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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1BF05C98310 for ; Thu, 24 Sep 2026 06:08:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=j7l3AuDsYnyzCga2/WjKfLIljQvUurxzGvPZEDGa0Co=; b=YoTXsmjroChky/ 8rH2bkzCOWwMYds4RdbrDAufKe6udmOgJgx6ksNIsyGFWrOY42k3wGnhnv9dC+RQ31+mvDn3sgAaT 6o8LNvEAgzIAcQ6JhGMKxkLhb2435rJDnPUBhODt2xfR9Tid984xkRMXGt+h+b9eXXD7BqvgjKZYI ZzQ+49b5cLvSY8xuO8HZErRSIgBvhC/nDY/JbxgsFmwdeA9mtePmVRoaDtB8fnlVh8+PCPctSaYL1 +XwPMGf/yKKLEX1YKm8JqwRh1JzCZag/zbdWu/dT3Z4TAu5SDbCb56eFskMf6EbQ36TPlNvx2kScb KntOvgV0qEx8xAufGj2w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x9cdK-0000000A6kk-0TyW; Thu, 24 Sep 2026 06:08:38 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x9cdH-0000000A6kF-3DgX; Thu, 24 Sep 2026 06:08:35 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 8000A40712; Thu, 24 Sep 2026 06:08:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DE2F01F00893; Thu, 24 Sep 2026 06:08:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790230115; bh=90/UBHgIVZHnWcX2iXkQQVtFO2UpIQ73195GKlJNVa4=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Dn1JBlRsc1tzw1/Hp0ITWR1GzpUUhunYQCS0MQv1129xb7p54LHARo1KWvgJbKpYA WxRRH3LRfneK8Jz+4Zv9Nb+SqgCe1KZxIRAUYJeRoXALzqqfIJjYWLZY+Blfsk7etY 7cbkpIUhQT3NqW9yf+YPzFUS7wMLzRbUEOyRPMgBwXSEKJWbGdGk2DigF3ABrcabAJ IedCTNlJjkIg/pOURGkjX18mbmywzCKsTIosd2GinD2FpeTrKk+yD06Xa48WBpagr3 JXK0moBAIFefd37ROD/cGCVIBgOoINaxjXS2y3lSw4P+i6b2O/+LY7qU11vY+s3+Bz DRDSkaKIG1Blw== From: "Aneesh Kumar K.V (Arm)" To: iommu@lists.linux.dev, linux-kernel@vger.kernel.org Cc: "Aneesh Kumar K.V (Arm)" , Robin Murphy , Marek Szyprowski , Jonathan Corbet , Shuah Khan , Randy Dunlap , Will Deacon , Mark Rutland , Marc Zyngier , Steven Price , Suzuki K Poulose , Catalin Marinas , Jiri Pirko , Jason Gunthorpe , Mostafa Saleh , Petr Tesarik , Alexey Kardashevskiy , Dan Williams , Xu Yilun , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , "Ritesh Harjani (IBM)" , Shrikanth Hegde , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Stefano Stabellini , Russell King , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , Jiaxun Yang , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, x86@kernel.org Subject: [PATCH v6 1/8] dma: swiotlb: Rename swiotlb_size_or_default() Date: Thu, 24 Sep 2026 11:37:49 +0530 Message-ID: <20260924060756.1325156-2-aneesh.kumar@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260924060756.1325156-1-aneesh.kumar@kernel.org> References: <20260924060756.1325156-1-aneesh.kumar@kernel.org> MIME-Version: 1.0 X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Rename swiotlb_size_or_default() to swiotlb_default_pool_size() to make clear that it returns the current size of the default SWIOTLB pool. This includes changes made by command-line options or sizing heuristics, not just the compiled-in default. No functional change. Cc: Stefano Stabellini Cc: Russell King Cc: Catalin Marinas Cc: Will Deacon Cc: Mark Rutland Cc: Paul Walmsley Cc: Palmer Dabbelt Cc: Albert Ou Cc: Alexandre Ghiti Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: Dave Hansen Cc: x86@kernel.org Cc: "H. Peter Anvin" Cc: Marek Szyprowski Cc: Robin Murphy Signed-off-by: Aneesh Kumar K.V (Arm) --- arch/arm/xen/mm.c | 2 +- arch/arm64/mm/init.c | 2 +- arch/riscv/mm/init.c | 2 +- arch/x86/include/asm/crash_reserve.h | 4 ++-- include/linux/swiotlb.h | 2 +- kernel/dma/swiotlb.c | 2 +- 6 files changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c index 882cd70c7a2f..a6cf55c6fd55 100644 --- a/arch/arm/xen/mm.c +++ b/arch/arm/xen/mm.c @@ -125,7 +125,7 @@ static int __init xen_mm_init(void) return 0; /* we can work with the default swiotlb */ - rc = swiotlb_init_late(swiotlb_size_or_default(), + rc = swiotlb_init_late(swiotlb_default_pool_size(), xen_swiotlb_gfp(), NULL); if (rc < 0) return rc; diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index fbf215ecc7d0..0842098a279b 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -348,7 +348,7 @@ void __init arch_mm_preinit(void) unsigned long size = DIV_ROUND_UP(memblock_phys_mem_size(), 1024); - swiotlb_adjust_size(min(swiotlb_size_or_default(), size)); + swiotlb_adjust_size(min(swiotlb_default_pool_size(), size)); } swiotlb_init(true, flags); diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index fb37b0b67efe..5fa392021717 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -185,7 +185,7 @@ void __init arch_mm_preinit(void) */ unsigned long size = DIV_ROUND_UP(memblock_phys_mem_size(), 1024); - swiotlb_adjust_size(min(swiotlb_size_or_default(), size)); + swiotlb_adjust_size(min(swiotlb_default_pool_size(), size)); swiotlb = true; swiotlb_flags |= SWIOTLB_ANY; } diff --git a/arch/x86/include/asm/crash_reserve.h b/arch/x86/include/asm/crash_reserve.h index 7835b2cdff04..047f638a766d 100644 --- a/arch/x86/include/asm/crash_reserve.h +++ b/arch/x86/include/asm/crash_reserve.h @@ -18,7 +18,7 @@ * no good way to detect the paging mode of the target kernel which will be * loaded for dumping. */ -extern unsigned long swiotlb_size_or_default(void); +extern unsigned long swiotlb_default_pool_size(void); #ifdef CONFIG_X86_32 # define CRASH_ADDR_LOW_MAX SZ_512M @@ -33,7 +33,7 @@ extern unsigned long swiotlb_size_or_default(void); static inline unsigned long crash_low_size_default(void) { #ifdef CONFIG_X86_64 - return max(swiotlb_size_or_default() + (8UL << 20), 256UL << 20); + return max(swiotlb_default_pool_size() + (8UL << 20), 256UL << 20); #else return 0; #endif diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index 2a421241b980..5f24edf47b68 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -38,7 +38,7 @@ struct scatterlist; #define IO_TLB_DEFAULT_SIZE (64UL << 20) #endif -unsigned long swiotlb_size_or_default(void); +unsigned long swiotlb_default_pool_size(void); void __init swiotlb_init_remap(bool addressing_limit, unsigned int flags, int (*remap)(void *tlb, unsigned long nslabs)); int swiotlb_init_late(size_t size, gfp_t gfp_mask, diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c index ded7016a46a7..42c51fb57e12 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -285,7 +285,7 @@ setup_io_tlb_npages(char *str) } early_param("swiotlb", setup_io_tlb_npages); -unsigned long swiotlb_size_or_default(void) +unsigned long swiotlb_default_pool_size(void) { return default_nslabs << IO_TLB_SHIFT; } -- 2.43.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv