From patchwork Tue Aug 13 03:13:13 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Christopher M. Riedl" X-Patchwork-Id: 1146002 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 466yZ85tCXz9sND for ; Tue, 13 Aug 2019 13:17:20 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=informatik.wtf Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 466yZ82LzpzDqg7 for ; Tue, 13 Aug 2019 13:17:20 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org 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)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 466yPn5cqfzDqZR for ; Tue, 13 Aug 2019 13:10:05 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=informatik.wtf Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) by bilbo.ozlabs.org (Postfix) with ESMTP id 466yPm4KMFz99gP for ; Tue, 13 Aug 2019 13:10:04 +1000 (AEST) Received: by ozlabs.org (Postfix) id 466yPm3pxWz9sP6; Tue, 13 Aug 2019 13:10:04 +1000 (AEST) Delivered-To: linuxppc-dev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=informatik.wtf (client-ip=131.153.2.44; helo=h3.fbrelay.privateemail.com; envelope-from=cmr@informatik.wtf; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=informatik.wtf Received: from h3.fbrelay.privateemail.com (h3.fbrelay.privateemail.com [131.153.2.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 466yPl4Ncgz9sP3 for ; Tue, 13 Aug 2019 13:10:03 +1000 (AEST) Received: from MTA-06-3.privateemail.com (mta-06.privateemail.com [68.65.122.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by h3.fbrelay.privateemail.com (Postfix) with ESMTPS id 3517E81468 for ; Mon, 12 Aug 2019 23:09:59 -0400 (EDT) Received: from MTA-06.privateemail.com (localhost [127.0.0.1]) by MTA-06.privateemail.com (Postfix) with ESMTP id D78D760059; Mon, 12 Aug 2019 23:09:53 -0400 (EDT) Received: from wrwlf0000.attlocal.net (unknown [10.20.151.206]) by MTA-06.privateemail.com (Postfix) with ESMTPA id 8AA576004F; Tue, 13 Aug 2019 03:09:53 +0000 (UTC) From: "Christopher M. Riedl" To: linuxppc-dev@ozlabs.org Subject: [PATCH v4 2/3] powerpc/spinlocks: Rename SPLPAR-only spinlocks Date: Mon, 12 Aug 2019 22:13:13 -0500 Message-Id: <20190813031314.1828-3-cmr@informatik.wtf> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190813031314.1828-1-cmr@informatik.wtf> References: <20190813031314.1828-1-cmr@informatik.wtf> MIME-Version: 1.0 X-Virus-Scanned: ClamAV using ClamSMTP 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: Andrew Donnellan Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" The __rw_yield and __spin_yield locks only pertain to SPLPAR mode. Rename them to make this relationship obvious. Signed-off-by: Christopher M. Riedl Reviewed-by: Andrew Donnellan --- arch/powerpc/include/asm/spinlock.h | 6 ++++-- arch/powerpc/lib/locks.c | 6 +++--- 2 files changed, 7 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h index e9c60fbcc8fe..0d04d468f660 100644 --- a/arch/powerpc/include/asm/spinlock.h +++ b/arch/powerpc/include/asm/spinlock.h @@ -101,8 +101,10 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock) #if defined(CONFIG_PPC_SPLPAR) /* We only yield to the hypervisor if we are in shared processor mode */ -extern void __spin_yield(arch_spinlock_t *lock); -extern void __rw_yield(arch_rwlock_t *lock); +void splpar_spin_yield(arch_spinlock_t *lock); +void splpar_rw_yield(arch_rwlock_t *lock); +#define __spin_yield(x) splpar_spin_yield(x) +#define __rw_yield(x) splpar_rw_yield(x) #else /* SPLPAR */ #define __spin_yield(x) barrier() #define __rw_yield(x) barrier() diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c index 6550b9e5ce5f..6440d5943c00 100644 --- a/arch/powerpc/lib/locks.c +++ b/arch/powerpc/lib/locks.c @@ -18,7 +18,7 @@ #include #include -void __spin_yield(arch_spinlock_t *lock) +void splpar_spin_yield(arch_spinlock_t *lock) { unsigned int lock_value, holder_cpu, yield_count; @@ -36,14 +36,14 @@ void __spin_yield(arch_spinlock_t *lock) plpar_hcall_norets(H_CONFER, get_hard_smp_processor_id(holder_cpu), yield_count); } -EXPORT_SYMBOL_GPL(__spin_yield); +EXPORT_SYMBOL_GPL(splpar_spin_yield); /* * Waiting for a read lock or a write lock on a rwlock... * This turns out to be the same for read and write locks, since * we only know the holder if it is write-locked. */ -void __rw_yield(arch_rwlock_t *rw) +void splpar_rw_yield(arch_rwlock_t *rw) { int lock_value; unsigned int holder_cpu, yield_count;