From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 DC45823ED5E for ; Wed, 8 Oct 2025 12:31:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759926706; cv=none; b=NUtTno+edKE+oQfRVUAsSUmVVaJ0bBJZ+KaHap/Suo2hp6rZBGuJve9u4xzr58mi4wT/zokrAyqw0QoqG2nnCFHCFar/GPXqyAeOHRS7SfG/ypaQWmXxiHP2UGtAFRd82w40wcXWu5hx+/iF3vgpTVHA6LmEbm3EMLrt2NGkAAM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759926706; c=relaxed/simple; bh=bEgUHXoa1WYuuLNIfLs48QBGJsE8OY0lu57FvjnM+RU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=WfvhU/8dULrJhwfQ4gfI1gkQjn0cdxX5ahWbRPH20BlgqoRyqNFufYFiFMbIMh1ne5ry6IhSq7t3P8aMTa3bvw+ruCuR8EXROMHffQupMcy5gsY8Gt7/al5X19iAE/uGUfTGfvzVDtFcHaHUiPIuRbXkh9Q5SkkDKRBrs/qJzyw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=YKcoskn3; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="YKcoskn3" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1759926703; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=zkeBMAKL7xNpbsdS6OFeoBOsIrdHtmtb3LVYivTTxAk=; b=YKcoskn3uwSXMFKlPMITaDCEQAI5poZnuLsrqJJdHSThFfkrFmMiZHse5vyau5ruyvg332 Tu77VeKad+TkkyDc2IF//6wnnso04pstXNJL4+GBt2pHDmmt9zB1JYcegVgU3J3BcekV5M 32Rm59k/pf543/FfWPNHLgsdWN/8LqA= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-119-CblNqUHIM1aAz0hM5Jg4WQ-1; Wed, 08 Oct 2025 08:31:42 -0400 X-MC-Unique: CblNqUHIM1aAz0hM5Jg4WQ-1 X-Mimecast-MFC-AGG-ID: CblNqUHIM1aAz0hM5Jg4WQ_1759926701 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id BA8F218002C3; Wed, 8 Oct 2025 12:31:40 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.45.227.6]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with SMTP id B4E6C1800452; Wed, 8 Oct 2025 12:31:36 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Wed, 8 Oct 2025 14:30:20 +0200 (CEST) Date: Wed, 8 Oct 2025 14:30:14 +0200 From: Oleg Nesterov To: Alexander Viro , Boqun Feng , David Howells , Ingo Molnar , Li RongQing , Linus Torvalds , Peter Zijlstra , Waiman Long , Will Deacon Cc: linux-kernel@vger.kernel.org Subject: [PATCH v2 0/4] seqlock: introduce scoped_seqlock_read() and scoped_seqlock_read_irqsave() Message-ID: <20251008123014.GA20413@redhat.com> References: <20250928161953.GA3112@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250928161953.GA3112@redhat.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Only 1/4 was changed according to comments from Linus and Waiman, but let me resend 2-4 as well. Oleg. fs/proc/array.c | 9 ++----- fs/proc/base.c | 10 ++------ include/linux/seqlock.h | 64 +++++++++++++++++++++++++++++++++++++++++++++++++ kernel/sched/cputime.c | 15 +++--------- 4 files changed, 71 insertions(+), 27 deletions(-)