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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 C46A5C432C0 for ; Fri, 22 Nov 2019 11:00:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9C8202075B for ; Fri, 22 Nov 2019 11:00:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574420413; bh=TXAeVPZQIlJLpRPoHXA1jv03E1+kjV0v9WTqAsq50W8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=c83Z3QkfX5sVhBaLO4lsNTEd+HOcooSelJenxxt8kxNgwxYjXN4m2ah6hG7dOYJaA dh8nrdfK7j5F9GpLhUkOEPoUkyoWQsGMQkH2TBEBHjDkZ2S4bc6hkLpScB6SHc15Nu KpgblRQs9EkSCYnoDdMu2BtwqEEc2Q/JbWfNOfwI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731010AbfKVLAM (ORCPT ); Fri, 22 Nov 2019 06:00:12 -0500 Received: from mail.kernel.org ([198.145.29.99]:52040 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730215AbfKVLAK (ORCPT ); Fri, 22 Nov 2019 06:00:10 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4651F207DD; Fri, 22 Nov 2019 11:00:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574420409; bh=TXAeVPZQIlJLpRPoHXA1jv03E1+kjV0v9WTqAsq50W8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fW+ZCwSALVr4NCSRVg2vJPPqaJCXw2qzhHgRwvbihUAXE/TvZBAdtHqv1c2wfKadp FVMDiWXLOpWAjX9dsHpcjBZBP/MPTOtJHYSLMu5exgBckRMRs2G5aokU3SMQPoLcC0 r0JJfN6JEv9rclwLIiAGxD+g45u+msAQMkVkUJRo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Nicholas Piggin , Michael Ellerman , Sasha Levin Subject: [PATCH 4.19 097/220] powerpc/64s/radix: Explicitly flush ERAT with local LPID invalidation Date: Fri, 22 Nov 2019 11:27:42 +0100 Message-Id: <20191122100919.703593369@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191122100912.732983531@linuxfoundation.org> References: <20191122100912.732983531@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nicholas Piggin [ Upstream commit 053c5a753e951c5dd1729af2cf4d8107f2e6e09b ] Local radix TLB flush operations that operate on congruence classes have explicit ERAT flushes for POWER9. The process scoped LPID flush did not have a flush, so add it. Signed-off-by: Nicholas Piggin Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman Signed-off-by: Sasha Levin --- arch/powerpc/mm/tlb-radix.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c index 62be0e5732b70..796ff5de26d09 100644 --- a/arch/powerpc/mm/tlb-radix.c +++ b/arch/powerpc/mm/tlb-radix.c @@ -429,6 +429,7 @@ static inline void _tlbiel_lpid_guest(unsigned long lpid, unsigned long ric) __tlbiel_lpid_guest(lpid, set, RIC_FLUSH_TLB); asm volatile("ptesync": : :"memory"); + asm volatile(PPC_INVALIDATE_ERAT : : :"memory"); } -- 2.20.1