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 X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A54E6C4646D for ; Mon, 13 Aug 2018 11:24:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6568921738 for ; Mon, 13 Aug 2018 11:24:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6568921738 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729801AbeHMOFr (ORCPT ); Mon, 13 Aug 2018 10:05:47 -0400 Received: from ozlabs.org ([203.11.71.1]:51935 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729461AbeHMOEy (ORCPT ); Mon, 13 Aug 2018 10:04:54 -0400 Received: by ozlabs.org (Postfix, from userid 1034) id 41ptd34Q5zz9sC7; Mon, 13 Aug 2018 21:23:03 +1000 (AEST) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 550ddadcc7580ec2a6c22d4ed04291bc6e2428fb In-Reply-To: <20180430145558.4308-14-npiggin@gmail.com> To: Nicholas Piggin , linuxppc-dev@lists.ozlabs.org From: Michael Ellerman Cc: Jiri Slaby , linux-kernel@vger.kernel.org, Nicholas Piggin , Greg Kroah-Hartman Subject: Re: [13/15] tty: hvc: hvc_write may sleep Message-Id: <41ptd34Q5zz9sC7@ozlabs.org> Date: Mon, 13 Aug 2018 21:23:03 +1000 (AEST) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2018-04-30 at 14:55:56 UTC, Nicholas Piggin wrote: > Rework the hvc_write loop to drop and re-take the spinlock on each > iteration, add a cond_resched. Don't bother with an initial hvc_push > initially, which makes the logic simpler -- just do a hvc_push on > each time around the loop. > > Signed-off-by: Nicholas Piggin Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/550ddadcc7580ec2a6c22d4ed04291 cheers