-08-08 14:29 ` David Long
2016-08-08 14:29 ` David Long
2016-08-08 22:49 ` Masami Hiramatsu
2016-08-08 22:49 ` Masami Hiramatsu
2016-08-08 22:49 ` Masami Hiramatsu
2016-08-09 17:23 ` Catalin Marinas
2016-08-09 17:23 ` Catalin Marinas
2016-08-09 17:23 ` Catalin Marinas
2016-08-10 20:41 ` David Long
2016-08-10 20:41 ` David Long
2016-08-10 20:41 ` David Long
2016-08-08 22:19 ` Masami Hiramatsu
2016-08-08 22:19 ` Masami Hiramatsu
2016-07-26 9:50 ` Daniel Thompson
2016-07-26 9:50 ` Daniel Thompson
2016-07-26 16:55 ` Catalin Marinas
2016-07-26 16:55 ` Catalin Marinas
2016-07-27 10:01 ` Dave Martin
2016-07-27 10:01 ` Dave Martin
2016-07-26 17:54 ` Mark Rutland
2016-07-26 17:54 ` Mark Rutland
2016-07-27 11:19 ` Daniel Thompson
2016-07-27 11:19 ` Daniel Thompson
2016-07-27 11:38 ` Dave Martin
2016-07-27 11:38 ` Dave Martin
2016-07-27 11:42 ` Daniel Thompson
2016-07-27 11:42 ` Daniel Thompson
2016-07-27 13:38 ` Mark Rutland
2016-07-27 13:38 ` Mark Rutland
2016-07-08 16:35 ` [PATCH v15 05/10] arm64: Blacklist non-kprobe-able symbol David Long
2016-07-08 16:35 ` David Long
2016-07-08 16:35 ` [PATCH v15 06/10] arm64: Treat all entry code as non-kprobe-able David Long
2016-07-08 16:35 ` David Long
2016-07-15 16:47 ` Catalin Marinas
2016-07-15 16:47 ` Catalin Marinas
2016-07-19 0:53 ` David Long
2016-07-19 0:53 ` David Long
2016-07-08 16:35 ` [PATCH v15 07/10] arm64: kprobes instruction simulation support David Long
2016-07-08 16:35 ` David Long
2016-07-10 22:51 ` Paul Gortmaker
2016-07-10 22:51 ` Paul Gortmaker
2016-07-08 16:35 ` [PATCH v15 08/10] arm64: Add trampoline code for kretprobes David Long
2016-07-08 16:35 ` David Long
2016-07-19 13:46 ` Catalin Marinas
2016-07-19 13:46 ` Catalin Marinas
2016-07-20 18:28 ` David Long
2016-07-20 18:28 ` David Long
2016-07-08 16:35 ` [PATCH v15 09/10] arm64: Add kernel return probes support (kretprobes) David Long
2016-07-08 16:35 ` David Long
2016-07-08 16:35 ` [PATCH v15 10/10] kprobes: Add arm64 case in kprobe example module David Long
2016-07-08 16:35 ` David Long
2016-07-14 16:22 ` [PATCH v15 00/10] arm64: Add kernel probes (kprobes) support Catalin Marinas
2016-07-14 16:22 ` Catalin Marinas
2016-07-14 17:09 ` William Cohen
2016-07-14 17:09 ` William Cohen
2016-07-15 7:50 ` Catalin Marinas
2016-07-15 7:50 ` Catalin Marinas
2016-07-15 8:01 ` Marc Zyngier
2016-07-15 8:01 ` Marc Zyngier
2016-07-15 8:59 ` Alex Bennée
2016-07-15 8:59 ` Alex Bennée
2016-07-15 9:04 ` Marc Zyngier
2016-07-15 9:04 ` Marc Zyngier
2016-07-15 9:53 ` Marc Zyngier
2016-07-15 9:53 ` Marc Zyngier
2016-07-14 17:56 ` David Long [this message]
2016-07-14 17:56 ` David Long
2016-07-19 13:57 ` Catalin Marinas
2016-07-19 13:57 ` Catalin Marinas
2016-07-19 14:01 ` David Long
2016-07-19 14:01 ` David Long
2016-07-19 18:27 ` Catalin Marinas
2016-07-19 18:27 ` Catalin Marinas
2016-07-19 19:38 ` David Long
2016-07-19 19:38 ` David Long
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