From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1B49CC79F80 for ; Fri, 4 Sep 2026 09:35:23 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4hbrt14Z0Gz2yr2; Fri, 04 Sep 2026 19:35:21 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=pass smtp.remote-ip=85.215.255.80 arc.chain=strato.com ARC-Seal: i=2; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1788514521; cv=pass; b=Bgr4n+9vV+vMe0y4wDXQr5vjBHfasbcGJycrYQ6Almf8PPcpeKy6iclCPAbR1f8kQyJNlfOQ492+3Iz5F/IcQP3E27jBndfJWawtl8SgLXl/mMZi3tzh70WrVy54R+q4SBwzqyALKpGPX1BuyaBwlBpVwuBZGF990sPthUnGyWvgKaSsb/o+7KUkQQK5tZ/NdS4rhiYuZaExnDMfhjncfnK3Hl+4/+2w+KKbDXTiSdVyOao5oBmcXRl9VHPfoyUCnmkAgd6/OnJj1vK4qBXgAEFwHlmX5tsgFNEWuAxnKtrRRtPV2gmGDPdiKaSBxYrIqvmB9/8ACLn1jyZgK4NrOA== ARC-Message-Signature: i=2; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1788514521; c=relaxed/relaxed; bh=EiDPjcBnm/FrJdlo+ABtXJZ6TIb5cAbzdVR8GzrsJ7A=; h=Content-Type:From:Mime-Version:Subject:Date:Message-Id:References: Cc:In-Reply-To:To; b=T0jDmBmu0q28UfNG1ONdq+ud2RCn7qrnWDfOifPimlYkZI2i8W3bGYIo5R5D+/c1VVww/iTBy4u7kVXPOgS/vihB8zkjHzmO9IFtDVU1S+DR3lOXQo7DDIduuEEH/dSFqZHX7fTT1h01FkMxywJtu6X6T2kI1U4P4o9HDiJJYYWbfi6HjJdnU0RSpIK1EZt+yW5+2L/sIYyH0I/Jj67UBNhJpVCfgMSoOLJ+CGMtMDQCR8bonQZBuGgvsFJZ1QcC5k/R/uQHI57gBM66LqTsW5gaIc+EU2O6SndraqSTTO4M/6OY+BKMbG2KvXq4uYliQWJuCaKfoVCO7PnMGhguXg== ARC-Authentication-Results: i=2; lists.ozlabs.org; dmarc=pass (p=reject dis=none) header.from=xenosoft.de; dkim=pass (2048-bit key; unprotected) header.d=xenosoft.de header.i=@xenosoft.de header.a=rsa-sha256 header.s=strato-dkim-0002 header.b=HpCi1rVr; dkim=pass header.d=xenosoft.de header.i=@xenosoft.de header.a=ed25519-sha256 header.s=strato-dkim-0003 header.b=9N2RCOg+; dkim-atps=neutral; spf=pass (client-ip=85.215.255.80; helo=mo4-p02-ob.smtp.rzone.de; envelope-from=chzigotzky@xenosoft.de; receiver=lists.ozlabs.org) smtp.helo=mo4-p02-ob.smtp.rzone.de Authentication-Results: lists.ozlabs.org; dmarc=pass (p=reject dis=none) header.from=xenosoft.de Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=xenosoft.de header.i=@xenosoft.de header.a=rsa-sha256 header.s=strato-dkim-0002 header.b=HpCi1rVr; dkim=pass header.d=xenosoft.de header.i=@xenosoft.de header.a=ed25519-sha256 header.s=strato-dkim-0003 header.b=9N2RCOg+; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.helo=mo4-p02-ob.smtp.rzone.de (client-ip=85.215.255.80; helo=mo4-p02-ob.smtp.rzone.de; envelope-from=chzigotzky@xenosoft.de; receiver=lists.ozlabs.org) Received: from mo4-p02-ob.smtp.rzone.de (mo4-p02-ob.smtp.rzone.de [85.215.255.80]) (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 lists.ozlabs.org (Postfix) with ESMTPS id 4hbrsx5cjBz2xfB for ; Fri, 04 Sep 2026 19:35:15 +1000 (AEST) ARC-Seal: i=1; a=rsa-sha256; t=1788514508; cv=none; d=strato.com; s=strato-dkim-0002; b=O6PuBSbXTKy4vi5CDwWDjauVRUCd6pTA/4RV3lrj8ggfM/WX/GHQ4JF4ZwTST97HzW T/Me1o3EXXBfYFwszHoee+xIG+82qKshrRxoBfQb106n6PHyc+eghjkDxJXoww7E+DDM ucDnx/VYYa0EpgEStWZ/yh5RyrzCh4hNRTrDTHxIKjqqx4cB3Md3FWqrt/ESMr9vJUoq Pk9YyS8Wg6SfF+HbgjbxaedpDbvMGgglHfvI2kAsIkTpolbr7i31nlbzB7tcjIoikjPn JBJdZOlUZCJTAoGgaSxZ2wrkKh6mDip+2MrQT7Sn6WLVuln2YMRMgJeNIKQ8AGYRvzII oftQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; t=1788514508; s=strato-dkim-0002; d=strato.com; h=To:In-Reply-To:Cc:References:Message-Id:Date:Subject:From:Cc:Date: From:Subject:Sender; bh=EiDPjcBnm/FrJdlo+ABtXJZ6TIb5cAbzdVR8GzrsJ7A=; b=pCC+qBCZSx8dJnqPVDwYpRBWpzFqYGicsWIQHRIO3KVF8qM73+2ZzOKHN75ayFsmNE jGUh1PA9XzlMIXaWfimSwZnNoOcFTyhiK3oO1+hu2R3LZBa51XlhwhdJ7foYJ4xX5zc7 Qoh78K6fAGRHp4NayK0mA2xCGhwlW+Rh4MwPoiVW+liGlmQMAdtO54UlSf4c5U52SWJy 4jWeiQcxb8EUiwDEot2veHEIx+0btYxMm6nSaIWkrg7ZHd4eX3Ta+bmyV4qj0v7X3k4H gaYShEJRtA00Vj5VdBuGrW4j2iBXphTVlkYRlbWzu9MTkQogtdXDOIojqRaGezrU8iUs XWmQ== ARC-Authentication-Results: i=1; strato.com; arc=none; dkim=none X-RZG-CLASS-ID: mo02 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1788514508; s=strato-dkim-0002; d=xenosoft.de; h=To:In-Reply-To:Cc:References:Message-Id:Date:Subject:From:Cc:Date: From:Subject:Sender; bh=EiDPjcBnm/FrJdlo+ABtXJZ6TIb5cAbzdVR8GzrsJ7A=; b=HpCi1rVrWB5UnEuRrv/MiZvnv3EPejqSnfTBOZw7sqYpw4+aeWKvODl9CaGdAUDp9d tcLbRiGcB65D53Kas8zvdQH2Pf7ogGZXcz1sqr/kEA22QkitSuSRSMpP9Hy+L5VSa0JA d8RwORBZNCJfTOChlvKbti8dGgVKqoSv2LzaxLfp0YEomhfoM5DqqteCUzkX6zssfpHs yOPEankSG580v18YEDsEWhvDL4p95c0VR2d+QIGhq64uSm6DnpNP0/LESVhfWtSo8Tbd oyn/lS2BqvHzCDR7is3JHKnK4cxssZiul+MX7iBOPbItCzAJOop7ug6e1PmeM/rkr3Od tAvQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; t=1788514508; s=strato-dkim-0003; d=xenosoft.de; h=To:In-Reply-To:Cc:References:Message-Id:Date:Subject:From:Cc:Date: From:Subject:Sender; bh=EiDPjcBnm/FrJdlo+ABtXJZ6TIb5cAbzdVR8GzrsJ7A=; b=9N2RCOg+OsuJ9tPdlkxdLh68OquOaszQ131sXBw+SF6G0NBbc5C62kqOTphw8ej3q6 moTDNxuGrML8qM0V5lBQ== X-RZG-AUTH: ":L2QefEenb+UdBJSdRCXu93KJ1bmSGnhMdmOod1DhGN0rBVhd9dFr6KxrfO5Oh7V7BZqwsy/CXnbxcSyMRGT1qrNiz7sLFQXRefpK" Received: from smtpclient.apple by smtp.strato.de (RZmta 55.6.2 AUTH) with ESMTPSA id ee2bee2849Z85lw (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Fri, 4 Sep 2026 11:35:08 +0200 (CEST) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: Christian Zigotzky X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list Mime-Version: 1.0 (1.0) Subject: Re: [Linux PPC] Disable PREEMPT Date: Fri, 4 Sep 2026 11:34:57 +0200 Message-Id: <0B5355D7-4FE4-4B16-8ADE-CBB05A1D6C16@xenosoft.de> References: Cc: =?utf-8?Q?Michal_Such=C3=A1nek?= , Christophe Leroy , linuxppc-dev , kvm-ppc@vger.kernel.org, Madhavan Srinivasan , Peter Zijlstra , "R.T.Dickinson" , hypexed@yahoo.com.au, mad skateman , Christian Zigotzky In-Reply-To: To: Shrikanth Hegde X-Mailer: iPhone Mail (23G83) > On 04 September 2026 at 11:24 Shrikanth Hegde wrot= e: >=20 > =EF=BB=BFcan you try with latest code? maybe 7.2? there is usage > of generic api to handle the work now which renders the patch shared long b= ack > which you tried irrelevant. Thanks. I will test the RC1 of kernel 7.3 with PREEMPT enabled. - Christian=