From: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>,
linux-kernel@vger.kernel.org,
"H. Peter Anvin" <hpa@linux.intel.com>,
Jiri Kosina <jkosina@suse.cz>,
Steven Rostedt <rostedt@goodmis.org>,
Jason Baron <jbaron@akamai.com>,
yrl.pp-manager.tt@hitachi.com, Borislav Petkov <bpetkov@suse.de>
Subject: Re: Re: [PATCH -tip 3/3] x86: Remove unused text_poke_smp and text_poke_smp_batch
Date: Mon, 22 Jul 2013 17:38:37 +0900 [thread overview]
Message-ID: <51ECEF8D.60109@hitachi.com> (raw)
In-Reply-To: <20130722082104.GA26823@gmail.com>
(2013/07/22 17:21), Ingo Molnar wrote:
>
> * Ingo Molnar <mingo@kernel.org> wrote:
>
>>
>> * Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> wrote:
>>
>>> Since introducing the text_poke_bp for all text_poke_smp*
>>> callers, text_poke_smp* are now unused. This basically
>>> reverts 3d55cc8a, 7deb18dc and related commits.
>>>
>>> This also fixes a Kconfig dependency issue on STOP_MACHINE
>>> in the case of CONFIG_SMP && !CONFIG_MODULE_UNLOAD.
>>>
>>> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
>>> ---
>>> arch/x86/Kconfig | 5 --
>>> arch/x86/include/asm/alternative.h | 11 ----
>>> arch/x86/kernel/alternative.c | 98 +-----------------------------------
>>> 3 files changed, 2 insertions(+), 112 deletions(-)
>>
>> Hm, it does not build with the attached config:
>>
>> arch/x86/kernel/kprobes/opt.c: In function 'setup_optimize_kprobe':
>> arch/x86/kernel/kprobes/opt.c:394:6: error: dereferencing pointer to incomplete type
>> arch/x86/kernel/kprobes/opt.c:395:6: error: dereferencing pointer to incomplete type
>> arch/x86/kernel/kprobes/opt.c:396:6: error: dereferencing pointer to incomplete type
>
> 32-bit appears to be the key pattern.
Ingo, please make sure your x86/jumplabel tree picked all of my patches.
This 3/3 strongly depends on the previous 1/3 and 2/3.
Without it, kprobes/opt.c can not be build because it still uses the
text_poke_params data structure which 3/3 removes.
Thank you,
--
Masami HIRAMATSU
IT Management Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@hitachi.com
next prev parent reply other threads:[~2013-07-22 8:38 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-18 11:47 [PATCH -tip 0/3] kprobes, x86: Move optprobe on top of int3-based instruction patching Masami Hiramatsu
2013-07-18 11:47 ` [PATCH -tip 1/3] [CLEANUP] kprobes/x86: Remove an incorrect comment about int3 in NMI/MCE Masami Hiramatsu
2013-07-21 13:43 ` [tip:perf/core] " tip-bot for Masami Hiramatsu
2013-07-18 11:47 ` [PATCH -tip 2/3] kprobes/x86: Use text_poke_bp() instead of text_poke_smp*() Masami Hiramatsu
2013-07-21 13:43 ` [tip:perf/core] " tip-bot for Masami Hiramatsu
2013-07-18 11:47 ` [PATCH -tip 3/3] x86: Remove unused text_poke_smp and text_poke_smp_batch Masami Hiramatsu
2013-07-21 13:43 ` [tip:perf/core] kprobes/x86: Remove unused text_poke_smp() and text_poke_smp_batch() functions tip-bot for Masami Hiramatsu
2013-07-22 7:18 ` [tip:x86/jumplabel] " tip-bot for Masami Hiramatsu
2013-07-22 7:43 ` [PATCH -tip 3/3] x86: Remove unused text_poke_smp and text_poke_smp_batch Ingo Molnar
2013-07-22 8:04 ` Masami Hiramatsu
2013-07-22 8:21 ` Ingo Molnar
2013-07-22 8:38 ` Masami Hiramatsu [this message]
2013-07-22 10:01 ` Ingo Molnar
2013-07-22 10:11 ` Masami Hiramatsu
2013-07-22 10:21 ` Ingo Molnar
2013-07-22 13:53 ` Jiri Kosina
2013-07-23 8:10 ` Ingo Molnar
2013-07-18 22:24 ` [PATCH -tip 0/3] kprobes, x86: Move optprobe on top of int3-based instruction patching Jiri Kosina
2013-07-20 1:35 ` Steven Rostedt
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