From patchwork Mon Dec 21 00:53:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxun Yang X-Patchwork-Id: 11984061 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 49D15C433E0 for ; Mon, 21 Dec 2020 00:56:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1C936221EC for ; Mon, 21 Dec 2020 00:56:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726678AbgLUAzr (ORCPT ); Sun, 20 Dec 2020 19:55:47 -0500 Received: from new2-smtp.messagingengine.com ([66.111.4.224]:45755 "EHLO new2-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726523AbgLUAzr (ORCPT ); Sun, 20 Dec 2020 19:55:47 -0500 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailnew.nyi.internal (Postfix) with ESMTP id 702CA580428; Sun, 20 Dec 2020 19:54:39 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute3.internal (MEProxy); Sun, 20 Dec 2020 19:54:39 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=flygoat.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm1; bh=9UYdNJjXn4om7 2WGzYzSS6tZtwVGabGeZphyZWQCWjs=; b=rn1ggbbJN37cNfK/YCKEM5yFWhFib GuoqhQiq1QPZzYVOj+qLbnx1WHrhxxHlaOj4Q76NvHCT3R2MwkLe73mqtLXAkMDO 6kk6ncZprILgAeTEwMzaU+LREJF0ugJxjtuBESQ6wzX3NUBhpSUWV5bf8gL1XCRB n9OicS7dx8rX7Nzi2GG0vxG8Flq0M5KxfDiiSQRNEa98QsKdYFx+K9uuO0pNKXZg pmH0s0tJBZXQ6Yh4Wd0Trru5zuczr7Sz/+fGvqvSCGyZqR2s4EwmfOUJQ0MuaQS2 +9CAAZB6j7+LleYGo4IOrG40vZqGVc2WXmOVT/IuMVBtlzcC9sRWJoD3g== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm1; bh=9UYdNJjXn4om72WGzYzSS6tZtwVGabGeZphyZWQCWjs=; b=Qck8JKGW KjvkXlimw4lkc5XfEauZhw9xUMeZ1Tcee5fP9ihndLqNH+luWEKcUzAAiiUeaGke /WEwXcxJjdgD5IuOL5eQhumFLZbHwxZX7pciwGYTZInt2fZ70B1/IWMwvUf8q5GM Wb/6fp/8xRNHyFth9X8blmsg8d0phiGuHQzcvtZZUgUuqKQ57RYTsE4qk8uh8IfV MfHSL6iJbquJb7FZjMjpfkrz58rK5vQz2EJwveCbtVLbSAaQ3tZlsDKue7fg1eDM 7Ca09szp9L6O5a3llDMylhR5xTYccu0vCApW5gIQoW+ZgGs8Od8FT3qafpyJWMq+ K35ZTmE75NH8lQ== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedrvddtuddgvdelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpeflihgrgihu nhcujggrnhhguceojhhirgiguhhnrdihrghnghesfhhlhihgohgrthdrtghomheqnecugg ftrfgrthhtvghrnheptdevhedvfeelgefhueevffejueffteffkefhveeiudejieeivedu vdeitdehffejnecuffhomhgrihhnpehophgvnhhgrhhouhhprdhorhhgnecukfhppeeghe drfeefrdehtddrvdehgeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgr ihhlfhhrohhmpehjihgrgihunhdrhigrnhhgsehflhihghhorghtrdgtohhm X-ME-Proxy: Received: from strike.U-LINK.com (li1000-254.members.linode.com [45.33.50.254]) by mail.messagingengine.com (Postfix) with ESMTPA id AC5C4240057; Sun, 20 Dec 2020 19:54:29 -0500 (EST) From: Jiaxun Yang To: qemu-devel@nongnu.org Cc: Jiaxun Yang , Thomas Huth , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , =?utf-8?q?Alex?= =?utf-8?q?_Benn=C3=A9e?= , Wainer dos Santos Moschetta , Paolo Bonzini , Viktor Prutyanov , Kevin Wolf , Max Reitz , Fam Zheng , Laurent Vivier , David Gibson , Greg Kurz , Alistair Francis , kvm@vger.kernel.org, qemu-block@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH 7/9] accel/kvm: avoid using predefined PAGE_SIZE Date: Mon, 21 Dec 2020 08:53:16 +0800 Message-Id: <20201221005318.11866-8-jiaxun.yang@flygoat.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201221005318.11866-1-jiaxun.yang@flygoat.com> References: <20201221005318.11866-1-jiaxun.yang@flygoat.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org As per POSIX specification of limits.h [1], OS libc may define PAGE_SIZE in limits.h. To prevent collosion of definition, we discard PAGE_SIZE from defined by libc and take QEMU's variable. [1]: https://pubs.opengroup.org/onlinepubs/7908799/xsh/limits.h.html Signed-off-by: Jiaxun Yang --- accel/kvm/kvm-all.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 389eaace72..3feb17d965 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -58,6 +58,9 @@ /* KVM uses PAGE_SIZE in its definition of KVM_COALESCED_MMIO_MAX. We * need to use the real host PAGE_SIZE, as that's what KVM will use. */ +#ifdef PAGE_SIZE +#undef PAGE_SIZE +#endif #define PAGE_SIZE qemu_real_host_page_size //#define DEBUG_KVM