Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756838Ab0LRBAO (ORCPT ); Fri, 17 Dec 2010 20:00:14 -0500 Received: from gate.lvk.cs.msu.su ([158.250.17.1]:51382 "EHLO mail.lvk.cs.msu.su" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756381Ab0LRBAL (ORCPT ); Fri, 17 Dec 2010 20:00:11 -0500 X-Spam-ASN: Date: Sat, 18 Dec 2010 04:00:01 +0300 From: Alexander Gordeev To: Andrew Morton Cc: linux-kernel@vger.kernel.org, "Nikita V\. Youshchenko" , linuxpps@ml.enneenne.com, Rodolfo Giometti Subject: Re: [PATCHv6 00/16] pps: several fixes and improvements Message-ID: <20101218040001.7b4a1bc0@apollo.gnet> In-Reply-To: <20101217161938.9247e433.akpm@linux-foundation.org> References: <20101217161938.9247e433.akpm@linux-foundation.org> Organization: LVK X-Mailer: Claws Mail 3.7.6 (GTK+ 2.20.1; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA256; boundary="Sig_/XaqTwwJfnMAw4c9sh/hVt3l"; protocol="application/pgp-signature" X-AV-Checked: ClamAV using ClamSMTP Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1804 Lines: 46 --Sig_/XaqTwwJfnMAw4c9sh/hVt3l Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable =D0=92 Fri, 17 Dec 2010 16:19:38 -0800 Andrew Morton =D0=BF=D0=B8=D1=88=D0=B5=D1=82: > On Fri, 17 Dec 2010 22:54:24 +0300 > Alexander Gordeev wrote: >=20 > > There is one problem however: kernel consumer works bad (if enabled) > > when CONFIG_NO_HZ is enabled. The reason for this is commit > > a092ff0f90cae22b2ac8028ecd2c6f6c1a9e4601. Without it hardpps() is able > > to sync to 1us precision in about 10 seconds. With CONFIG_NO_HZ it is > > not syncing at all. This only affects patches 12-14, others are ok. >=20 > Is someone working on fixing all this? Not right now but it is planned. I can only ensure that users can never select CONFIG_NO_HZ and CONFIG_NTP_PPS at the same time. Is it ok? --=20 Alexander --Sig_/XaqTwwJfnMAw4c9sh/hVt3l Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQEcBAEBCAAGBQJNDAeRAAoJEElrwznyooJbBggIAJLNp6QCcdvQSICHk0lN7AC8 A0XijdFcRKI8X7+iZz4r4VheK8tx0CkS9d7nUNE/AkwNoo2pr5KSHhaVPtWzrAZ2 n0Gy7Bf1rh06C/E3LSn2xY2JU2e6FUjtxO3fEUVQRgEXFpN4WLPELsjfYnA2WuPZ b8D5PvCTspewbo+ws7Y7/QggpAhRi63ZckDVY9W6++QDJtxI+pGxBogxZ6f8nszd UuCLHo5/xZeb0rNJOZu0ke2Q1XnWg7NQVeiXNMhOwiTM31vWU6t99d0KsBM4+Tqh pgPlwEBxiWeP9INvLs55D6loBD+KHtFwN0DeuQ14l299mCFaFdIW88NW+SgmD1E= =xHQR -----END PGP SIGNATURE----- --Sig_/XaqTwwJfnMAw4c9sh/hVt3l-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/