From mboxrd@z Thu Jan 1 00:00:00 1970 From: Palmer Dabbelt Date: Sat, 30 Apr 2022 08:36:23 -0700 Subject: [OpenRISC] [PATCH v4 4/7] openrisc: Move to ticket-spinlock In-Reply-To: <20220430153626.30660-1-palmer@rivosinc.com> References: <20220430153626.30660-1-palmer@rivosinc.com> Message-ID: <20220430153626.30660-5-palmer@rivosinc.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: openrisc@lists.librecores.org From: Peter Zijlstra We have no indications that openrisc meets the qspinlock requirements, so move to ticket-spinlock as that is more likey to be correct. Signed-off-by: Peter Zijlstra (Intel) Acked-by: Stafford Horne Signed-off-by: Palmer Dabbelt --- arch/openrisc/Kconfig | 1 - arch/openrisc/include/asm/Kbuild | 5 ++-- arch/openrisc/include/asm/spinlock.h | 27 ---------------------- arch/openrisc/include/asm/spinlock_types.h | 7 ------ 4 files changed, 2 insertions(+), 38 deletions(-) delete mode 100644 arch/openrisc/include/asm/spinlock.h delete mode 100644 arch/openrisc/include/asm/spinlock_types.h diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig index 0d68adf6e02b..99f0e4a4cbbd 100644 --- a/arch/openrisc/Kconfig +++ b/arch/openrisc/Kconfig @@ -30,7 +30,6 @@ config OPENRISC select HAVE_DEBUG_STACKOVERFLOW select OR1K_PIC select CPU_NO_EFFICIENT_FFS if !OPENRISC_HAVE_INST_FF1 - select ARCH_USE_QUEUED_SPINLOCKS select ARCH_USE_QUEUED_RWLOCKS select OMPIC if SMP select ARCH_WANT_FRAME_POINTERS diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild index ca5987e11053..3386b9c1c073 100644 --- a/arch/openrisc/include/asm/Kbuild +++ b/arch/openrisc/include/asm/Kbuild @@ -1,9 +1,8 @@ # SPDX-License-Identifier: GPL-2.0 generic-y += extable.h generic-y += kvm_para.h -generic-y += mcs_spinlock.h -generic-y += qspinlock_types.h -generic-y += qspinlock.h +generic-y += spinlock_types.h +generic-y += spinlock.h generic-y += qrwlock_types.h generic-y += qrwlock.h generic-y += user.h diff --git a/arch/openrisc/include/asm/spinlock.h b/arch/openrisc/include/asm/spinlock.h deleted file mode 100644 index 264944a71535..000000000000 --- a/arch/openrisc/include/asm/spinlock.h +++ /dev/null @@ -1,27 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * OpenRISC Linux - * - * Linux architectural port borrowing liberally from similar works of - * others. All original copyrights apply as per the original source - * declaration. - * - * OpenRISC implementation: - * Copyright (C) 2003 Matjaz Breskvar - * Copyright (C) 2010-2011 Jonas Bonn - * et al. - */ - -#ifndef __ASM_OPENRISC_SPINLOCK_H -#define __ASM_OPENRISC_SPINLOCK_H - -#include - -#include - -#define arch_spin_relax(lock) cpu_relax() -#define arch_read_relax(lock) cpu_relax() -#define arch_write_relax(lock) cpu_relax() - - -#endif diff --git a/arch/openrisc/include/asm/spinlock_types.h b/arch/openrisc/include/asm/spinlock_types.h deleted file mode 100644 index 7c6fb1208c88..000000000000 --- a/arch/openrisc/include/asm/spinlock_types.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef _ASM_OPENRISC_SPINLOCK_TYPES_H -#define _ASM_OPENRISC_SPINLOCK_TYPES_H - -#include -#include - -#endif /* _ASM_OPENRISC_SPINLOCK_TYPES_H */ -- 2.34.1