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From: Masami Hiramatsu <mhiramat@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org, Eddy_Wu@trendmicro.com,
	x86@kernel.org, davem@davemloft.net, rostedt@goodmis.org,
	naveen.n.rao@linux.ibm.com, anil.s.keshavamurthy@intel.com,
	linux-arch@vger.kernel.org, cameron@moodycamel.com,
	oleg@redhat.com, will@kernel.org, paulmck@kernel.org
Subject: Re: [PATCH v5 00/21] kprobes: Unify kretprobe trampoline handlers and make kretprobe lockless
Date: Wed, 2 Sep 2020 09:37:39 +0900	[thread overview]
Message-ID: <20200902093739.8bd13603380951eaddbcd8a5@kernel.org> (raw)
In-Reply-To: <20200901190808.GK29142@worktop.programming.kicks-ass.net>

On Tue, 1 Sep 2020 21:08:08 +0200
Peter Zijlstra <peterz@infradead.org> wrote:

> On Sat, Aug 29, 2020 at 09:59:49PM +0900, Masami Hiramatsu wrote:
> > Masami Hiramatsu (16):
> >       kprobes: Add generic kretprobe trampoline handler
> >       x86/kprobes: Use generic kretprobe trampoline handler
> >       arm: kprobes: Use generic kretprobe trampoline handler
> >       arm64: kprobes: Use generic kretprobe trampoline handler
> >       arc: kprobes: Use generic kretprobe trampoline handler
> >       csky: kprobes: Use generic kretprobe trampoline handler
> >       ia64: kprobes: Use generic kretprobe trampoline handler
> >       mips: kprobes: Use generic kretprobe trampoline handler
> >       parisc: kprobes: Use generic kretprobe trampoline handler
> >       powerpc: kprobes: Use generic kretprobe trampoline handler
> >       s390: kprobes: Use generic kretprobe trampoline handler
> >       sh: kprobes: Use generic kretprobe trampoline handler
> >       sparc: kprobes: Use generic kretprobe trampoline handler
> >       kprobes: Remove NMI context check
> >       kprobes: Free kretprobe_instance with rcu callback
> >       kprobes: Make local used functions static
> > 
> > Peter Zijlstra (5):
> >       llist: Add nonatomic __llist_add() and __llist_dell_all()
> >       kprobes: Remove kretprobe hash
> >       asm-generic/atomic: Add try_cmpxchg() fallbacks
> >       freelist: Lock less freelist
> >       kprobes: Replace rp->free_instance with freelist
> 
> This looks good to me, do you want me to merge them through -tip? If so,
> do we want to try and get them in this release still?

Yes, thanks. For the kretprobe missing issue, we will need the first half
(up to "kprobes: Remove NMI context check"), so we can split the series
if someone think the lockless is still immature.

> 
> Ingo, opinions? This basically fixes a regression cauesd by
> 
>   0d00449c7a28 ("x86: Replace ist_enter() with nmi_enter()")
> 

Oops, I missed Ingo in CC. 

Thank you,

-- 
Masami Hiramatsu <mhiramat@kernel.org>

  reply	other threads:[~2020-09-02  0:37 UTC|newest]

Thread overview: 73+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-29 12:59 [PATCH v5 00/21] kprobes: Unify kretprobe trampoline handlers and make kretprobe lockless Masami Hiramatsu
2020-08-29 13:00 ` [PATCH v5 01/21] kprobes: Add generic kretprobe trampoline handler Masami Hiramatsu
2020-09-14 17:16   ` [tip: perf/kprobes] " tip-bot2 for Masami Hiramatsu
2020-08-29 13:00 ` [PATCH v5 02/21] x86/kprobes: Use " Masami Hiramatsu
2020-09-14 17:16   ` [tip: perf/kprobes] " tip-bot2 for Masami Hiramatsu
2020-08-29 13:00 ` [PATCH v5 03/21] arm: kprobes: " Masami Hiramatsu
2020-09-14 17:16   ` [tip: perf/kprobes] " tip-bot2 for Masami Hiramatsu
2020-08-29 13:00 ` [PATCH v5 04/21] arm64: " Masami Hiramatsu
2020-09-14 17:16   ` [tip: perf/kprobes] " tip-bot2 for Masami Hiramatsu
2020-08-29 13:00 ` [PATCH v5 05/21] arc: " Masami Hiramatsu
2020-09-14 17:16   ` [tip: perf/kprobes] " tip-bot2 for Masami Hiramatsu
2020-08-29 13:00 ` [PATCH v5 06/21] csky: " Masami Hiramatsu
2020-09-14 17:16   ` [tip: perf/kprobes] " tip-bot2 for Masami Hiramatsu
2020-08-29 13:01 ` [PATCH v5 07/21] ia64: " Masami Hiramatsu
2020-09-14 17:16   ` [tip: perf/kprobes] " tip-bot2 for Masami Hiramatsu
2020-08-29 13:01 ` [PATCH v5 08/21] mips: " Masami Hiramatsu
2020-09-14 17:16   ` [tip: perf/kprobes] " tip-bot2 for Masami Hiramatsu
2020-08-29 13:01 ` [PATCH v5 09/21] parisc: " Masami Hiramatsu
2020-09-14 17:16   ` [tip: perf/kprobes] " tip-bot2 for Masami Hiramatsu
2020-08-29 13:01 ` [PATCH v5 10/21] powerpc: " Masami Hiramatsu
2020-09-14 17:16   ` [tip: perf/kprobes] " tip-bot2 for Masami Hiramatsu
2020-08-29 13:02 ` [PATCH v5 11/21] s390: " Masami Hiramatsu
2020-09-14 17:16   ` [tip: perf/kprobes] " tip-bot2 for Masami Hiramatsu
2020-08-29 13:02 ` [PATCH v5 12/21] sh: " Masami Hiramatsu
2020-09-14 17:16   ` [tip: perf/kprobes] " tip-bot2 for Masami Hiramatsu
2020-08-29 13:02 ` [PATCH v5 13/21] sparc: " Masami Hiramatsu
2020-09-14 17:16   ` [tip: perf/kprobes] " tip-bot2 for Masami Hiramatsu
2020-08-29 13:02 ` [PATCH v5 14/21] kprobes: Remove NMI context check Masami Hiramatsu
2020-09-14 17:16   ` [tip: perf/kprobes] " tip-bot2 for Masami Hiramatsu
2020-10-31  1:38   ` [PATCH v5 14/21] " Steven Rostedt
2020-11-02  5:11     ` Masami Hiramatsu
2020-11-02  5:53       ` Masami Hiramatsu
2020-11-02  7:02         ` Masami Hiramatsu
2020-11-02 14:27           ` Steven Rostedt
2020-11-03  5:39             ` Masami Hiramatsu
2020-11-03 16:09               ` Steven Rostedt
2020-11-04  2:08                 ` Masami Hiramatsu
2020-11-04 14:47                   ` Steven Rostedt
2020-11-05  5:15                     ` Masami Hiramatsu
2020-08-29 13:02 ` [PATCH v5 15/21] kprobes: Free kretprobe_instance with rcu callback Masami Hiramatsu
2020-09-14 17:16   ` [tip: perf/kprobes] kprobes: Free kretprobe_instance with RCU callback tip-bot2 for Masami Hiramatsu
2020-08-29 13:03 ` [PATCH v5 16/21] kprobes: Make local used functions static Masami Hiramatsu
2020-09-14 17:16   ` [tip: perf/kprobes] kprobes: Make local " tip-bot2 for Masami Hiramatsu
2020-08-29 13:03 ` [PATCH v5 17/21] llist: Add nonatomic __llist_add() and __llist_dell_all() Masami Hiramatsu
2020-10-12 16:24   ` Ingo Molnar
2020-10-14  0:24     ` Masami Hiramatsu
2020-10-12 17:08   ` [tip: perf/kprobes] " tip-bot2 for Peter Zijlstra
2020-08-29 13:03 ` [PATCH v5 18/21] kprobes: Remove kretprobe hash Masami Hiramatsu
2020-10-12 17:08   ` [tip: perf/kprobes] " tip-bot2 for Peter Zijlstra
2020-08-29 13:03 ` [PATCH v5 19/21] asm-generic/atomic: Add try_cmpxchg() fallbacks Masami Hiramatsu
2020-10-12 16:25   ` Ingo Molnar
2020-10-12 17:08   ` [tip: perf/kprobes] " tip-bot2 for Peter Zijlstra
2020-08-29 13:03 ` [PATCH v5 20/21] freelist: Lock less freelist Masami Hiramatsu
2020-10-12 17:08   ` [tip: perf/kprobes] freelist: Implement lockless freelist tip-bot2 for Peter Zijlstra
2020-08-29 13:03 ` [PATCH v5 21/21] kprobes: Replace rp->free_instance with freelist Masami Hiramatsu
2020-10-12 17:08   ` [tip: perf/kprobes] " tip-bot2 for Peter Zijlstra
2020-09-01 19:08 ` [PATCH v5 00/21] kprobes: Unify kretprobe trampoline handlers and make kretprobe lockless Peter Zijlstra
2020-09-02  0:37   ` Masami Hiramatsu [this message]
2020-09-02  7:02     ` peterz
2020-09-02  8:17       ` Masami Hiramatsu
2020-09-02  9:36         ` peterz
2020-09-02 13:19           ` Masami Hiramatsu
2020-09-02 13:42             ` peterz
2020-09-03  1:39               ` Masami Hiramatsu
2020-09-03  2:02                 ` Masami Hiramatsu
2020-09-07 17:44                   ` Frank Ch. Eigler
2020-09-08  2:55                     ` Masami Hiramatsu
2020-09-08 10:37                 ` peterz
2020-09-08 11:15                   ` Eddy_Wu
2020-09-08 11:33                     ` peterz
2020-09-08 15:09                   ` Masami Hiramatsu
2020-09-09  5:28                     ` Masami Hiramatsu
2020-09-11  2:32       ` Masami Hiramatsu

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