From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BDC49157A5A; Sat, 3 Oct 2026 08:01:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791014474; cv=none; b=fnstZcBmgOGXB0gCjsSWwVi2RBFPBcuCDi2KUWs4OFDKK+f8Da8ebTM2ZiRxbDY/oafv+lLmcU4Iq+RY1e5crIaS+HI9TmW2AcnCTzpBJ0ml379HJGkh0ML9ZfdJGRP3IRMgUqTNAM3oIENtj+hTXUVAgFbEpQgYsUAsHM+jfsA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791014474; c=relaxed/simple; bh=JhTK9S6r+Ur0kofVHn1n3yArjxoGbwZd8wK6MhXRzPI=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=HL5uc7e3xiNMAy4+LGAthSeaDadXtmAq7v3C+2VudsUKkiFuN6F0EIDkC/BuYcQQFEuzLzFeQQ317j4suY5+eYN6KEjrpGce9RMAmRYpqoVIHu5e5CxVGNJzItwgMtfdtKUckYobewaOlyJu0pqk+7fAOeLgTnATLsj6KwOj1d8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ahMMP8aL; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ahMMP8aL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 72BFC1F0089B; Sat, 3 Oct 2026 08:01:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791014471; bh=JhTK9S6r+Ur0kofVHn1n3yArjxoGbwZd8wK6MhXRzPI=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=ahMMP8aL9SVXJkkrodooaYdibTt0y3aIM9oURb+AS8Tp+g7YCBLD9jMKBTPT/Qslw gHilN5WrzbGtonEswk2icUz7R8FcBGP8uiWr+4voCQ3uHvf42uwCnUIF4HbtGL7FrA zw6EgatlRFomYUy5slpOrueaYdyqs0gxgbR6su3j2zJdbYuQtu4OLfwjNp7NGzLXGc 4ktCH0D0EidhQMKjJRZVYllLJU3OVkUc6KSu4iX5CqPiQPjG0PD55HBuweqJHjqjTV hl1e6oDfcW5ZWmWWLiv87M43+DFi3kTq5ZbHl3ask3fDX+wAMZYW9UCu0wmCO8ux16 ji148EEek0ZKw== From: sashiko-bot@kernel.org Subject: Re: [PATCH v19 03/11] perf/hw_breakpoint: Add register_wide_hw_breakpoint_cpuslocked() API Reply-To: sashiko-reviews@lists.linux.dev To: =?utf-8?b?TWFzYW1pIEhpcmFtYXRzdSAoR29vZ2xlKQ==?= Cc: linux-perf-users@vger.kernel.org, linux-trace-kernel@vger.kernel.org In-Reply-To: <179101396937.22872.545144610777427663.stgit@devnote2> References: <179101393469.22872.5895666191299551553.stgit@devnote2> <179101396937.22872.545144610777427663.stgit@devnote2> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Sat, 03 Oct 2026 08:01:11 +0000 Message-Id: <20261003080111.72BFC1F0089B@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > From: Masami Hiramatsu (Google) >=20 > Add register_wide_hw_breakpoint_cpuslocked() which registers a wide > hardware breakpoint across all online CPUs while caller holds > cpus_read_lock(). This allows callers who need to perform additional > setup under cpus_read_lock() without releasing it to avoid races with > CPU hotplug and without triggering recursive lockdep warnings. >=20 > Refactor register_wide_hw_breakpoint() as a wrapper around > register_wide_hw_breakpoint_cpuslocked(). >=20 > Assisted-by: LLM > Signed-off-by: Masami Hiramatsu (Google) Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/179101393469.22872.= 5895666191299551553.stgit@devnote2?part=3D3