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From: Masami Hiramatsu (Google) <mhiramat@kernel.org>
To: Andrii Nakryiko <andrii@kernel.org>
Cc: linux-trace-kernel@vger.kernel.org, rostedt@goodmis.org,
	oleg@redhat.com, peterz@infradead.org, mingo@redhat.com,
	bpf@vger.kernel.org, jolsa@kernel.org, paulmck@kernel.org,
	clm@meta.com
Subject: Re: [PATCH 06/12] uprobes: add batch uprobe register/unregister APIs
Date: Thu, 27 Jun 2024 22:04:49 +0900	[thread overview]
Message-ID: <20240627220449.0d2a12e24731e4764540f8aa@kernel.org> (raw)
In-Reply-To: <20240625002144.3485799-7-andrii@kernel.org>

On Mon, 24 Jun 2024 17:21:38 -0700
Andrii Nakryiko <andrii@kernel.org> wrote:

> -static int __uprobe_register(struct inode *inode, loff_t offset,
> -			     loff_t ref_ctr_offset, struct uprobe_consumer *uc)
> +int uprobe_register_batch(struct inode *inode, int cnt,
> +			  uprobe_consumer_fn get_uprobe_consumer, void *ctx)

Is this interface just for avoiding memory allocation? Can't we just
allocate a temporary array of *uprobe_consumer instead? 

Thank you,

-- 
Masami Hiramatsu (Google) <mhiramat@kernel.org>

  parent reply	other threads:[~2024-06-27 13:04 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-25  0:21 [PATCH 00/12] uprobes: add batched register/unregister APIs and per-CPU RW semaphore Andrii Nakryiko
2024-06-25  0:21 ` [PATCH 01/12] uprobes: update outdated comment Andrii Nakryiko
2024-06-25  0:21 ` [PATCH 02/12] uprobes: grab write mmap lock in unapply_uprobe() Andrii Nakryiko
2024-06-25  1:29   ` Masami Hiramatsu
2024-06-25 14:49     ` Oleg Nesterov
2024-06-25 17:37       ` Andrii Nakryiko
2024-06-25 19:07         ` Oleg Nesterov
2024-06-26 16:38           ` Andrii Nakryiko
2024-06-25 10:50   ` Oleg Nesterov
2024-06-25  0:21 ` [PATCH 03/12] uprobes: simplify error handling for alloc_uprobe() Andrii Nakryiko
2024-06-25  0:21 ` [PATCH 04/12] uprobes: revamp uprobe refcounting and lifetime management Andrii Nakryiko
2024-06-25 14:44   ` Oleg Nesterov
2024-06-25 17:30     ` Andrii Nakryiko
2024-06-26  6:02   ` kernel test robot
2024-06-26 16:39     ` Andrii Nakryiko
2024-06-27  2:29   ` Masami Hiramatsu
2024-06-27 16:43     ` Andrii Nakryiko
2024-07-01 21:59       ` Andrii Nakryiko
2024-06-25  0:21 ` [PATCH 05/12] uprobes: move offset and ref_ctr_offset into uprobe_consumer Andrii Nakryiko
2024-06-27  3:06   ` Masami Hiramatsu
2024-06-25  0:21 ` [PATCH 06/12] uprobes: add batch uprobe register/unregister APIs Andrii Nakryiko
2024-06-26 11:27   ` Jiri Olsa
2024-06-26 16:44     ` Andrii Nakryiko
2024-06-27 13:04   ` Masami Hiramatsu [this message]
2024-06-27 16:47     ` Andrii Nakryiko
2024-06-28  6:28       ` Masami Hiramatsu
2024-06-28 16:34         ` Andrii Nakryiko
2024-06-29 23:30           ` Masami Hiramatsu
2024-07-01 17:55             ` Andrii Nakryiko
2024-07-01 22:15               ` Andrii Nakryiko
2024-07-02  1:01                 ` Masami Hiramatsu
2024-07-02  1:34                   ` Andrii Nakryiko
2024-07-02 15:19                     ` Masami Hiramatsu
2024-07-02 16:53                       ` Steven Rostedt
2024-07-02 21:23                         ` Andrii Nakryiko
2024-07-02 23:16                         ` Masami Hiramatsu
2024-06-25  0:21 ` [PATCH 07/12] uprobes: inline alloc_uprobe() logic into __uprobe_register() Andrii Nakryiko
2024-06-25  0:21 ` [PATCH 08/12] uprobes: split uprobe allocation and uprobes_tree insertion steps Andrii Nakryiko
2024-06-25  0:21 ` [PATCH 09/12] uprobes: batch uprobes_treelock during registration Andrii Nakryiko
2024-06-25  0:21 ` [PATCH 10/12] uprobes: improve lock batching for uprobe_unregister_batch Andrii Nakryiko
2024-06-25  0:21 ` [PATCH 11/12] uprobes,bpf: switch to batch uprobe APIs for BPF multi-uprobes Andrii Nakryiko
2024-06-25  0:21 ` [PATCH 12/12] uprobes: switch uprobes_treelock to per-CPU RW semaphore Andrii Nakryiko

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