From patchwork Thu Sep 23 07:43:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 12512179 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=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,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 134E9C433EF for ; Thu, 23 Sep 2021 07:43:59 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A111261107 for ; Thu, 23 Sep 2021 07:43:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org A111261107 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 47F93940007; Thu, 23 Sep 2021 03:43:58 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4070D6B0072; Thu, 23 Sep 2021 03:43:58 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2F5DE940007; Thu, 23 Sep 2021 03:43:58 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0095.hostedemail.com [216.40.44.95]) by kanga.kvack.org (Postfix) with ESMTP id 217986B0071 for ; Thu, 23 Sep 2021 03:43:58 -0400 (EDT) Received: from smtpin09.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id CF3071801F2C2 for ; Thu, 23 Sep 2021 07:43:57 +0000 (UTC) X-FDA: 78618049314.09.92404ED Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf11.hostedemail.com (Postfix) with ESMTP id 901C4F0000B2 for ; Thu, 23 Sep 2021 07:43:57 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 9933660EC0; Thu, 23 Sep 2021 07:43:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632383036; bh=iWKfUnKlQ9cPEYiRCmYD11oUFDahtkWK+8zPXcxbHfw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=H1kaX42zyV3QIA+qDp4knzrt9WyS+qws3w1e8o4EW+yTnl/4fM57n5Dphy5IjQHJ1 6E+ppDgbmXTDPAKAQlraJB76u0SOF1v5mXkUUakV90s32cAhMAYyDsPNx4Sc1n4wvi W2oWhofnItmWkCPORqhQx9dfBnxoDuP3YwVe/8TymJVaQJp3MdfdmJm4lZw7qje1Mr 1e4A83pakvGWhdUmI+pTan/SrNA9KzDSPNoli0MAkH0aR0LyfCR5iZGE12ruwS9Z1D HQ9EitT9EFvxvF9zxe+XZQX3fVc+GHOu2xA+uaYHGpyeNsZPbdbM0oQVVJVjEdP4Km NSNLeM6nYHuFw== From: Mike Rapoport To: Linus Torvalds Cc: Andrew Morton , devicetree@vger.kernel.org, iommu@lists.linux-foundation.org, kasan-dev@googlegroups.com, kvm@vger.kernel.org, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-um@lists.infradead.org, linux-usb@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org, xen-devel@lists.xenproject.org, Mike Rapoport Subject: [PATCH 2/3] xen/x86: free_p2m_page: use memblock_free_ptr() to free a virtual pointer Date: Thu, 23 Sep 2021 10:43:34 +0300 Message-Id: <20210923074335.12583-3-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210923074335.12583-1-rppt@kernel.org> References: <20210923074335.12583-1-rppt@kernel.org> MIME-Version: 1.0 X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 901C4F0000B2 X-Stat-Signature: gh3bkj4o6dkcwa3jpxn3wuz4xqexmuww Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=H1kaX42z; spf=pass (imf11.hostedemail.com: domain of rppt@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=none) header.from=kernel.org X-HE-Tag: 1632383037-285364 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Mike Rapoport free_p2m_page() wrongly passes a virtual pointer to memblock_free() that treats it as a physical address. Call memblock_free_ptr() instead that gets a virtual address to free the memory. Signed-off-by: Mike Rapoport Reviewed-by: Juergen Gross --- arch/x86/xen/p2m.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index 5e6e236977c7..141bb9dbd2fb 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -197,7 +197,7 @@ static void * __ref alloc_p2m_page(void) static void __ref free_p2m_page(void *p) { if (unlikely(!slab_is_available())) { - memblock_free((unsigned long)p, PAGE_SIZE); + memblock_free_ptr(p, PAGE_SIZE); return; }