From: Cameron <cameron@moodycamel.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>,
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, oleg@redhat.com, will@kernel.org,
paulmck@kernel.org
Subject: Re: [RFC][PATCH 7/7] kprobes: Replace rp->free_instance with freelist
Date: Fri, 28 Aug 2020 22:31:17 -0400 [thread overview]
Message-ID: <CAFCw3dqDwP-RM20M7Uv=RS7aBHe=DLr3akhDY_XM8W0foiAEeQ@mail.gmail.com> (raw)
In-Reply-To: <CAFCw3dqhd35mdFE_SjUYtLrxNUYwdO-iFAonZ1OXu9CGBsyGrw@mail.gmail.com>
On Fri, Aug 28, 2020 at 10:29 PM Cameron <cameron@moodycamel.com> wrote:
> I thought about this some more, and actually, it should be safe.
Although I should note that it's important that the flags/refcount are
not overwritten
even after the node is taken off the freelist.
Cameron
next prev parent reply other threads:[~2020-08-29 2:31 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-27 16:12 [RFC][PATCH 0/7] kprobes: Make kretprobes lockless Peter Zijlstra
2020-08-27 16:12 ` [RFC][PATCH 1/7] llist: Add nonatomic __llist_add() Peter Zijlstra
2020-08-27 16:12 ` [RFC][PATCH 2/7] sched: Fix try_invoke_on_locked_down_task() semantics Peter Zijlstra
2020-08-27 16:12 ` [RFC][PATCH 3/7] kprobes: Remove kretprobe hash Peter Zijlstra
2020-08-27 18:00 ` Masami Hiramatsu
2020-08-28 8:44 ` peterz
2020-08-28 9:07 ` Masami Hiramatsu
2020-08-28 4:44 ` Masami Hiramatsu
2020-08-28 13:11 ` Eddy_Wu
2020-08-28 13:38 ` peterz
2020-08-28 13:51 ` Masami Hiramatsu
2020-08-28 13:58 ` peterz
2020-08-28 14:19 ` Masami Hiramatsu
2020-08-28 14:11 ` Eddy_Wu
2020-08-28 14:19 ` peterz
2020-08-28 14:41 ` Masami Hiramatsu
2020-08-28 14:49 ` Masami Hiramatsu
2020-08-27 16:12 ` [RFC][PATCH 4/7] kprobe: Dont kfree() from breakpoint context Peter Zijlstra
2020-08-27 16:12 ` [RFC][PATCH 5/7] asm-generic/atomic: Add try_cmpxchg() fallbacks Peter Zijlstra
2020-08-27 16:12 ` [RFC][PATCH 6/7] freelist: Lock less freelist Peter Zijlstra
2020-08-27 16:37 ` peterz
[not found] ` <CAFCw3doX6KK5DwpG_OB331Mdw8uYeVqn8YPTjKh_a-m7ZB9+3A@mail.gmail.com>
2020-08-27 16:56 ` peterz
2020-08-27 17:00 ` Cameron
2020-08-27 19:08 ` Boqun Feng
2020-08-27 19:57 ` Cameron
2020-08-28 1:34 ` Boqun Feng
2020-08-28 4:03 ` Lai Jiangshan
2020-08-28 14:46 ` Oleg Nesterov
2020-08-28 15:29 ` peterz
2020-08-29 3:05 ` Cameron
2020-08-27 16:12 ` [RFC][PATCH 7/7] kprobes: Replace rp->free_instance with freelist Peter Zijlstra
2020-08-28 8:48 ` peterz
2020-08-28 9:13 ` Masami Hiramatsu
2020-08-28 9:18 ` peterz
2020-08-28 10:44 ` Masami Hiramatsu
2020-08-29 2:29 ` Cameron
2020-08-29 2:31 ` Cameron [this message]
2020-08-29 9:15 ` Masami Hiramatsu
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