From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0F4D7606A6C6 for ; Thu, 5 Nov 2026 19:58:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=tgM9Gqmk; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=R49qB2P0 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Date: Content-Transfer-Encoding:Content-Type:References:In-Reply-To:Cc:To:Subject: From:Message-ID:MIME-Version:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=VJM1TPMHTJ5mBUuyXhBiQ3F6ibJxzxb1q4lJPp3RzWY=; b=tgM9GqmkYyGPMUCMT5VD2QzD1V iy7JwC7HQwj0zWr+z8zBFHZiIb6mtQ0xrzNG/uzdSgaYq+TShSUTn5QNtCG+6HIan7BA2I1qLUdHZ XtPQSyH7h6tmizq7VqyKWjn8+ESyN4uYWzAyFMsBwEoQ9VZZbyj+PecjPzi18svh89KOpBre6dEOX qP9lVtcFi7Oek/iAr5ZhcDU8FTkDqjYZm49LJkZp2foT/BnczSNmgZ6/3r0yHA3lTDrT/TO6LKFyJ ZlCS/EntNCb9CB8g5HBEemdv3c3yt5na/5smkIuvUy/MeSSR5730vwTuSAUO8YKTOJcTcLIrsuiOF jMMite7g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xP3bo-0000000ATAA-34hG; Thu, 05 Nov 2026 19:58:52 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xP3b9-0000000ASlZ-3qzd for kexec@lists.infradead.org; Thu, 05 Nov 2026 19:58:14 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 5F13F602C3; Thu, 5 Nov 2026 19:58:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B19A41F008A4; Thu, 5 Nov 2026 19:58:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793908691; bh=VJM1TPMHTJ5mBUuyXhBiQ3F6ibJxzxb1q4lJPp3RzWY=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=R49qB2P0qXLUlPstwwn/cwYKqB7OFfz4cOrfsP1tHpUFMXL/az8OchsolUY+GEzN8 qPorB5vIYuDFFbNWXZE4dER721Q9iHKmNr9gTXfDYm5AJvXye0eCPOLB5v3lQH3wnt lPQrL8L7KfQOJJHq7nla/3TPNFRoqsbYIXYWjsoCrXCJKCIXzvkbiOVXSwuJWI0CoY O1TU2YPeucS7sioJZWTFApiz83C+NIGiwdWch89cqPQW8+W+41Rn/7BQvAoF14Rwa5 cS6JRLtxWDf46VmERQg3QZMBNyOybQruZCkAsYR0VLJVVC6hEyS2CEDKwXXOsQKShk bBlenIqZvFSoQ== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH RESEND v2 20/30] sched/psi: let procfs own the wait queue of the pressure files To: "Christian Brauner" Cc: "Linus Torvalds" , "Jann Horn" , "Josef Bacik" , "Chris Mason" , "Jeff Layton" , NeilBrown , "Eric Dumazet" , "Thomas Gleixner" , "Al Viro" , "Jonathan Corbet" , "Christoph Hellwig" , "Greg Kroah-Hartman" , "Joel Granados" , "Kees Cook" , "Jan Kara" , "Jan Kara" , linux-s390@vger.kernel.org, coreteam@netfilter.org, kexec@lists.infradead.org, linux-pci@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-usb@vger.kernel.org, samba-technical@lists.samba.org, linux-m68k@lists.linux-m68k.org, linux-serial@vger.kernel.org, "Takashi Iwai" , linux-ext4@vger.kernel.org, "Chuck Lever" , tytso@mit.edu, "Heiko Carstens" , "Vasily Gorbik" , "Alexander Gordeev" , "Christian Borntraeger" In-Reply-To: <20261104-work-procfs-fs-v2-20-319e0f9a8aae@kernel.org> References: <20261104-work-procfs-fs-v2-0-319e0f9a8aae@kernel.org> <20261104-work-procfs-fs-v2-20-319e0f9a8aae@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Thu, 05 Nov 2026 19:58:09 +0000 X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: sashiko-reviews@lists.linux.dev Sender: "kexec" X-Spam-Status: No, score=-10.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 X-Archived-By: > A trigger on one of the /proc/pressure files has a wait queue of its > own for its poller, the cgroup pressure files use the queue of their > kernfs node through kernfs_generic_poll() and kernfs_notify(). procfs > owns the queue of its pressure files now, so use it the same way: the > poll_wait() is procfs', and a trigger that fires wakes the pollers of > its file with proc_poll_notify(). Like for the cgroup files every > poller of the file is woken when any trigger on it fires, and each > reports the state of its own trigger. psi_trigger_poll() doesn't need > the file anymore. >=20 > Signed-off-by: Christian Brauner (Amutable) Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261104-work-procf= s-fs-v2-0-319e0f9a8aae@kernel.org?part=3D20