Message ID | 20200914204441.486057928@linutronix.de (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=dUrX=CX=lists.freedesktop.org=intel-gfx-bounces@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 05FF71580 for <patchwork-intel-gfx@patchwork.kernel.org>; Mon, 14 Sep 2020 20:55:05 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D362B217BA for <patchwork-intel-gfx@patchwork.kernel.org>; Mon, 14 Sep 2020 20:55:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="4P8s5xX/"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="iux8epOC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D362B217BA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 492286E5AB; Mon, 14 Sep 2020 20:54:58 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org X-Greylist: delayed 588 seconds by postgrey-1.36 at gabe; Mon, 14 Sep 2020 20:54:55 UTC Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by gabe.freedesktop.org (Postfix) with ESMTPS id F37D06E5AE for <intel-gfx@lists.freedesktop.org>; Mon, 14 Sep 2020 20:54:55 +0000 (UTC) Message-Id: <20200914204441.486057928@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1600116310; 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: content-transfer-encoding:content-transfer-encoding: references:references; bh=JgtXFDXxZGfThbRDf0kz64PxO4briiyz9f7Eq57ONcE=; b=4P8s5xX/bAi2a+N+CIbhQrzcX7HvFJ7S6CNHYdIstAaonGR/+Dnp1rRjEv7pyPlLgNCFYx sFTsKc2IsAVS7kbywI0LEVkCa6iWPXHUhikvoBItTFVO86zjlB5Fn+D/mFFgSAQbIZQS53 00ZNDy4dfDU32t9qHFMauWVHXQtP0Qojy3xvBYG6atY0csq7zU4WIhUdO5c7N/c6aLPgTC Z464/mn2KP5p1MToHKTSzU6V5E1wKd/QmhgJgb7HxMSTZ+HFYru8UIB2rZH4RJycqwOVJD uGhpci7usAWJWI1a0nfucwZNnQUjJHBVkOYdQoqQaJQUx9zkmrQU6A8iuIY1nA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1600116310; 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: content-transfer-encoding:content-transfer-encoding: references:references; bh=JgtXFDXxZGfThbRDf0kz64PxO4briiyz9f7Eq57ONcE=; b=iux8epOCVyhcOltC05jMckhTC3+4PPkpXc+cvBTMuwrFHucsc14BLoy7aSSCwXQ7rqsNPn xvgdzAI0oBjN5YAA== Date: Mon, 14 Sep 2020 22:42:14 +0200 From: Thomas Gleixner <tglx@linutronix.de> To: LKML <linux-kernel@vger.kernel.org> References: <20200914204209.256266093@linutronix.de> MIME-Version: 1.0 Subject: [Intel-gfx] [patch 05/13] mm/pagemap: Clenaup PREEMPT_COUNT leftovers X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development <intel-gfx.lists.freedesktop.org> List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>, <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe> List-Archive: <https://lists.freedesktop.org/archives/intel-gfx> List-Post: <mailto:intel-gfx@lists.freedesktop.org> List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help> List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/intel-gfx>, <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe> Cc: Juri Lelli <juri.lelli@redhat.com>, Peter Zijlstra <peterz@infradead.org>, Sebastian Andrzej Siewior <bigeasy@linutronix.de>, Lai Jiangshan <jiangshanlai@gmail.com>, dri-devel@lists.freedesktop.org, Ben Segall <bsegall@google.com>, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-hexagon@vger.kernel.org, Will Deacon <will@kernel.org>, Ingo Molnar <mingo@kernel.org>, Anton Ivanov <anton.ivanov@cambridgegreys.com>, linux-arch@vger.kernel.org, Brian Cain <bcain@codeaurora.org>, Richard Weinberger <richard@nod.at>, Russell King <linux@armlinux.org.uk>, David Airlie <airlied@linux.ie>, Ingo Molnar <mingo@redhat.com>, Geert Uytterhoeven <geert@linux-m68k.org>, Mel Gorman <mgorman@suse.de>, intel-gfx@lists.freedesktop.org, Matt Turner <mattst88@gmail.com>, Valentin Schneider <valentin.schneider@arm.com>, linux-xtensa@linux-xtensa.org, Shuah Khan <shuah@kernel.org>, "Paul E. McKenney" <paulmck@kernel.org>, Jeff Dike <jdike@addtoit.com>, linux-um@lists.infradead.org, Josh Triplett <josh@joshtriplett.org>, Steven Rostedt <rostedt@goodmis.org>, rcu@vger.kernel.org, linux-m68k@lists.linux-m68k.org, Ivan Kokshaysky <ink@jurassic.park.msu.ru>, Dietmar Eggemann <dietmar.eggemann@arm.com>, linux-arm-kernel@lists.infradead.org, Richard Henderson <rth@twiddle.net>, Chris Zankel <chris@zankel.net>, Max Filippov <jcmvbkbc@gmail.com>, Linus Torvalds <torvalds@linuxfoundation.org>, linux-alpha@vger.kernel.org, Mathieu Desnoyers <mathieu.desnoyers@efficios.com>, Andrew Morton <akpm@linux-foundation.org>, Daniel Bristot de Oliveira <bristot@redhat.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org> |
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preempt: Make preempt count unconditional
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expand
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--- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -168,9 +168,7 @@ void release_pages(struct page **pages, static inline int __page_cache_add_speculative(struct page *page, int count) { #ifdef CONFIG_TINY_RCU -# ifdef CONFIG_PREEMPT_COUNT - VM_BUG_ON(!in_atomic() && !irqs_disabled()); -# endif + VM_BUG_ON(preemptible()) /* * Preempt must be disabled here - we rely on rcu_read_lock doing * this for us.
CONFIG_PREEMPT_COUNT is now unconditionally enabled and will be removed. Cleanup the leftovers before doing so. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mm@kvack.org --- include/linux/pagemap.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)