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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94BE5C433ED for ; Sat, 10 Apr 2021 14:29:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4CD6B610A3 for ; Sat, 10 Apr 2021 14:29:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234797AbhDJO3s (ORCPT ); Sat, 10 Apr 2021 10:29:48 -0400 Received: from ozlabs.org ([203.11.71.1]:42989 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234392AbhDJO3q (ORCPT ); Sat, 10 Apr 2021 10:29:46 -0400 Received: by ozlabs.org (Postfix, from userid 1034) id 4FHcp23yX0z9sWP; Sun, 11 Apr 2021 00:29:30 +1000 (AEST) From: Michael Ellerman To: Benjamin Herrenschmidt , Michael Ellerman , Christophe Leroy , cmr@codefail.de, Paul Mackerras Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arch@vger.kernel.org In-Reply-To: References: Subject: Re: [PATCH 00/10] Convert signal32 to user read access by block Message-Id: <161806493285.1467223.5574270316923753261.b4-ty@ellerman.id.au> Date: Sun, 11 Apr 2021 00:28:52 +1000 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 19 Mar 2021 11:06:49 +0000 (UTC), Christophe Leroy wrote: > Similarly to the work done earlier with writes, this series > converts signal32 to using user_read_access_begin/end and > unsafe_get_user() and friends. > > Applies on to of the signal64 series, ie on merge-test (ca6e327fefb2) > > Christophe Leroy (10): > signal: Add unsafe_get_compat_sigset() > powerpc/uaccess: Also perform 64 bits copies in > unsafe_copy_from_user() on ppc32 > powerpc/signal: Add unsafe_copy_ck{fpr/vsx}_from_user > powerpc/signal32: Rename save_user_regs_unsafe() and > save_general_regs_unsafe() > powerpc/signal32: Remove ifdefery in middle of if/else in sigreturn() > powerpc/signal32: Perform access_ok() inside restore_user_regs() > powerpc/signal32: Reorder user reads in restore_tm_user_regs() > powerpc/signal32: Convert restore_[tm]_user_regs() to user access > block > powerpc/signal32: Convert do_setcontext[_tm]() to user access block > powerpc/signal32: Simplify logging in sigreturn() > > [...] Applied to powerpc/next. [01/10] signal: Add unsafe_get_compat_sigset() https://git.kernel.org/powerpc/c/fb05121fd6a20f0830ff2a4420c51af6ca4ac6e7 [02/10] powerpc/uaccess: Also perform 64 bits copies in unsafe_copy_from_user() on ppc32 https://git.kernel.org/powerpc/c/c1cc1570bc8d94f288060f262f11be8f7672578c [03/10] powerpc/signal: Add unsafe_copy_ck{fpr/vsx}_from_user https://git.kernel.org/powerpc/c/7c11f8893a76ac4e86c07f4b57371d5fa593627f [04/10] powerpc/signal32: Rename save_user_regs_unsafe() and save_general_regs_unsafe() https://git.kernel.org/powerpc/c/f918a81e209f24acb45cd935bcfb78d2c024f6a1 [05/10] powerpc/signal32: Remove ifdefery in middle of if/else in sigreturn() https://git.kernel.org/powerpc/c/ca9e1605cdd9473a0eb4d6da238d2524be12591a [06/10] powerpc/signal32: Perform access_ok() inside restore_user_regs() https://git.kernel.org/powerpc/c/362471b3192e4184fff5fedee1ea20bdf637a0c8 [07/10] powerpc/signal32: Reorder user reads in restore_tm_user_regs() https://git.kernel.org/powerpc/c/036fc2cb1dc2245c2ea7d2f03c7af80417b6310c [08/10] powerpc/signal32: Convert restore_[tm]_user_regs() to user access block https://git.kernel.org/powerpc/c/627b72bee84d6652e0af26617e71ce2b3c18fcd5 [09/10] powerpc/signal32: Convert do_setcontext[_tm]() to user access block https://git.kernel.org/powerpc/c/887f3ceb51cd34109ac17bfc98695162e299e657 [10/10] powerpc/signal32: Simplify logging in sigreturn() https://git.kernel.org/powerpc/c/c7393a71eb1abdda7e3a3ef798bae60de11540ec cheers 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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 42170C433ED for ; Sat, 10 Apr 2021 14:32:25 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B527861165 for ; Sat, 10 Apr 2021 14:32:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B527861165 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4FHcsM3Fqnz3dYQ for ; Sun, 11 Apr 2021 00:32:23 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org (client-ip=2401:3900:2:1::2; helo=ozlabs.org; envelope-from=michael@ozlabs.org; receiver=) Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4FHcp82Vsrz3bwL for ; Sun, 11 Apr 2021 00:29:36 +1000 (AEST) Received: by ozlabs.org (Postfix, from userid 1034) id 4FHcp23yX0z9sWP; Sun, 11 Apr 2021 00:29:30 +1000 (AEST) From: Michael Ellerman To: Benjamin Herrenschmidt , Michael Ellerman , Christophe Leroy , cmr@codefail.de, Paul Mackerras In-Reply-To: References: Subject: Re: [PATCH 00/10] Convert signal32 to user read access by block Message-Id: <161806493285.1467223.5574270316923753261.b4-ty@ellerman.id.au> Date: Sun, 11 Apr 2021 00:28:52 +1000 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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: linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Fri, 19 Mar 2021 11:06:49 +0000 (UTC), Christophe Leroy wrote: > Similarly to the work done earlier with writes, this series > converts signal32 to using user_read_access_begin/end and > unsafe_get_user() and friends. > > Applies on to of the signal64 series, ie on merge-test (ca6e327fefb2) > > Christophe Leroy (10): > signal: Add unsafe_get_compat_sigset() > powerpc/uaccess: Also perform 64 bits copies in > unsafe_copy_from_user() on ppc32 > powerpc/signal: Add unsafe_copy_ck{fpr/vsx}_from_user > powerpc/signal32: Rename save_user_regs_unsafe() and > save_general_regs_unsafe() > powerpc/signal32: Remove ifdefery in middle of if/else in sigreturn() > powerpc/signal32: Perform access_ok() inside restore_user_regs() > powerpc/signal32: Reorder user reads in restore_tm_user_regs() > powerpc/signal32: Convert restore_[tm]_user_regs() to user access > block > powerpc/signal32: Convert do_setcontext[_tm]() to user access block > powerpc/signal32: Simplify logging in sigreturn() > > [...] Applied to powerpc/next. [01/10] signal: Add unsafe_get_compat_sigset() https://git.kernel.org/powerpc/c/fb05121fd6a20f0830ff2a4420c51af6ca4ac6e7 [02/10] powerpc/uaccess: Also perform 64 bits copies in unsafe_copy_from_user() on ppc32 https://git.kernel.org/powerpc/c/c1cc1570bc8d94f288060f262f11be8f7672578c [03/10] powerpc/signal: Add unsafe_copy_ck{fpr/vsx}_from_user https://git.kernel.org/powerpc/c/7c11f8893a76ac4e86c07f4b57371d5fa593627f [04/10] powerpc/signal32: Rename save_user_regs_unsafe() and save_general_regs_unsafe() https://git.kernel.org/powerpc/c/f918a81e209f24acb45cd935bcfb78d2c024f6a1 [05/10] powerpc/signal32: Remove ifdefery in middle of if/else in sigreturn() https://git.kernel.org/powerpc/c/ca9e1605cdd9473a0eb4d6da238d2524be12591a [06/10] powerpc/signal32: Perform access_ok() inside restore_user_regs() https://git.kernel.org/powerpc/c/362471b3192e4184fff5fedee1ea20bdf637a0c8 [07/10] powerpc/signal32: Reorder user reads in restore_tm_user_regs() https://git.kernel.org/powerpc/c/036fc2cb1dc2245c2ea7d2f03c7af80417b6310c [08/10] powerpc/signal32: Convert restore_[tm]_user_regs() to user access block https://git.kernel.org/powerpc/c/627b72bee84d6652e0af26617e71ce2b3c18fcd5 [09/10] powerpc/signal32: Convert do_setcontext[_tm]() to user access block https://git.kernel.org/powerpc/c/887f3ceb51cd34109ac17bfc98695162e299e657 [10/10] powerpc/signal32: Simplify logging in sigreturn() https://git.kernel.org/powerpc/c/c7393a71eb1abdda7e3a3ef798bae60de11540ec cheers