From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) (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 313B833C192 for ; Tue, 7 Apr 2026 17:52:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775584374; cv=none; b=rPtZTp/hJUH9zZ6tBm6aD7DpTWfJO5JSwJNNISBqV+6yGcAr4UZKsUIl71+cj9MFN4DKw38MG2mBT1JzWjyN7Zjwufm3x/0xBvMsWzF56JYShYXxNRALDmlW8wYzg19Vj+1KHypOH17gA/Om4MP6njlEmn7uPI0c9+EAB2gmRwQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775584374; c=relaxed/simple; bh=SFi+MQ6VGcPjgdgikIOtIRVkkflB5tN7WyaTIpXX2RU=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=S39YTZJ6eMzqVJnEPr5ZPR4adkWGOohx57cRmU6yNX7wNb18Paxb8cLC29RP066fiZOzCqOhlWIsUFIyziPbvgfgwpf8nYvxDXTcyV02++HANGeoqWvvbFHaWacwlsqAuS2xD1PweKngLcOOyzrEKF3WAZUk+ERJuFzaTI/UD6Y= 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=I4Bo4FbS; arc=none smtp.client-ip=209.85.216.73 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="I4Bo4FbS" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-3594620fe97so12613546a91.1 for ; Tue, 07 Apr 2026 10:52:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1775584372; x=1776189172; 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=X/MSOJp/AJlf7hUTMD/NXnVkTNNfR/Z7vvW8KkUYbLI=; b=I4Bo4FbSttL88AXhPH6u8HhjhPmKz2qac1+xxSJ5a6EhZK2/KRxwsAWODPyfvzC+zh 99PY4dstQUDSlp0grg7wPlSHeaKr0xKrod+cG9apSsloXe/5pa+eCV5fjbFVS4mBSlN1 7W4FiU2RkK6wSIiglUblm+jk4/ICA0M+NMhxn33zNbBUst2g6O0naWMoQ5ztomj+NfLm sS2e0M+dZ5/E2nr0HOKH4gwBKlgAGgZiU2MHhXApuQbfC2RKO8bEO/ViGP4A4URyb+NO okmvk/Z6IdyLJFD9KsGr97DRYcZFbraPId+hxI9mdMX2NWMPEidcvLtS04fzliIMiQlV imfw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775584372; x=1776189172; 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=X/MSOJp/AJlf7hUTMD/NXnVkTNNfR/Z7vvW8KkUYbLI=; b=DnZ4Zarcy3+FPpJv6lYGnq0CoALkOGxhM6QImRgnllGUccfjJ0lftrqM8yhn9X6Nm8 PSw3ApRRnjtoAcYI6mePGMzg1NF+D+bmNucY6i81LmjZSxZasabgBeoS80/ggyJ+5hdS 33iYwOY0RsS6yIfDFfV7XBjVpS13fjoE3CB7ResOpOQDGzcEOM5Qt9HfRCYv5H0RhdHG DLFl+/KFzr3FCzqSoO0iP2v+IOTm6+YdW7sZWVXU8Lr4DJob/7d/olXcj2E6c6X7AMIX LXM6Qz+lz39Qczsvg3us+ru+tH19ClVKdONwAScUJcZ+6TBsxv9lSWsWZP9EW07E+E7B MycQ== X-Forwarded-Encrypted: i=1; AJvYcCV1p4POC7ov/WnI3Eh2korKgzqzczvayA58SGjFxOxkcguSGiVmOQl8R1by7Pgexz13vq0=@vger.kernel.org X-Gm-Message-State: AOJu0YwR1Q5DPIByTimStOCxR4+AIS9w6GLH0jOQoehm521qpiGCMgw7 CT79efi7eWIo7NftBWTHbiDfXafgSkT8E/gLLSslqAZHP7Nn3FEFsbLju1dQYeFFtFSlatboBNg I9f/u2w== X-Received: from pjps16.prod.google.com ([2002:a17:90a:a110:b0:35d:94b3:bd6b]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:2885:b0:35d:974d:8f7 with SMTP id 98e67ed59e1d1-35de679c8ecmr16179304a91.1.1775584372473; Tue, 07 Apr 2026 10:52:52 -0700 (PDT) Date: Tue, 7 Apr 2026 10:52:51 -0700 In-Reply-To: <2a216ee2-aebb-42ba-b2aa-826488448bbe@linux.alibaba.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <545847c132da5d957cfc74ab19e849b16127aa8f.1773890510.git.baolin.wang@linux.alibaba.com> <67c670e2-c98f-490b-bbb9-2960f8175b5a@lucifer.local> <66e78b59-f96c-4277-b7d7-473b68ed413f@linux.alibaba.com> <2a216ee2-aebb-42ba-b2aa-826488448bbe@linux.alibaba.com> Message-ID: Subject: Re: [PATCH 6/6] mm: change to return bool for the MMU notifier's young flag check From: Sean Christopherson To: Baolin Wang Cc: "Lorenzo Stoakes (Oracle)" , akpm@linux-foundation.org, david@kernel.org, Liam.Howlett@oracle.com, vbabka@kernel.org, rppt@kernel.org, surenb@google.com, mhocko@suse.com, linux-arm-kernel@lists.infradead.org, x86@kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org, open , linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" On Tue, Apr 07, 2026, Baolin Wang wrote: > On 4/4/26 7:12 AM, Sean Christopherson wrote: > > On Fri, Mar 20, 2026, Baolin Wang wrote: > > > > > -static __always_inline int kvm_age_hva_range(struct mmu_notifier *mn, > > > > > - unsigned long start, > > > > > - unsigned long end, > > > > > - gfn_handler_t handler, > > > > > - bool flush_on_ret) > > > > > +static __always_inline bool kvm_age_hva_range(struct mmu_notifier *mn, > > > > > + unsigned long start, > > > > > + unsigned long end, > > > > > + gfn_handler_t handler, > > > > > + bool flush_on_ret) > > > > > > > > Can we please fix this terrrible indentation while we're here :)? > > > > > > > > static __always_inline bool kvm_age_hva_range(struct mmu_notifier *mn, > > > > unsigned long start, unsigned long end, gfn_handler_t handler, > > > > bool flush_on_ret) > > > > > > > > Would be nicer, thanks! > > > > No, please keep this as-is. KVM's preferred style is exactly this (and I personally > > find mm's style much harder to parse). > > Um, Andrew has already queued v2[1] into the mm-stable branch. Do you want > me to send a follow-up patch to restore the original KVM coding style? Nah, not worth the churn. Thanks though! 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 1F305FF510E for ; Tue, 7 Apr 2026 17:53:07 +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=OEDQK8+AnZ9vdkagaid6OFg7zwAFNHf0fNnDRKXIWao=; b=zLH5lUOuRzSJRGFJYd4XndE40V cZSGByfRz/wP2B8HB/ozSMOykqoBC982g4ukK0G+BrbzWz+Uxg7dlT/NvgvcTsAh9ZQkB4QqBiSu/ IoQQvsQqGLm/V81WX+wtgtCWMUdDR4p0q+I1MQZzyKK1H6pKG7mBzXtZxGAc5/m+85qYf0HQeIqMb 2HbzoVnoUnr2IPcR4HN278tGct7Vy7SVmfVi6e/5eqcI8GrNtfmBGkDo01s0vlPP0rzsXDT3zuYoT eJe2t+eDlFW+B+zAWxG1IjXajl5LJrzCRfqsUW7EzLzAcAkE27SzQotIRDat5Za/+X1MZhET6ICew ZP7EU+BQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wAAbg-00000006t5E-1iuk; Tue, 07 Apr 2026 17:52:56 +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 1wAAbe-00000006t4S-1pYf for linux-riscv@lists.infradead.org; Tue, 07 Apr 2026 17:52:55 +0000 Received: by mail-pj1-x104a.google.com with SMTP id 98e67ed59e1d1-35842aa350fso12471708a91.0 for ; Tue, 07 Apr 2026 10:52:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1775584373; x=1776189173; 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=X/MSOJp/AJlf7hUTMD/NXnVkTNNfR/Z7vvW8KkUYbLI=; b=lVD4A2xvKTsWLov1gw1CL7FogtUwCXSx8aHHWRRjLvYfvK7huTvZ728lHLLwFLS1M9 X5s98fCXlTFOc6pmqXkTYkdI1OGFGxfKnChXpkxhtilydILQ1UEcr/aCkWGLjXCgYOzr puJK/0G885FRgbmwh5UHfIvg5i9SBsO7CT95304Ly00sNYqIoinb3jmczVqKiBT4cL1l bbg0toUgNwlS+p4BsEzynXXSp2ruivYQ8MmaE/P8321HJ5GNNWPORtuDkCmGNZw/Uzv+ 5DHZH5ubHMYcdoN8kbTHwbB1R7EnU7Mb2MKmJKxqb7/8s5FVPVknt2SAAMpBE9TfDOM7 Omvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775584373; x=1776189173; 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=X/MSOJp/AJlf7hUTMD/NXnVkTNNfR/Z7vvW8KkUYbLI=; b=XMKkiqfZeqX2wSC1oz9489EK+t5b/KtgaX8T0g/MqmamvrPewt9A1NP67BpgS/PjYI g4R7nrQNRdvfEg5v8nz61wa591uaFuRTG5TU0Q5DgfrcdrXckAsWVQquskrx5C1puCqS iuf/hpGA51cFjMtuUGwlm4LlINbWfKBkeoCFagOWhP9STDEXIrlL61etSZ61M1B5UT5K fNQInvO3A7sHzcj5w2Qvp+Y6C8dM5NX2J3D5jZS24cEjxXQYZSlVblZSH4qrOCuSVMz5 3hX651twleoLDYtGBAIPhMtU7VvfuMZhP4Axu48w950IzIFpPUxSbog6bBQCrFFDipj7 aL5A== X-Forwarded-Encrypted: i=1; AJvYcCWg/zEcvfI9DWeJ6Y1qaD5vxLtUEfNRCQMEzJe289o1i8oJDIhWdkGNI0B8h6uMLE9hYynPzcF2Wxe2xA==@lists.infradead.org X-Gm-Message-State: AOJu0YyUw1adJMGIDLUDBLyZRKlb7in+szWsXp2ztDWjLENNd68WNXBx J4n42WUNErQUzfym5fgHslegtT7CteCEMZvtYbtzMptpuyG3DtmqabXReyrYaaYa9skdG4LdcdF wvJ+4xg== X-Received: from pjps16.prod.google.com ([2002:a17:90a:a110:b0:35d:94b3:bd6b]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:2885:b0:35d:974d:8f7 with SMTP id 98e67ed59e1d1-35de679c8ecmr16179304a91.1.1775584372473; Tue, 07 Apr 2026 10:52:52 -0700 (PDT) Date: Tue, 7 Apr 2026 10:52:51 -0700 In-Reply-To: <2a216ee2-aebb-42ba-b2aa-826488448bbe@linux.alibaba.com> Mime-Version: 1.0 References: <545847c132da5d957cfc74ab19e849b16127aa8f.1773890510.git.baolin.wang@linux.alibaba.com> <67c670e2-c98f-490b-bbb9-2960f8175b5a@lucifer.local> <66e78b59-f96c-4277-b7d7-473b68ed413f@linux.alibaba.com> <2a216ee2-aebb-42ba-b2aa-826488448bbe@linux.alibaba.com> Message-ID: Subject: Re: [PATCH 6/6] mm: change to return bool for the MMU notifier's young flag check From: Sean Christopherson To: Baolin Wang Cc: "Lorenzo Stoakes (Oracle)" , akpm@linux-foundation.org, david@kernel.org, Liam.Howlett@oracle.com, vbabka@kernel.org, rppt@kernel.org, surenb@google.com, mhocko@suse.com, linux-arm-kernel@lists.infradead.org, x86@kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org, open , linux-kernel@vger.kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260407_105254_469873_6D066351 X-CRM114-Status: GOOD ( 12.51 ) 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 Tue, Apr 07, 2026, Baolin Wang wrote: > On 4/4/26 7:12 AM, Sean Christopherson wrote: > > On Fri, Mar 20, 2026, Baolin Wang wrote: > > > > > -static __always_inline int kvm_age_hva_range(struct mmu_notifier *mn, > > > > > - unsigned long start, > > > > > - unsigned long end, > > > > > - gfn_handler_t handler, > > > > > - bool flush_on_ret) > > > > > +static __always_inline bool kvm_age_hva_range(struct mmu_notifier *mn, > > > > > + unsigned long start, > > > > > + unsigned long end, > > > > > + gfn_handler_t handler, > > > > > + bool flush_on_ret) > > > > > > > > Can we please fix this terrrible indentation while we're here :)? > > > > > > > > static __always_inline bool kvm_age_hva_range(struct mmu_notifier *mn, > > > > unsigned long start, unsigned long end, gfn_handler_t handler, > > > > bool flush_on_ret) > > > > > > > > Would be nicer, thanks! > > > > No, please keep this as-is. KVM's preferred style is exactly this (and I personally > > find mm's style much harder to parse). > > Um, Andrew has already queued v2[1] into the mm-stable branch. Do you want > me to send a follow-up patch to restore the original KVM coding style? Nah, not worth the churn. Thanks though! _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv