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 7AA67C433F5 for ; Tue, 30 Nov 2021 15:03:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245076AbhK3PGp (ORCPT ); Tue, 30 Nov 2021 10:06:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33182 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243976AbhK3O7n (ORCPT ); Tue, 30 Nov 2021 09:59:43 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EE834C07E5C5; Tue, 30 Nov 2021 06:52:15 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id B6A65B81A4D; Tue, 30 Nov 2021 14:52:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B20B5C8D180; Tue, 30 Nov 2021 14:52:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1638283933; bh=y/mWlJLwBesZaiB8Tk9gpOyq1Ev3BhUtLKK1E+zZKxE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ugHNzphbbW3Ov0UKnPjt8O1nCipcllDsH/fPTRv1bz+gpY3o0fBULOguTE8Yktuql 1aHI7hOE/+IoHQfnCZoAPti1poi7bpCjq5TpO2q2KbwyzhGrTEDlUqLWKcRyQMkesT euoBE9dLgMD8xr1dV4MGgqLq8+DrM3Mo6TGkyq996di48DfgZfnBWOQ2P36FqJvQdj PyedkLbrXlxjd5YKN/f+wP2VagPNjLtxh6LjW0fWZCEEhBmF1D1iRREhLkQfpwrjkR Ug1YdccWR7IuhRd54/6U88jSoZal31IXT1P5SU87a7CUbyWrnqv4K0u5VtN9gSvy+w WJ5glgjh8xk7Q== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Helge Deller , Sasha Levin , James.Bottomley@HansenPartnership.com, svens@stackframe.org, dave.anglin@bell.net, linux-parisc@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 08/25] parisc: Convert PTE lookup to use extru_safe() macro Date: Tue, 30 Nov 2021 09:51:38 -0500 Message-Id: <20211130145156.946083-8-sashal@kernel.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211130145156.946083-1-sashal@kernel.org> References: <20211130145156.946083-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Helge Deller [ Upstream commit 3fbdc121bd051d9f1b3b2e232ad734c44b47d32c ] Convert the PTE lookup functions to use the safer extru_safe macro. Signed-off-by: Helge Deller Signed-off-by: Sasha Levin --- arch/parisc/kernel/entry.S | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index 2f64f112934b6..286fb50259bb3 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -394,17 +394,9 @@ */ .macro L2_ptep pmd,pte,index,va,fault #if CONFIG_PGTABLE_LEVELS == 3 - extru \va,31-ASM_PMD_SHIFT,ASM_BITS_PER_PMD,\index + extru_safe \va,31-ASM_PMD_SHIFT,ASM_BITS_PER_PMD,\index #else -# if defined(CONFIG_64BIT) - extrd,u \va,63-ASM_PGDIR_SHIFT,ASM_BITS_PER_PGD,\index - #else - # if PAGE_SIZE > 4096 - extru \va,31-ASM_PGDIR_SHIFT,32-ASM_PGDIR_SHIFT,\index - # else - extru \va,31-ASM_PGDIR_SHIFT,ASM_BITS_PER_PGD,\index - # endif -# endif + extru_safe \va,31-ASM_PGDIR_SHIFT,ASM_BITS_PER_PGD,\index #endif dep %r0,31,PAGE_SHIFT,\pmd /* clear offset */ copy %r0,\pte @@ -412,7 +404,7 @@ bb,>=,n \pmd,_PxD_PRESENT_BIT,\fault dep %r0,31,PxD_FLAG_SHIFT,\pmd /* clear flags */ SHLREG \pmd,PxD_VALUE_SHIFT,\pmd - extru \va,31-PAGE_SHIFT,ASM_BITS_PER_PTE,\index + extru_safe \va,31-PAGE_SHIFT,ASM_BITS_PER_PTE,\index dep %r0,31,PAGE_SHIFT,\pmd /* clear offset */ shladd \index,BITS_PER_PTE_ENTRY,\pmd,\pmd /* pmd is now pte */ .endm -- 2.33.0