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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5CF0AC43219 for ; Fri, 4 Nov 2022 22:41:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230173AbiKDWle (ORCPT ); Fri, 4 Nov 2022 18:41:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47438 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230079AbiKDWkK (ORCPT ); Fri, 4 Nov 2022 18:40:10 -0400 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0823A3F050; Fri, 4 Nov 2022 15:39:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667601575; x=1699137575; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=LWmw5Lvcc9LBkkGN/WFq1NU3hxCK/DdQKZluTUtVie8=; b=dS+Ey/oEUopXZY4dxwQ5Zh97Bdd5NDwcNp0EgJJ4lmqBdavxXylEHI2Y xOferj+/qs81gs0vp//mChVYTwGPsXl/hu957cdpYv67r/i1a2b8DVGu0 ZIsOEbyJwCQQbngRzekQL2hgWEMmPaXBhFbF36iXRyAG5dm6BBF3mr74U lb8yO1PQyQ0806SxmhDD39iA3JL5ny6otLhEGTa65RRpLnrIQ40TJXE2d 7usKaQoftZpHuU4PJjiLVlJeC6jTn/Yv5HYGRsa3eBJ5gVTGAHqVqIZ6d KXDYWCKKyF04mhADaKkFNm7KE3MEBPGciK7GFBzDh4iZqxn2EYoqbpMGJ w==; X-IronPort-AV: E=McAfee;i="6500,9779,10521"; a="311840526" X-IronPort-AV: E=Sophos;i="5.96,138,1665471600"; d="scan'208";a="311840526" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Nov 2022 15:39:34 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10521"; a="668514039" X-IronPort-AV: E=Sophos;i="5.96,138,1665471600"; d="scan'208";a="668514039" Received: from adhjerms-mobl1.amr.corp.intel.com (HELO rpedgeco-desk.amr.corp.intel.com) ([10.212.227.68]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Nov 2022 15:39:33 -0700 From: Rick Edgecombe To: x86@kernel.org, "H . Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, Arnd Bergmann , Andy Lutomirski , Balbir Singh , Borislav Petkov , Cyrill Gorcunov , Dave Hansen , Eugene Syromiatnikov , Florian Weimer , "H . J . Lu" , Jann Horn , Jonathan Corbet , Kees Cook , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Peter Zijlstra , Randy Dunlap , "Ravi V . Shankar" , Weijiang Yang , "Kirill A . Shutemov" , John Allen , kcc@google.com, eranian@google.com, rppt@kernel.org, jamorris@linux.microsoft.com, dethoma@microsoft.com, akpm@linux-foundation.org Cc: rick.p.edgecombe@intel.com, Yu-cheng Yu , Peter Xu Subject: [PATCH v3 13/37] mm: Move VM_UFFD_MINOR_BIT from 37 to 38 Date: Fri, 4 Nov 2022 15:35:40 -0700 Message-Id: <20221104223604.29615-14-rick.p.edgecombe@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221104223604.29615-1-rick.p.edgecombe@intel.com> References: <20221104223604.29615-1-rick.p.edgecombe@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-api@vger.kernel.org From: Yu-cheng Yu To introduce VM_SHADOW_STACK as VM_HIGH_ARCH_BIT (37), and make all VM_HIGH_ARCH_BITs stay together, move VM_UFFD_MINOR_BIT from 37 to 38. Tested-by: Pengfei Xu Tested-by: John Allen Reviewed-by: Kees Cook Acked-by: Peter Xu Signed-off-by: Yu-cheng Yu Reviewed-by: Axel Rasmussen Signed-off-by: Rick Edgecombe Cc: Peter Xu Cc: Mike Kravetz --- include/linux/mm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 8bbcccbc5565..5314ad0a342d 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -365,7 +365,7 @@ extern unsigned int kobjsize(const void *objp); #endif #ifdef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR -# define VM_UFFD_MINOR_BIT 37 +# define VM_UFFD_MINOR_BIT 38 # define VM_UFFD_MINOR BIT(VM_UFFD_MINOR_BIT) /* UFFD minor faults */ #else /* !CONFIG_HAVE_ARCH_USERFAULTFD_MINOR */ # define VM_UFFD_MINOR VM_NONE -- 2.17.1