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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 00249C10F1A for ; Tue, 7 May 2024 12:39:27 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s4K5n-000580-37; Tue, 07 May 2024 08:38:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s4K5l-00057T-OJ for qemu-devel@nongnu.org; Tue, 07 May 2024 08:38:45 -0400 Received: from mail-lj1-x236.google.com ([2a00:1450:4864:20::236]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1s4K5Z-0004ak-KQ for qemu-devel@nongnu.org; Tue, 07 May 2024 08:38:45 -0400 Received: by mail-lj1-x236.google.com with SMTP id 38308e7fff4ca-2e3f6166e4aso11820831fa.1 for ; Tue, 07 May 2024 05:38:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1715085512; x=1715690312; darn=nongnu.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=UBSq2RMcY9fl37gax+Rjx/LmYoBzU4/WQEwZrHu405g=; b=jGF5Tb5BAKlA0Bz6fjSWu4+uqicCmFT3Ig+Vyv2zSTd4hpz0NNvEzur4SDf2VijaXz gKTl386lxI1uSBTF2wJHvGECRA1jZT9My5VliZpSM+X00zWHzyzn4c0YoGLRxejM1aNA 7d6TcRXJUvs6ij50gV2e0OS7loTvV5Sexwu9m1Ug4bEGqOzaOJHEIKoQ5PcpJNwYcm+r AL7krq/UGV0jQlGxf96rDGNh6fN/B5uQASwqgm4B/xl2RczafRDMPYQK4vfTbBu9dD2N Rt4ROCyV5JD4GA+bS6/tic9ojAZsIC3QmSOrRmI0EnxPDLa6CkKXA4bT9bQBjWS1n4Yf j7vA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715085512; x=1715690312; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=UBSq2RMcY9fl37gax+Rjx/LmYoBzU4/WQEwZrHu405g=; b=s7O7iAezrPc3c8k3Lv+EldfWDH7877oYL74N6x8/bWiiDHEFhwoYVOAN49hCoo2HZ9 eulVxGTVxd3j37IyGlWhECOzS5sJWMu7EAkzVK3cI2pTF6sCGZOWyZNzqOEZn6pSu1vy ZSrC6WpG92OrSswX5AwoYYnjbIOUs5uf3L8Xm+n0gaDrW8Xe0Jgyxfs9BdBkBxB7Jmzz QBntoMllq4m4rJhKrq2O9az2QWrajIUagCifY5lYkI/enNnVF8Dx7wrNUC2F/FVnFaze uNWgnOJ6v8/CPTiPuK2qy1YfJ9ksYnFxBLQzFDruwxsAepEoc4/u/UGDjQuSI/mno0F2 mxVQ== X-Forwarded-Encrypted: i=1; AJvYcCV7bZeI9VkQlSuXilz97ZZTp272NoWKHhwpN6r1ZonZ0ugNXsaNfaYWbgYnnbAU3Hr75VgULxHLR3dalVX7GsVIxbLeNvM= X-Gm-Message-State: AOJu0YynFAObT+g6J4llWo9wndPjDxVIVmHCV+srrlI2qtmcl25OuPMz RaqEMxU1AH2KtcR6/spliGdg4F38HWe0PtoHU1BBeH3qIwZSHwse0nfrOqYQOXs= X-Google-Smtp-Source: AGHT+IG7bNj5yG4hL1u7SvHMebA5iLw7geo+1ME2vXcb0npvJW5RRHuq/7tO6j6v2AuYQRk/8cN4KA== X-Received: by 2002:a05:6512:3d87:b0:51d:a208:2282 with SMTP id k7-20020a0565123d8700b0051da2082282mr14654682lfv.51.1715085511499; Tue, 07 May 2024 05:38:31 -0700 (PDT) Received: from [192.168.69.100] ([176.176.177.243]) by smtp.gmail.com with ESMTPSA id uj4-20020a170907c98400b00a599f876c28sm4708352ejc.38.2024.05.07.05.38.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 May 2024 05:38:31 -0700 (PDT) Message-ID: Date: Tue, 7 May 2024 14:38:29 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/3] system/physmem: Per-AddressSpace bounce buffering To: Mattias Nissler , qemu-devel@nongnu.org Cc: David Hildenbrand , Marcel Apfelbaum , Peter Xu , Richard Henderson , john.levon@nutanix.com, Jonathan Cameron , Elena Ufimtseva , Paolo Bonzini , "Michael S. Tsirkin" References: <20240507123025.93391-1-philmd@linaro.org> <20240507123025.93391-4-philmd@linaro.org> Content-Language: en-US From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= In-Reply-To: <20240507123025.93391-4-philmd@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::236; envelope-from=philmd@linaro.org; helo=mail-lj1-x236.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 7/5/24 14:30, Philippe Mathieu-Daudé wrote: > From: Mattias Nissler > > Instead of using a single global bounce buffer, give each AddressSpace > its own bounce buffer. The MapClient callback mechanism moves to > AddressSpace accordingly. > > This is in preparation for generalizing bounce buffer handling further > to allow multiple bounce buffers, with a total allocation limit > configured per AddressSpace. > > Reviewed-by: Peter Xu > Tested-by: Jonathan Cameron > Signed-off-by: Mattias Nissler > Message-ID: <20240507094210.300566-2-mnissler@rivosinc.com> > [PMD: Split patch, part 2/2] > Signed-off-by: Philippe Mathieu-Daudé > --- > include/exec/memory.h | 19 +++++++++++ > system/memory.c | 7 +++++ > system/physmem.c | 73 ++++++++++++++++--------------------------- > 3 files changed, 53 insertions(+), 46 deletions(-) Reviewed-by: Philippe Mathieu-Daudé