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AJvYcCXFWQSQF47oaV3vHgGo6C1eIg7+wtmp4/M/6fXw0m7CpLrzE58z4OI+F7sxk1ptWKQ3pRuLQK33l7na@vger.kernel.org X-Gm-Message-State: AOJu0Yy6eZNxGJWVhk80HPxyfm7FzYHknqkv7E2Ni2wDbK/i1Lbi3dR1 cIcPw0H/9O9UlGcx6dHpb5iNKEh2Ds+KF66G3oFfrHcbKFUhbSnw3VoPcaEBgdFsAqg7lqo8EWV 1b9o0Pg== 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: linux-s390@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!