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 0C6FACCFA02 for ; Fri, 31 Oct 2025 17:12:09 +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:Cc:To:From:Subject:Message-ID: References:Mime-Version:In-Reply-To:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=CkecojfjJN3rjUVDVjQktFmla3iXTBXAytSp81/ZvIM=; b=V8WQ8y9+LaCDQ7pvKStn4mxTPE ClDr9xMDgYn5Kmu+JZ9mpSBuvtCrEP5WBzH5NBmxdIhuuRxJ/Uda+wBfTUpIHTwRA3La/UHrdD2hQ l02Op68Hx//3gWAv5q314Qgjv/wRH/lglasmRbK9mhPxjp9K5mF/NL+D4XL39LIAOsjXTQrYQ4+s3 poZuMQ0V21jFkRjESSbJ/DTww6UabnsN4mOGH47aRvQ/uMPXqLpVovS9z5owPBs31JUMLO7u2etNz eBhzpjNIGKoIl856Dc2UU9jLV7AevcHRHhHq+uXR3Yu/NqWN/xiB6FDuju0vAW8SzGEKkxeTb0bGD ydHTkvfg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vEsfY-00000006SUw-2VJx; Fri, 31 Oct 2025 17:12:08 +0000 Received: from mail-pj1-x104a.google.com ([2607:f8b0:4864:20::104a]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vEsfU-00000006STY-35tc for kvm-riscv@lists.infradead.org; Fri, 31 Oct 2025 17:12:06 +0000 Received: by mail-pj1-x104a.google.com with SMTP id 98e67ed59e1d1-34082c48b2bso1541852a91.1 for ; Fri, 31 Oct 2025 10:12:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1761930723; x=1762535523; darn=lists.infradead.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=HjXjY8ls4xQvqV6pquPYuHe7QqNVj5FW0YEflavTuCM=; b=f33iJ30tw9i429heEXeUYWjeMVjvkDhbsZDqXBKVROSLy9K97S/tx1X1HXbJzGM+iJ Bb+TbtVjT5mfSuvrZdRV0l13v3CB8s5CXHud9+N7bYxfxr5IBjE8KHF+3//z1ym5kaM8 vhyaZu+eFiHwrUTcr+d1CSZGsA8OyvuAy/BAaGDq5KfSiWpXrsqGKRuunMG5+qpUYmmd 3nTbiOgIuRE4vJ+T2D9CaIq4VledvPzLbWdABuGLJeloK/s3jsGRRaSOqmoU7irHcrPA mNfx2a8/RLgvmqHHMrj5GjvblxFUUzIvjLcogWeIob7ejaj5pnrWbDgLmps9nIk9Dpu6 BD/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761930723; x=1762535523; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=HjXjY8ls4xQvqV6pquPYuHe7QqNVj5FW0YEflavTuCM=; b=aGdqWnvXWMa6AMexBLPyWSeYmSztZlsbJUdSgGt/s4Zv8HQqJBdcfa7RKco4PxFq0G hcNZTo5RFUuWhjZIz4c7f35sf2LmozT5BCKGyGMs+KzwcZ9vw7xXw98zl9+fhBhePJJZ bJlEuV1dZI2Gn6gg7/b+4KHyBJ06OLVd+FvEXBcX3Z6PFpuBBTseyQeda2TmqyVdVNE/ vz6oD6V1J3XHIbPiLoGT82t5+VhVWpG4yQLnqrySaQcTQ7ahixP58AY3x4xEGo2q/H8A 7yb6TjOOrjL3e8lSFNVbHVUwzBb7U0pTQRORQuRaoTe1sNVlJYBrApQwKJIDHg/K4PX9 b+Ow== X-Forwarded-Encrypted: i=1; AJvYcCUtgH3ce6B9HY+3WnWDYF5uac+qCr4abeJY6mmBPIsrlH4IN1pZzZ+i/f/4bhm52wgJdbEFD523Slo=@lists.infradead.org X-Gm-Message-State: AOJu0YxX/+ValTzV4CrZP0EPaSqnx2TXlmcfywiZa6l5h2x5QJ0yIbJa ykj7R1lYPoWx41/lP9xtLePeTx43bcydiJJlXv9qdheN4tf39E5R8XmWtzP2NWcx/dAAs47EcK0 p95hjxA== X-Google-Smtp-Source: AGHT+IGfSgMUQo+5u2P6PetuRGaKK3ywl60OSkXvDDKeMxjcSsBTGVvS+p3TiopL8XWw5d9McqxPGzj/wX4= X-Received: from pjbsr13.prod.google.com ([2002:a17:90b:4e8d:b0:340:b55d:7a07]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:388d:b0:32e:d599:1f66 with SMTP id 98e67ed59e1d1-34083089300mr5226937a91.30.1761930723259; Fri, 31 Oct 2025 10:12:03 -0700 (PDT) Date: Fri, 31 Oct 2025 10:12:01 -0700 In-Reply-To: Mime-Version: 1.0 References: <20251030200951.3402865-1-seanjc@google.com> <20251030200951.3402865-9-seanjc@google.com> Message-ID: Subject: Re: [PATCH v4 08/28] KVM: TDX: Drop superfluous page pinning in S-EPT management From: Sean Christopherson To: Yan Zhao Cc: Marc Zyngier , Oliver Upton , Tianrui Zhao , Bibo Mao , Huacai Chen , Madhavan Srinivasan , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Paolo Bonzini , "Kirill A. Shutemov" , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, x86@kernel.org, linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, Ira Weiny , Kai Huang , Binbin Wu , Michael Roth , Vishal Annapurve , Rick Edgecombe , Ackerley Tng X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251031_101204_798552_89F45D49 X-CRM114-Status: UNSURE ( 8.00 ) X-CRM114-Notice: Please train this message. X-BeenThere: kvm-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: "kvm-riscv" Errors-To: kvm-riscv-bounces+kvm-riscv=archiver.kernel.org@lists.infradead.org On Fri, Oct 31, 2025, Yan Zhao wrote: > > - Increasing the folio reference count only upon S-EPT zapping failure[5]. > Nit: There's a warning: > > WARNING: Prefer a maximum 75 chars per line (possible unwrapped commit description?) Checkpatch is a (very helpful) tool, but it is not authoritative in any way. Similar to the how "wrap at 80 chars" is a soft rule that can and should be broken depending on context, checkpatch should also be ignored for things like this. If someone says that the period making the line "too long" actually makes this unreadable for them, then they're just trolling at that point :-) -- kvm-riscv mailing list kvm-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kvm-riscv From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f74.google.com (mail-pj1-f74.google.com [209.85.216.74]) (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 04BE12FD68D for ; Fri, 31 Oct 2025 17:12:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761930725; cv=none; b=bvMPa5+kGvo3z/4CO1D7hUp3gTfFTUJF3TefEDcIAVVrctERBtwum1AtceGg6KS+UpZ3jdT4oPJvr1HjXrqjOlluHQFf9wBXqToFkTU8UxlHwCERtxWh0Hi9RGv/5/LeLsF1B41V87ibBh7X3CS6W2BZ4C2Z/7bJoMMNJDSNZEM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761930725; c=relaxed/simple; bh=2Py81n9yIbaq9LVne2Z6xEysNPQOVrfItEqxp5YA7aE=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=QB21nf9sCsfPBnz3boc+yupoG2ZrqaeRCG5jVZ1XA6Gm3DLz1WhhG3kl/vqlYcH7Qcy78g3YDAvdFcJIVZYDeOI5pA2ua58cC8gu5niYmWtYlBk/VNdUlA6wgWeY1aTanFjvuTc/8KsKllIGzpSQWR53iC0RVbdmHeDe2rVoSL8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=wEp/Ypyw; arc=none smtp.client-ip=209.85.216.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="wEp/Ypyw" Received: by mail-pj1-f74.google.com with SMTP id 98e67ed59e1d1-3407734d98bso1837573a91.3 for ; Fri, 31 Oct 2025 10:12:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1761930723; x=1762535523; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=HjXjY8ls4xQvqV6pquPYuHe7QqNVj5FW0YEflavTuCM=; b=wEp/Ypyw9pl+GnTzz1vKb0RGbY/EfAz5fUPPu7aerHeC0w96sHPea1BAOM0s6PlJr0 9WLki/KnBUA6ja9JQAjmB9V7M3CvhMrYYtbCcEoTVHzd/EQos/9pR9q93XJTyD+fEpfp FOYzkB//Kb64qm1hoWVjfj/A8+x0G4/n/VMfjcu6YHItgD3GEq1YnYNy7JZVSn/042YI kug1aYoEvl9wmCVb9Ubc2IdTQbe9Nysyo4dqm0g1UWpW0IyVOy/g4B3O4OP0miPxJTZz w/ZYlcmPl1PJZ8t9uFYGHHtF3ic1ZtvANTFSkFUWZlmS4lR5+vfQPj2llwDG1GYJcjTT U0Hw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761930723; x=1762535523; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=HjXjY8ls4xQvqV6pquPYuHe7QqNVj5FW0YEflavTuCM=; b=gPUbo+l43u0OtCO0t5ZEyk9bJp5Gp57xNjOvAsgJ2ylil68ynuJsvIM37fFR9U6JR/ 6XokDVivdVfFZjobsIEaowyfD+QvX4IpM+C5fnilr0qNIOdloO2nFig2MkbFFo2mG7Iu TIGrCFScx3DYbw2a0/MJmczSi9ZyHEHi7HChur01S8M2dB5tRHdm8c9TIoJ7b0iAmDqx I9imWf7rbYTNLjAwntq5jluWksTFH4G29wQQGq8KDQyFV75ymNP4PXK9vCx2MS6LWxo+ ntywRpDxnxupDeDWW1vaIS2wOHdtVhW5lAca8uJBzUP/GNcO885D3LLrf7JWBOlOHUNs ooPw== X-Forwarded-Encrypted: i=1; AJvYcCU7R6b+GCOWOu5y2D0kPz6P9VzF3E5bcX0E8qku38hB7JN6ncg8lEhMcVEffD4WOtL5dKc=@vger.kernel.org X-Gm-Message-State: AOJu0Yx3HohG6wTGEw7hpYOvDMUtyReH7cZBOX6UT9F5cPM4iGCnl45E R5I43ifveryR0x/7T5F4znBKIkd0jfKV1c/dxY59gFvCHgvblHm5RPjhFiuf1omR5W01eT0VTHG PZfDChQ== X-Google-Smtp-Source: AGHT+IGfSgMUQo+5u2P6PetuRGaKK3ywl60OSkXvDDKeMxjcSsBTGVvS+p3TiopL8XWw5d9McqxPGzj/wX4= X-Received: from pjbsr13.prod.google.com ([2002:a17:90b:4e8d:b0:340:b55d:7a07]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:388d:b0:32e:d599:1f66 with SMTP id 98e67ed59e1d1-34083089300mr5226937a91.30.1761930723259; Fri, 31 Oct 2025 10:12:03 -0700 (PDT) Date: Fri, 31 Oct 2025 10:12:01 -0700 In-Reply-To: Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20251030200951.3402865-1-seanjc@google.com> <20251030200951.3402865-9-seanjc@google.com> Message-ID: Subject: Re: [PATCH v4 08/28] KVM: TDX: Drop superfluous page pinning in S-EPT management From: Sean Christopherson To: Yan Zhao Cc: Marc Zyngier , Oliver Upton , Tianrui Zhao , Bibo Mao , Huacai Chen , Madhavan Srinivasan , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Paolo Bonzini , "Kirill A. Shutemov" , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, x86@kernel.org, linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, Ira Weiny , Kai Huang , Binbin Wu , Michael Roth , Vishal Annapurve , Rick Edgecombe , Ackerley Tng Content-Type: text/plain; charset="us-ascii" On Fri, Oct 31, 2025, Yan Zhao wrote: > > - Increasing the folio reference count only upon S-EPT zapping failure[5]. > Nit: There's a warning: > > WARNING: Prefer a maximum 75 chars per line (possible unwrapped commit description?) Checkpatch is a (very helpful) tool, but it is not authoritative in any way. Similar to the how "wrap at 80 chars" is a soft rule that can and should be broken depending on context, checkpatch should also be ignored for things like this. If someone says that the period making the line "too long" actually makes this unreadable for them, then they're just trolling at that point :-) 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 7F86ACCFA00 for ; Fri, 31 Oct 2025 17:12:23 +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:Cc:To:From:Subject:Message-ID: References:Mime-Version:In-Reply-To:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=0FcDJ/UrkvOIfyrVCy/HqQwdQNQraauM0dZV2GwWCDU=; b=POf8G/X48JBDOkZXvPBALKQIM3 2INHGBbA/9D5y84Z+/8ri+oCEX1iaVfO8I6+J/04QcbutYShMBw3xKRs5HLoinpI1YfyAzlGwnRhK XVh/mFXYKeehCUFnfibwUoXsOB7h4sd+8GD4g6xxfUU4fQ3lxUe7mKncMg1UUphtQHD0hhAKCmpQd EjC9Y3f5j8UiuRvNVRiCJh5nHEOR37WVfolM5u3j4EumBmdcJZ7S/R7V1RLZalbRAVHnUPC+oYlog FMIRdKNjrgZmM1RuC6jqCuQkN0z4qOTxi2Jl/tNWHTTCcwcTcAX37X9CdpfiN2Z4greUrhF+jUwaH uvBTxcYw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vEsfX-00000006SUq-1LLU; Fri, 31 Oct 2025 17:12:07 +0000 Received: from mail-pj1-x104a.google.com ([2607:f8b0:4864:20::104a]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vEsfU-00000006STa-2rUb for linux-riscv@lists.infradead.org; Fri, 31 Oct 2025 17:12:06 +0000 Received: by mail-pj1-x104a.google.com with SMTP id 98e67ed59e1d1-3405c46a22eso2291179a91.2 for ; Fri, 31 Oct 2025 10:12:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1761930723; x=1762535523; darn=lists.infradead.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=HjXjY8ls4xQvqV6pquPYuHe7QqNVj5FW0YEflavTuCM=; b=f33iJ30tw9i429heEXeUYWjeMVjvkDhbsZDqXBKVROSLy9K97S/tx1X1HXbJzGM+iJ Bb+TbtVjT5mfSuvrZdRV0l13v3CB8s5CXHud9+N7bYxfxr5IBjE8KHF+3//z1ym5kaM8 vhyaZu+eFiHwrUTcr+d1CSZGsA8OyvuAy/BAaGDq5KfSiWpXrsqGKRuunMG5+qpUYmmd 3nTbiOgIuRE4vJ+T2D9CaIq4VledvPzLbWdABuGLJeloK/s3jsGRRaSOqmoU7irHcrPA mNfx2a8/RLgvmqHHMrj5GjvblxFUUzIvjLcogWeIob7ejaj5pnrWbDgLmps9nIk9Dpu6 BD/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761930723; x=1762535523; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=HjXjY8ls4xQvqV6pquPYuHe7QqNVj5FW0YEflavTuCM=; b=aVYf0xBSgeHHFDOnPv8mUHJTLzDO3iss4Luv4TGBV11kMIrf40DccwxgP8/16OQdP+ 8f4QWrn+oefZAaXCfG0MquSSXx9o+CGSo8jySEwCl/OEpoqbtp+eSwLJ9idH/NaFXzzU cMFYcT/cyDZyIWR0czPiGdS57SaxsRKsLtAVWsL4TXOqX30em4NYDpjVetkN9Dz4dfuX 5PasYYe8t+8qY2+IymlMuWh6pOQDfo6k8GTrhWLGnFIt35nLsHr6rllqbrJN1Urcfa5X YwzRsdR0CWn6wiBm3OocZnbSRlgoHtWV1BctrhIs/4j2JoeMH6qan4KkWeFCvhKTKgXI 3VZA== X-Forwarded-Encrypted: i=1; AJvYcCUw3r9YhS6S0vSTJVR1o0yiJY9SZkwGmLbsptEXoxA8TpAyhg3VM7yyROcw3HMMSrZpkAbKADBCsRqoDA==@lists.infradead.org X-Gm-Message-State: AOJu0YwC2gGIVEhktrKJwuj3NDxQsK1cX9v1k7ElC2vkjXPYqkD1d0/J 3QoeoE7JTn6c+SybBSvifwbGjuGrWvPGW6k84naI5j9HZzhy2OZV9VVILLJgCyHDpTp8oMG2Yeg dRg0v0A== X-Google-Smtp-Source: AGHT+IGfSgMUQo+5u2P6PetuRGaKK3ywl60OSkXvDDKeMxjcSsBTGVvS+p3TiopL8XWw5d9McqxPGzj/wX4= X-Received: from pjbsr13.prod.google.com ([2002:a17:90b:4e8d:b0:340:b55d:7a07]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:388d:b0:32e:d599:1f66 with SMTP id 98e67ed59e1d1-34083089300mr5226937a91.30.1761930723259; Fri, 31 Oct 2025 10:12:03 -0700 (PDT) Date: Fri, 31 Oct 2025 10:12:01 -0700 In-Reply-To: Mime-Version: 1.0 References: <20251030200951.3402865-1-seanjc@google.com> <20251030200951.3402865-9-seanjc@google.com> Message-ID: Subject: Re: [PATCH v4 08/28] KVM: TDX: Drop superfluous page pinning in S-EPT management From: Sean Christopherson To: Yan Zhao Cc: Marc Zyngier , Oliver Upton , Tianrui Zhao , Bibo Mao , Huacai Chen , Madhavan Srinivasan , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Paolo Bonzini , "Kirill A. Shutemov" , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, x86@kernel.org, linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, Ira Weiny , Kai Huang , Binbin Wu , Michael Roth , Vishal Annapurve , Rick Edgecombe , Ackerley Tng X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251031_101204_718860_D69E6368 X-CRM114-Status: UNSURE ( 8.00 ) X-CRM114-Notice: Please train this message. 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 On Fri, Oct 31, 2025, Yan Zhao wrote: > > - Increasing the folio reference count only upon S-EPT zapping failure[5]. > Nit: There's a warning: > > WARNING: Prefer a maximum 75 chars per line (possible unwrapped commit description?) Checkpatch is a (very helpful) tool, but it is not authoritative in any way. Similar to the how "wrap at 80 chars" is a soft rule that can and should be broken depending on context, checkpatch should also be ignored for things like this. If someone says that the period making the line "too long" actually makes this unreadable for them, then they're just trolling at that point :-) _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv