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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 866B3C43334 for ; Fri, 10 Jun 2022 23:39:45 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4LKcrJ0MCKz3drf for ; Sat, 11 Jun 2022 09:39:44 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=mTC8DNzY; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=intel.com (client-ip=134.134.136.65; helo=mga03.intel.com; envelope-from=ira.weiny@intel.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=mTC8DNzY; dkim-atps=neutral Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4LKcll27LMz3brd for ; Sat, 11 Jun 2022 09:35:47 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1654904147; x=1686440147; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=XfSsZjEZ1l0M6Je8ux0RlvZeHHKfZHKU8L8K8HX1yVc=; b=mTC8DNzY5u1c32ZR0NABeObfCmwIWV0+xodT3khVF5mVCmEQPn5heW00 bgSV1ltcfQUZbm8/+4iC9vYHv6lTiDaprt8YEv1sM7JSR0Dq5pj8ke7hJ 9v425XQoGPLX9dlNW6nxHJQ+wJ4aC6Vc9qc0oubnlW7ZsKXjon38b7n/B OcQSnCFkZc1l+bPfRd6EaF6GgVMMpLqKe57x3acQKPfVV9HrFZ2jxuo5b grHSfvi5xjQnwUkCfXFQ31E041NyZ6WNXvS0MPFp0P292lVE/ipv85NVF jM+NB7OxI9U72apCUPZXvB76XbOhJBiXjg3OkrcN6R5T0D+bUqFzPv9WV A==; X-IronPort-AV: E=McAfee;i="6400,9594,10374"; a="278909259" X-IronPort-AV: E=Sophos;i="5.91,291,1647327600"; d="scan'208";a="278909259" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jun 2022 16:35:41 -0700 X-IronPort-AV: E=Sophos;i="5.91,291,1647327600"; d="scan'208";a="760716868" Received: from pleung-mobl1.amr.corp.intel.com (HELO localhost) ([10.212.33.34]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jun 2022 16:35:41 -0700 From: ira.weiny@intel.com To: linux-api@vger.kernel.org Subject: [RFC PATCH 6/6] pkeys: Change mm_pkey_free() to void Date: Fri, 10 Jun 2022 16:35:33 -0700 Message-Id: <20220610233533.3649584-7-ira.weiny@intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220610233533.3649584-1-ira.weiny@intel.com> References: <20220610233533.3649584-1-ira.weiny@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: x86@kernel.org, "Aneesh Kumar K . V" , Dave Hansen , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, Sohil Mehta , Ira Weiny Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Ira Weiny Now that the pkey arch support is no longer checked in mm_pkey_free() there is no reason to have it return int. Change the return value to void. Cc: Dave Hansen Cc: Aneesh Kumar K.V Suggested-by: Sohil Mehta Signed-off-by: Ira Weiny --- arch/powerpc/include/asm/pkeys.h | 4 +--- arch/x86/include/asm/pkeys.h | 4 +--- include/linux/pkeys.h | 5 +---- mm/mprotect.c | 6 ++++-- 4 files changed, 7 insertions(+), 12 deletions(-) diff --git a/arch/powerpc/include/asm/pkeys.h b/arch/powerpc/include/asm/pkeys.h index e96aa91f817b..4d01a48ab941 100644 --- a/arch/powerpc/include/asm/pkeys.h +++ b/arch/powerpc/include/asm/pkeys.h @@ -105,11 +105,9 @@ static inline int mm_pkey_alloc(struct mm_struct *mm) return ret; } -static inline int mm_pkey_free(struct mm_struct *mm, int pkey) +static inline void mm_pkey_free(struct mm_struct *mm, int pkey) { __mm_pkey_free(mm, pkey); - - return 0; } /* diff --git a/arch/x86/include/asm/pkeys.h b/arch/x86/include/asm/pkeys.h index da02737cc4d1..1f408f46fa9a 100644 --- a/arch/x86/include/asm/pkeys.h +++ b/arch/x86/include/asm/pkeys.h @@ -105,11 +105,9 @@ int mm_pkey_alloc(struct mm_struct *mm) } static inline -int mm_pkey_free(struct mm_struct *mm, int pkey) +void mm_pkey_free(struct mm_struct *mm, int pkey) { mm_set_pkey_free(mm, pkey); - - return 0; } static inline int vma_pkey(struct vm_area_struct *vma) diff --git a/include/linux/pkeys.h b/include/linux/pkeys.h index 86be8bf27b41..bf98c50a3437 100644 --- a/include/linux/pkeys.h +++ b/include/linux/pkeys.h @@ -30,10 +30,7 @@ static inline int mm_pkey_alloc(struct mm_struct *mm) return -1; } -static inline int mm_pkey_free(struct mm_struct *mm, int pkey) -{ - return -EINVAL; -} +static inline void mm_pkey_free(struct mm_struct *mm, int pkey) { } static inline int arch_set_user_pkey_access(struct task_struct *tsk, int pkey, unsigned long init_val) diff --git a/mm/mprotect.c b/mm/mprotect.c index 41458e729c27..e872bdd2e228 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -809,8 +809,10 @@ SYSCALL_DEFINE1(pkey_free, int, pkey) return ret; mmap_write_lock(current->mm); - if (mm_pkey_is_allocated(current->mm, pkey)) - ret = mm_pkey_free(current->mm, pkey); + if (mm_pkey_is_allocated(current->mm, pkey)) { + mm_pkey_free(current->mm, pkey); + ret = 0; + } mmap_write_unlock(current->mm); /* -- 2.35.1