From patchwork Mon Nov 6 08:57:16 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ram Pai X-Patchwork-Id: 834590 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3yVpSh0m8gz9s4s for ; Mon, 6 Nov 2017 21:19:16 +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="Olc/28X4"; 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 3yVpSg6brhzDrKt for ; Mon, 6 Nov 2017 21:19:15 +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="Olc/28X4"; 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:c09::241; helo=mail-qk0-x241.google.com; envelope-from=ram.n.pai@gmail.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="Olc/28X4"; dkim-atps=neutral Received: from mail-qk0-x241.google.com (mail-qk0-x241.google.com [IPv6:2607:f8b0:400d:c09::241]) (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 3yVmhd2FqtzDr6m for ; Mon, 6 Nov 2017 19:59:29 +1100 (AEDT) Received: by mail-qk0-x241.google.com with SMTP id n66so5418737qki.8 for ; Mon, 06 Nov 2017 00:59:29 -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=FZ7oGjpNo7wRIQAizuc+iri/hm7RchOUs62xRqtKqmA=; b=Olc/28X4wN6YREZsxIgiA9WqlCJ9kfEZ1BHRjIMXPus/k+AkjpUq7YsuTEt4uQZx0y ey2EyecUwN06rgIXn003ZbalU5dFgOlkdAMoo7CosCPAE9pe0ulFijy1XIGhCRo+ZHyT E8v0FMCXfgJ9MJok/m8Gt07objqXZH+kpqTcq42EO19yA1IoTdNA1fVdIvqiHyj9H6WB c8yWVWRovYXO1veP2peGR8WjpZmhZ7iA72DbaHenNqjDSVwy0qeAa8DJNqxkO9mEvhCq 3ojO6XybpHbLXMw+Xlc3gUEwSVVvnSo5YbQWBt3Udt5lcv2kRtygF4IpWOLNtKzZCHk/ gtxA== 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=FZ7oGjpNo7wRIQAizuc+iri/hm7RchOUs62xRqtKqmA=; b=LcACsHSWaBYTRNTF4aMfWZTEaWdK3EkPGq4T7LFYeaMdjj/htfCfwnLf0t/RGTpvoa QHIN6vCL2Ww5Y6ju/dHDFBbLe+a1zc8W78VEyWKH1JhV25G/3gLZr/nXJxfr2zzydhIV d5Q62tT1HiPl6kwwUar6xEWQW0Yphp7Md2ZJiRlELhB6zVPCSXYea+V3RTPBFUdJ7t9O N1amhcmdVe0r86qafIwVinMHm4mXptoGojS30+cLn4Rebi2a1W8ej6PSnsaIKPEQNcvC BSnYZeG9dcPUb0ThLNwlRlSMi+fBz84B3Gcwj2o7p9qhr4FwZvD/EPjA1TCXawmsdeCh kHOw== X-Gm-Message-State: AJaThX4HhpMP4TA4u6KWP/Mf9adtxvhygbFFI35r1qPVBJhV1Ni10NMR WPwtv4GQCsTsh9Y38EMCzCI= X-Google-Smtp-Source: ABhQp+QYWAkF2+pCD5qs7Zk8zsiFL8dZYNda46IvjiEj1DoF+dld5UjFoGoCQQofHEl6mlzx8x2qLw== X-Received: by 10.55.17.150 with SMTP id 22mr1737162qkr.208.1509958767192; Mon, 06 Nov 2017 00:59:27 -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.42.2017.11.06.00.59.24 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 06 Nov 2017 00:59:26 -0800 (PST) From: Ram Pai To: mpe@ellerman.id.au, mingo@redhat.com, akpm@linux-foundation.org, corbet@lwn.net, arnd@arndb.de Subject: [PATCH v9 24/51] powerpc: sys_pkey_alloc() and sys_pkey_free() system calls Date: Mon, 6 Nov 2017 00:57:16 -0800 Message-Id: <1509958663-18737-25-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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-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" Finally this patch provides the ability for a process to allocate and free a protection key. Signed-off-by: Ram Pai --- arch/powerpc/include/asm/systbl.h | 2 ++ arch/powerpc/include/asm/unistd.h | 4 +--- arch/powerpc/include/uapi/asm/unistd.h | 2 ++ 3 files changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index 449912f..dea4a95 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -389,3 +389,5 @@ COMPAT_SYS_SPU(pwritev2) SYSCALL(kexec_file_load) SYSCALL(statx) +SYSCALL(pkey_alloc) +SYSCALL(pkey_free) diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index 9ba11db..e0273bc 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -12,13 +12,11 @@ #include -#define NR_syscalls 384 +#define NR_syscalls 386 #define __NR__exit __NR_exit #define __IGNORE_pkey_mprotect -#define __IGNORE_pkey_alloc -#define __IGNORE_pkey_free #ifndef __ASSEMBLY__ diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h index df8684f..5db4385 100644 --- a/arch/powerpc/include/uapi/asm/unistd.h +++ b/arch/powerpc/include/uapi/asm/unistd.h @@ -395,5 +395,7 @@ #define __NR_pwritev2 381 #define __NR_kexec_file_load 382 #define __NR_statx 383 +#define __NR_pkey_alloc 384 +#define __NR_pkey_free 385 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */