From patchwork Wed May 22 13:22:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Rutland X-Patchwork-Id: 164817 Delivered-To: patch@linaro.org Received: by 2002:a92:9e1a:0:0:0:0:0 with SMTP id q26csp858832ili; Wed, 22 May 2019 06:23:15 -0700 (PDT) X-Google-Smtp-Source: APXvYqxk5SFxqQceuU+d6Ua5cBdEHCaSONYoqZZbrwY7Sf3a8jr65hDQjJLeB1xTokJyEOGElKQ7 X-Received: by 2002:a62:d205:: with SMTP id c5mr94805576pfg.219.1558531395640; Wed, 22 May 2019 06:23:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1558531395; cv=none; d=google.com; s=arc-20160816; b=lI4p3DjtEQLF2j+GEN784N+sNrE7SbUv0eZh9HiSp5yKXrNvciIvButHNicys10riR tGbu+o+Gx0I5D2YVUI0OkURRZn8QXCTDbDi32PJ/+0tgkuXc4MEr5eI9Xevsl9uSbrdp g4lY3kWls5SsI65ZQo+G4ng+WxznzRE50nR0qQO0VL+NwJ3D6CstjUZYieFV+iCYlNz7 HHN2KCMr0WVzazLeAhsA6IOECcGj6qS+noBRapT5oMLL2eJ4JrjKO70Dcoc2IbgwSaeL IhtNO5fU8G3bgjOJQpYQczjwodcfh5XyrkW78W3F0euemVNRNM8tWQOs5RwiP6dhXvW6 e4Zg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from; bh=X2oJUO4ewbPY9ldEHhLDbwf+phav65EB4AjER+zHJFc=; b=zVJYw4rBgx/vHqUEWJZ+PXeOs5DwJa9vchQvPTNjeO2gMX112BL6JbQpt83YQ6sEqn aEYdl6dFl6J5A/9ceWjfzvAPWifwODrzD61jPQl1wnbU92NiHBHflvBEcQvRLS2i7aD9 GplEsjMU/qYvYsGuusILBiD5X8/4/L4jX7hZn93wryhUsiZU7L184l9hXiSM23foaz1u +a3E/tYU9zyQUmvOL+8wjorq3Ji+pmaoTNg4PYolTnnOwpplWECmqh6g+FYFInjYH1as dsfsLnCig3utzdLXUQY8L7EdZ8usHFwcpQ2H1Te0k3jY/TMZh7TwRqpB2TpnoRXls6Uv 65bw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of stable-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id y8si24934104pgo.168.2019.05.22.06.23.15; Wed, 22 May 2019 06:23:15 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of stable-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of stable-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729049AbfEVNXP (ORCPT + 14 others); Wed, 22 May 2019 09:23:15 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:50442 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728827AbfEVNXO (ORCPT ); Wed, 22 May 2019 09:23:14 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 505BD80D; Wed, 22 May 2019 06:23:14 -0700 (PDT) Received: from lakrids.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 0B7EA3F575; Wed, 22 May 2019 06:23:09 -0700 (PDT) From: Mark Rutland To: linux-kernel@vger.kernel.org, peterz@infradead.org, will.deacon@arm.com Cc: aou@eecs.berkeley.edu, arnd@arndb.de, bp@alien8.de, catalin.marinas@arm.com, davem@davemloft.net, fenghua.yu@intel.com, heiko.carstens@de.ibm.com, herbert@gondor.apana.org.au, ink@jurassic.park.msu.ru, jhogan@kernel.org, linux@armlinux.org.uk, mark.rutland@arm.com, mattst88@gmail.com, mingo@kernel.org, mpe@ellerman.id.au, palmer@sifive.com, paul.burton@mips.com, paulus@samba.org, ralf@linux-mips.org, rth@twiddle.net, stable@vger.kernel.org, tglx@linutronix.de, tony.luck@intel.com, vgupta@synopsys.com Subject: [PATCH 00/18] locking/atomic: atomic64 type cleanup Date: Wed, 22 May 2019 14:22:32 +0100 Message-Id: <20190522132250.26499-1-mark.rutland@arm.com> X-Mailer: git-send-email 2.11.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Currently architectures return inconsistent types for atomic64 ops. Some return long (e..g. powerpc), some return long long (e.g. arc), and some return s64 (e.g. x86). This is a bit messy, and causes unnecessary pain (e.g. as values must be cast before they can be printed [1]). This series reworks all the atomic64 implementations to use s64 as the base type for atomic64_t (as discussed [2]), and to ensure that this type is consistently used for parameters and return values in the API, avoiding further problems in this area. This series (based on v5.1-rc1) can also be found in my atomics/type-cleanup branch [3] on kernel.org. Thanks, Mark. [1] https://lkml.kernel.org/r/20190310183051.87303-1-cai@lca.pw [2] https://lkml.kernel.org/r/20190313091844.GA24390@hirez.programming.kicks-ass.net [3] git://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git atomics/type-cleanup Mark Rutland (18): locking/atomic: crypto: nx: prepare for atomic64_read() conversion locking/atomic: s390/pci: prepare for atomic64_read() conversion locking/atomic: generic: use s64 for atomic64 locking/atomic: alpha: use s64 for atomic64 locking/atomic: arc: use s64 for atomic64 locking/atomic: arm: use s64 for atomic64 locking/atomic: arm64: use s64 for atomic64 locking/atomic: ia64: use s64 for atomic64 locking/atomic: mips: use s64 for atomic64 locking/atomic: powerpc: use s64 for atomic64 locking/atomic: riscv: fix atomic64_sub_if_positive() offset argument locking/atomic: riscv: use s64 for atomic64 locking/atomic: s390: use s64 for atomic64 locking/atomic: sparc: use s64 for atomic64 locking/atomic: x86: use s64 for atomic64 locking/atomic: use s64 for atomic64_t on 64-bit locking/atomic: crypto: nx: remove redundant casts locking/atomic: s390/pci: remove redundant casts arch/alpha/include/asm/atomic.h | 20 +++++------ arch/arc/include/asm/atomic.h | 41 +++++++++++----------- arch/arm/include/asm/atomic.h | 50 +++++++++++++------------- arch/arm64/include/asm/atomic_ll_sc.h | 20 +++++------ arch/arm64/include/asm/atomic_lse.h | 34 +++++++++--------- arch/ia64/include/asm/atomic.h | 20 +++++------ arch/mips/include/asm/atomic.h | 22 ++++++------ arch/powerpc/include/asm/atomic.h | 44 +++++++++++------------ arch/riscv/include/asm/atomic.h | 44 ++++++++++++----------- arch/s390/include/asm/atomic.h | 38 ++++++++++---------- arch/s390/pci/pci_debug.c | 2 +- arch/sparc/include/asm/atomic_64.h | 8 ++--- arch/x86/include/asm/atomic64_32.h | 66 +++++++++++++++++------------------ arch/x86/include/asm/atomic64_64.h | 38 ++++++++++---------- drivers/crypto/nx/nx-842-pseries.c | 6 ++-- include/asm-generic/atomic64.h | 20 +++++------ include/linux/types.h | 2 +- lib/atomic64.c | 32 ++++++++--------- 18 files changed, 252 insertions(+), 255 deletions(-) -- 2.11.0 Acked-By: Vineet Gupta # for ARC bits Reviewed-by: Greg Kroah-Hartman Acked-by: Will Deacon Acked-by: Will Deacon Reviewed-by: Greg Kroah-Hartman Signed-off-by: Peter Zijlstra (Intel)