Message ID | 1509958663-18737-3-git-send-email-linuxram@us.ibm.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show
Return-Path: <linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org> X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3yVnHJ0x5fz9s5L for <patchwork-incoming@ozlabs.org>; Mon, 6 Nov 2017 20:26:04 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="U/pgwhVk"; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 3yVnHH6f65zDqlM for <patchwork-incoming@ozlabs.org>; Mon, 6 Nov 2017 20:26:03 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="U/pgwhVk"; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:400d:c0d::244; helo=mail-qt0-x244.google.com; envelope-from=ram.n.pai@gmail.com; receiver=<UNKNOWN>) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="U/pgwhVk"; dkim-atps=neutral Received: from mail-qt0-x244.google.com (mail-qt0-x244.google.com [IPv6:2607:f8b0:400d:c0d::244]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3yVmgS1bzkzDrJn for <linuxppc-dev@lists.ozlabs.org>; Mon, 6 Nov 2017 19:58:28 +1100 (AEDT) Received: by mail-qt0-x244.google.com with SMTP id 31so9992562qtz.9 for <linuxppc-dev@lists.ozlabs.org>; Mon, 06 Nov 2017 00:58:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=KGKRpDy3CY/+zy6RggtRDdK0V8VvjcMafH0bWxSKL64=; b=U/pgwhVk46h8j0x7bjl/O60X0zSRcaeU83w6rn4F9dl7PQk6FIAu/XP3kuNNQq/GAm dIvCL5pRs6Qx7G4oyxqdRDpeKZAvY4dpc4GEM52sTshV44vmPj7pSPOqtxMk3yJC5Fz2 L43bNWMbWi6enW2Z9JApH6/gbBd2QMzj/2LYzXi0MU2JIy9wIsH6uO5fSrKskssJhVsx hFnlEzt6Q6vA+ImCwbb9H+yO6ocgpYMqZHNXiMcAg15o8Y6fI5//e+IT9pBO4TLZMjFv a5Zg/S0Y1QmKcwwxptZ5Y+Ibnff4vNsL7lc2VEzIrS3CjMYv+dAnYIk401qhcWxPCXS9 m9pg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=KGKRpDy3CY/+zy6RggtRDdK0V8VvjcMafH0bWxSKL64=; b=fSE5RALMJDb7YYBCrP++2zDg3t/hdHR6O1bdBs2sEG5+bM1SNgkccT3t82FtwbomqC jDptNTx6WQdF31YGwAgSh2sMuut+5mV70A4kolqkmf1pPNHaclorfIuPJEawUkNF7jff EtBvBCZgt+MAfjN3YRiEX/eAqwr17BWCMcpDFsQSbd2bJopQiWy6TGM5xaxqNZM+FZcu bpMDKaDdkmJUeUu/yUoxA8q4zVfJpeMR/EuK65ox/GyiXZD667aFPnC3bMV/CgULSbVf QL7Vg+ceqaiN8d7uoRTdkLVdbrA7t/4WqHktuXFgKu+QVQJHyjo+9UE9cBqPfg328Pd/ qWNA== X-Gm-Message-State: AMCzsaVWfPKR846pFdlWBx2UJynuthUj0s/63Zc+mMfeFID1eVoWokGO gEJBXj4lxYiYv2BzIg0AuOA= X-Google-Smtp-Source: ABhQp+QMh7Kl0r3uISkCn6NXXs3h4dzBrxbZXaB+ZatlqZzntSopjMXbfh1vjIpCkqY5AT8ejzU3NQ== X-Received: by 10.200.6.136 with SMTP id f8mr22271886qth.265.1509958706167; Mon, 06 Nov 2017 00:58:26 -0800 (PST) Received: from localhost.localdomain (50-39-103-96.bvtn.or.frontiernet.net. [50.39.103.96]) by smtp.gmail.com with ESMTPSA id r26sm8001094qki.42.2017.11.06.00.58.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 06 Nov 2017 00:58:25 -0800 (PST) From: Ram Pai <linuxram@us.ibm.com> To: mpe@ellerman.id.au, mingo@redhat.com, akpm@linux-foundation.org, corbet@lwn.net, arnd@arndb.de Subject: [PATCH v9 02/51] mm, powerpc, x86: introduce an additional vma bit for powerpc pkey Date: Mon, 6 Nov 2017 00:56:54 -0800 Message-Id: <1509958663-18737-3-git-send-email-linuxram@us.ibm.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1509958663-18737-1-git-send-email-linuxram@us.ibm.com> References: <1509958663-18737-1-git-send-email-linuxram@us.ibm.com> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.24 Precedence: list List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev/> List-Post: <mailto:linuxppc-dev@lists.ozlabs.org> List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe> Cc: linux-arch@vger.kernel.org, ebiederm@xmission.com, linux-doc@vger.kernel.org, x86@kernel.org, dave.hansen@intel.com, linux-kernel@vger.kernel.org, linuxram@us.ibm.com, mhocko@kernel.org, linux-mm@kvack.org, paulus@samba.org, aneesh.kumar@linux.vnet.ibm.com, linux-kselftest@vger.kernel.org, bauerman@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, khandual@linux.vnet.ibm.com Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" <linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org> |
Series |
powerpc, mm: Memory Protection Keys
|
expand
|
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 677866e..fad19a0 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -683,6 +683,7 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma) [ilog2(VM_PKEY_BIT1)] = "", [ilog2(VM_PKEY_BIT2)] = "", [ilog2(VM_PKEY_BIT3)] = "", + [ilog2(VM_PKEY_BIT4)] = "", #endif /* CONFIG_ARCH_HAS_PKEYS */ }; size_t i; diff --git a/include/linux/mm.h b/include/linux/mm.h index 2c5ea48..f5330a9 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -221,9 +221,10 @@ extern int overcommit_kbytes_handler(struct ctl_table *, int, void __user *, #ifdef CONFIG_ARCH_HAS_PKEYS # define VM_PKEY_SHIFT VM_HIGH_ARCH_BIT_0 # define VM_PKEY_BIT0 VM_HIGH_ARCH_0 /* A protection key is a 4-bit value */ -# define VM_PKEY_BIT1 VM_HIGH_ARCH_1 +# define VM_PKEY_BIT1 VM_HIGH_ARCH_1 /* on x86 and 5-bit value on ppc64 */ # define VM_PKEY_BIT2 VM_HIGH_ARCH_2 # define VM_PKEY_BIT3 VM_HIGH_ARCH_3 +# define VM_PKEY_BIT4 VM_HIGH_ARCH_4 #endif /* CONFIG_ARCH_HAS_PKEYS */ #if defined(CONFIG_X86)