From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 410b7p0dcdzF1my for ; Wed, 6 Jun 2018 01:19:34 +1000 (AEST) In-Reply-To: <20180604083338.2661-1-mpe@ellerman.id.au> To: Michael Ellerman , linuxppc-dev@ozlabs.org From: Michael Ellerman Subject: Re: powerpc/powernv: copy/paste - Mask SO bit in CR Message-Id: <410b7n49N9z9s55@ozlabs.org> Date: Wed, 6 Jun 2018 01:19:33 +1000 (AEST) List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 2018-06-04 at 08:33:38 UTC, Michael Ellerman wrote: > NX can set the 3rd bit in CR register for XER[SO] (Summary overflow) > which is not related to paste request. The current paste function > returns failure for a successful request when this bit is set. So mask > this bit and check the proper return status. > > Fixes: 2392c8c8c045 ("powerpc/powernv/vas: Define copy/paste interfaces") > Cc: stable@vger.kernel.org # v4.14+ > Signed-off-by: Haren Myneni > Signed-off-by: Michael Ellerman Applied to powerpc next. https://git.kernel.org/powerpc/c/75743649064ec0cf5ddd69f240ef23 cheers