From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f43.google.com (mail-wr1-f43.google.com [209.85.221.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1A63239C621 for ; Tue, 2 Jun 2026 21:26:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.43 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780435604; cv=none; b=HesqtIks+GlzabkbLdKdL0jE3yvvh8E+Rbbls1akVQAZ59tXzKyBHn0nzzTuywOYtgF/0Y2GNRcvFIxexqArenO+/nf3kIpzcZwRMq5X6pRx1UAOFmScpkfWXRS3S2zaypM3hAmPc3aQDxX6vTEuqMTTC50jxlu3w8GX6eV1kdo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780435604; c=relaxed/simple; bh=dXfphc9xwtT9J9Mx9nqk/TREcXFO8JL1ydyTeyM2RLA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ISEgOeAg5Rf4jQdDfCgYWqrLEm559Hyi0uqXaUNKVYIEWVc9dj+vwPRF4O2l0r6fGFp5nW0hpaf5LlSJJEVkhGXRVylbE8QnDn9uflr/RfX5/vWN0gxBXTJtccotF1X5iSvv0QpPbiadiLfkovDNSaLSghRADIvPxOW2eHxImBU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=CgnzSV6e; arc=none smtp.client-ip=209.85.221.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CgnzSV6e" Received: by mail-wr1-f43.google.com with SMTP id ffacd0b85a97d-45ef1629ff4so3656199f8f.0 for ; Tue, 02 Jun 2026 14:26:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1780435601; x=1781040401; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=7X+F9JE3lvSde2aXKa2nn0C2FzfJE3VdMHUXsv8Plio=; b=CgnzSV6esF+1TCJsKAi+5U7iGvsASgdRpAR7RUZ0iAZWg6Ry8JXDzzhHDg4R43PrUP 4+PRNws27ToP9i6eKFlE0keA6Rl18gc6LqFlh1Jv+kOg+Z9JfdnT0KgKbtF9qaPcmv7C XPjz1Ak3aVKiQiHXG+7Yew35qijmalM30gi1T8QSdVMbxlJFX8PJA4Cf7N2gPLDKM7yL q7FpeX6gBV5F76UOf1YF4AO+8nbUYQauoE6ky0H5zqB761ek8tBDF//qLoQo3aqImhVc 2uhPM4plPECUokU0erjQXYaWI+HHyx/K9gKuvAP+VogI8EnLeoNjMXEKuV/pbSnv207G FPAg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780435601; x=1781040401; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=7X+F9JE3lvSde2aXKa2nn0C2FzfJE3VdMHUXsv8Plio=; b=AKthtBMxLpWk1uAq1MSc71gULpifa9TYiFh+zqWH4G/KJnKWTqUsB+NuYU/IfZJQ87 n0X8eeKRp5rZAWO1nP46Qd7ozpda+YYNmAoS15jLVq0xUlpBhLPiCPlw9W3d5pQv/Pgf LoNKuL5x/Cd8dgvF5wJXboub+d3Mt18vL27EGynBMgVG3PdifBZJfaZGGquUJcf9zVy8 hkUpnKLUw/77oaxbnw424ppguL6tFnFbUA0xJill3+KPuFgqAIsUWttP5ScYlbWDTJGv f8Untri+gNkqzjHOf8aDXJluaRjhRldkjHSZQ3qv82cSDqafKnW4fAT0lghZ5k6cvw0h hn3w== X-Forwarded-Encrypted: i=1; AFNElJ/yJLYuKlBE8pVt5QAY/AUK6wrTvybMNI4SaNmpuGw5j0b4wHAMXpg9gbmgmpB6WUyUXXArHMQkxAs=@vger.kernel.org X-Gm-Message-State: AOJu0YyeWR2k7GnKFDpvcLi6Pv1Kox8OwC7QdCAyOun8mWoVKCBw5gwZ fiIVEbs2VypawzEFGwL3qeMs2jrxAgkyI/RqRWEJxPjcEEkr5bSmw4bT X-Gm-Gg: Acq92OFo653uINTnl2j3A/FNI0p+zI795WJk9RRjxSWhKZJQlOpJCAOMlt4eNm8oZuh QIk3HtzTUnqaB8a36vvKKod/fWX2KukHnc+0t7CsKTtJjMBIwZh59HVNQVRJZfwhd+FGEYhNzpP jcP9pJ1pfOCnLlalTIfh/a1KJ8GFRU/YYVhF+hJpcHOoSGOME1IJ/xyxg9C/J0n+Mgp13BscMk3 z5qqH0olApx5jXCJaaajIaYtxVAZYX8vrRHag5HJosgykuI/EwR+3wYbKf7aaV/ZI81gALheYAk /5Q2G0zJctVJXuQ0Erta1Cx0bugpSNYQetHK0y0uNkKuzoFijOx0zNK4/WPuki+SBCnWctxBjnI j8JQpFs8P8+yYN7QJyh0+pJJrhI1jWS/WvtETk8AxOXFE61a+DGpO0WLmkNnWXjYYzcqHYYbifF yi5i9+qJX+B1v/Pk1mQ70b686gG5w1vA== X-Received: by 2002:a05:600c:c174:b0:490:b2a6:8c2b with SMTP id 5b1f17b1804b1-490b5eb82b2mr8862715e9.10.1780435601484; Tue, 02 Jun 2026 14:26:41 -0700 (PDT) Received: from localhost ([212.73.77.104]) by smtp.gmail.com with UTF8SMTPSA id 5b1f17b1804b1-490b614261bsm2203845e9.26.2026.06.02.14.26.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 02 Jun 2026 14:26:41 -0700 (PDT) From: Askar Safin To: devnull+ackerleytng.google.com@kernel.org Cc: ackerleytng@google.com, aik@amd.com, akpm@linux-foundation.org, andrew.jones@linux.dev, aneesh.kumar@kernel.org, axelrasmussen@google.com, baohua@kernel.org, bhe@redhat.com, binbin.wu@linux.intel.com, bp@alien8.de, brauner@kernel.org, chao.p.peng@linux.intel.com, chrisl@kernel.org, corbet@lwn.net, dave.hansen@linux.intel.com, david@kernel.org, forkloop@google.com, hpa@zytor.com, ira.weiny@intel.com, jgg@ziepe.ca, jmattson@google.com, jthoughton@google.com, kas@kernel.org, kasong@tencent.com, kvm@vger.kernel.org, liam@infradead.org, linux-coco@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, mathieu.desnoyers@efficios.com, mhiramat@kernel.org, michael.roth@amd.com, mingo@redhat.com, nphamcs@gmail.com, oupton@kernel.org, pankaj.gupta@amd.com, pbonzini@redhat.com, pratyush@kernel.org, qi.zheng@linux.dev, qperret@google.com, rick.p.edgecombe@intel.com, rientjes@google.com, rostedt@goodmis.org, seanjc@google.com, shakeel.butt@linux.dev, shikemeng@huaweicloud.com, shivankg@amd.com, shuah@kernel.org, skhan@linuxfoundation.org, steven.price@arm.com, suzuki.poulose@arm.com, tabba@google.com, tglx@kernel.org, vannapurve@google.com, vbabka@kernel.org, weixugc@google.com, willy@infradead.org, wyihan@google.com, x86@kernel.org, yan.y.zhao@intel.com, youngjun.park@lge.com, yuanchu@google.com Subject: Re: [PATCH v7 34/42] KVM: selftests: Test conversion with elevated page refcount Date: Wed, 3 Jun 2026 00:26:30 +0300 Message-ID: <20260602212630.27012-1-safinaskar@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260522-gmem-inplace-conversion-v7-34-2f0fae496530@google.com> References: <20260522-gmem-inplace-conversion-v7-34-2f0fae496530@google.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Ackerley Tng via B4 Relay : > This test uses vmsplice to increment the refcount of a specific page I recently submitted a patch, which makes vmsplice equivalent to preadv2/pwritev2, and it was accepted to next. For now it is just an experiment, it is possible it will be reverted. https://lore.kernel.org/all/20260601-aufweichen-dissens-ausrechnen-0d9b84728113@brauner/ -- Askar Safin