From: Jason Gunthorpe <jgg@ziepe.ca>
To: Yu Zhao <yuzhao@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Alistair Popple <apopple@nvidia.com>,
Anup Patel <anup@brainfault.org>, Ben Gardon <bgardon@google.com>,
Borislav Petkov <bp@alien8.de>,
Catalin Marinas <catalin.marinas@arm.com>,
Chao Peng <chao.p.peng@linux.intel.com>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Dave Hansen <dave.hansen@linux.intel.com>,
Fabiano Rosas <farosas@linux.ibm.com>,
Gaosheng Cui <cuigaosheng1@huawei.com>,
Gavin Shan <gshan@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Ingo Molnar <mingo@redhat.com>, James Morse <james.morse@arm.com>,
"Jason A. Donenfeld" <Jason@zx2c4.com>,
Jonathan Corbet <corbet@lwn.net>, Marc Zyngier <maz@kernel.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Michael Larabel <michael@michaellarabel.com>,
Mike Rapoport <rppt@kernel.org>,
Nicholas Piggin <npiggin@gmail.com>,
Oliver Upton <oliver.upton@linux.dev>,
Paul Mackerras <paulus@ozlabs.org>, Peter Xu <peterx@redhat.com>,
Sean Christopherson <seanjc@google.com>,
Steven Rostedt <rostedt@goodmis.org>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Thomas Huth <thuth@redhat.com>, Will Deacon <will@kernel.org>,
Zenghui Yu <yuzenghui@huawei.com>,
kvmarm@lists.linux.dev, kvm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linuxppc-dev@lists.ozlabs.org,
linux-trace-kernel@vger.kernel.org, x86@kernel.org,
linux-mm@google.com
Subject: Re: [PATCH mm-unstable v2 01/10] mm/kvm: add mmu_notifier_ops->test_clear_young()
Date: Wed, 31 May 2023 16:17:05 -0300 [thread overview]
Message-ID: <ZHedMX470b7EMwbe@ziepe.ca> (raw)
In-Reply-To: <20230526234435.662652-2-yuzhao@google.com>
On Fri, May 26, 2023 at 05:44:26PM -0600, Yu Zhao wrote:
> @@ -122,6 +124,10 @@ struct mmu_notifier_ops {
> struct mm_struct *mm,
> unsigned long address);
>
> + int (*test_clear_young)(struct mmu_notifier *mn, struct mm_struct *mm,
> + unsigned long start, unsigned long end,
> + bool clear, unsigned long *bitmap);
> +
Why leave clear_young behind? Just make a NULL bitmap mean
clear_young?
Jason
next prev parent reply other threads:[~2023-05-31 19:17 UTC|newest]
Thread overview: 127+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-26 23:44 [PATCH mm-unstable v2 00/10] mm/kvm: locklessly clear the accessed bit Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-26 23:44 ` [PATCH mm-unstable v2 01/10] mm/kvm: add mmu_notifier_ops->test_clear_young() Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-31 19:17 ` Jason Gunthorpe [this message]
2023-06-09 9:04 ` Paolo Bonzini
2023-06-09 9:04 ` Paolo Bonzini
2023-06-09 9:04 ` Paolo Bonzini
2023-06-06 8:34 ` Tzung-Bi Shih
2023-06-06 8:34 ` Tzung-Bi Shih
2023-06-06 8:34 ` Tzung-Bi Shih
2023-06-09 1:00 ` Yu Zhao
2023-06-09 1:00 ` Yu Zhao
2023-06-09 1:00 ` Yu Zhao
2023-06-15 17:42 ` Sean Christopherson
2023-06-15 17:42 ` Sean Christopherson
2023-06-15 17:42 ` Sean Christopherson
2023-06-20 7:30 ` Nicholas Piggin
2023-06-20 7:30 ` Nicholas Piggin
2023-06-20 7:30 ` Nicholas Piggin
2023-05-26 23:44 ` [PATCH mm-unstable v2 02/10] mm/kvm: use mmu_notifier_ops->test_clear_young() Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-31 19:20 ` Jason Gunthorpe
2023-05-26 23:44 ` [PATCH mm-unstable v2 03/10] kvm/arm64: export stage2_try_set_pte() and macros Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-26 23:44 ` [PATCH mm-unstable v2 04/10] kvm/arm64: make stage2 page tables RCU safe Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-27 18:08 ` Oliver Upton
2023-05-27 18:08 ` Oliver Upton
2023-05-27 18:08 ` Oliver Upton
2023-05-27 20:13 ` Yu Zhao
2023-05-27 20:13 ` Yu Zhao
2023-05-27 20:13 ` Yu Zhao
2023-05-30 19:37 ` Oliver Upton
2023-05-30 19:37 ` Oliver Upton
2023-05-30 19:37 ` Oliver Upton
2023-05-30 20:06 ` Yu Zhao
2023-05-30 20:06 ` Yu Zhao
2023-05-30 20:06 ` Yu Zhao
2023-05-31 19:28 ` Oliver Upton
2023-05-31 23:10 ` Yu Zhao
2023-05-31 23:10 ` Yu Zhao
2023-05-31 23:10 ` Yu Zhao
2023-05-31 23:22 ` Oliver Upton
2023-05-31 23:22 ` Oliver Upton
2023-05-31 23:22 ` Oliver Upton
2023-05-31 23:41 ` Yu Zhao
2023-05-31 23:41 ` Yu Zhao
2023-05-31 23:41 ` Yu Zhao
2023-05-26 23:44 ` [PATCH mm-unstable v2 05/10] kvm/arm64: add kvm_arch_test_clear_young() Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-31 19:56 ` Oliver Upton
2023-05-31 21:12 ` Yu Zhao
2023-05-31 21:12 ` Yu Zhao
2023-05-31 21:12 ` Yu Zhao
2023-05-26 23:44 ` [PATCH mm-unstable v2 06/10] kvm/powerpc: make radix page tables RCU safe Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-06-20 6:32 ` Nicholas Piggin
2023-06-20 6:32 ` Nicholas Piggin
2023-06-20 6:32 ` Nicholas Piggin
2023-06-20 8:00 ` Yu Zhao
2023-06-20 8:00 ` Yu Zhao
2023-06-20 8:00 ` Yu Zhao
2023-06-20 10:49 ` Nicholas Piggin
2023-06-20 10:49 ` Nicholas Piggin
2023-06-20 10:49 ` Nicholas Piggin
2023-05-26 23:44 ` [PATCH mm-unstable v2 07/10] kvm/powerpc: add kvm_arch_test_clear_young() Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-06-20 7:47 ` Nicholas Piggin
2023-06-20 7:47 ` Nicholas Piggin
2023-06-20 7:47 ` Nicholas Piggin
2023-06-21 0:38 ` Yu Zhao
2023-06-21 0:38 ` Yu Zhao
2023-06-21 0:38 ` Yu Zhao
2023-06-21 2:51 ` Nicholas Piggin
2023-06-21 2:51 ` Nicholas Piggin
2023-06-21 2:51 ` Nicholas Piggin
2023-05-26 23:44 ` [PATCH mm-unstable v2 08/10] kvm/x86: move tdp_mmu_enabled and shadow_accessed_mask Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-06-15 16:59 ` Sean Christopherson
2023-06-15 16:59 ` Sean Christopherson
2023-06-15 16:59 ` Sean Christopherson
2023-05-26 23:44 ` [PATCH mm-unstable v2 09/10] kvm/x86: add kvm_arch_test_clear_young() Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-06-09 9:06 ` Paolo Bonzini
2023-06-09 9:06 ` Paolo Bonzini
2023-06-09 9:06 ` Paolo Bonzini
2023-06-15 18:26 ` Sean Christopherson
2023-06-15 18:26 ` Sean Christopherson
2023-06-15 18:26 ` Sean Christopherson
2023-05-26 23:44 ` [PATCH mm-unstable v2 10/10] mm: multi-gen LRU: use mmu_notifier_test_clear_young() Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-05-26 23:44 ` Yu Zhao
2023-06-09 0:59 ` kvm/arm64: Spark benchmark Yu Zhao
2023-06-09 0:59 ` Yu Zhao
2023-06-09 0:59 ` Yu Zhao
2023-06-09 13:04 ` Marc Zyngier
2023-06-09 13:04 ` Marc Zyngier
2023-06-09 13:04 ` Marc Zyngier
2023-06-18 20:11 ` Yu Zhao
2023-06-18 20:11 ` Yu Zhao
2023-06-18 20:11 ` Yu Zhao
2023-06-09 0:59 ` kvm/powerpc: memcached benchmark Yu Zhao
2023-06-09 0:59 ` Yu Zhao
2023-06-09 0:59 ` Yu Zhao
2023-06-09 0:59 ` kvm/x86: multichase benchmark Yu Zhao
2023-06-09 0:59 ` Yu Zhao
2023-06-09 0:59 ` Yu Zhao
2023-06-18 19:19 ` Yu Zhao
2023-06-18 19:19 ` Yu Zhao
2023-06-18 19:19 ` Yu Zhao
2023-06-09 9:07 ` [PATCH mm-unstable v2 00/10] mm/kvm: locklessly clear the accessed bit Paolo Bonzini
2023-06-09 9:07 ` Paolo Bonzini
2023-06-09 9:07 ` Paolo Bonzini
2023-06-20 2:19 ` Yu Zhao
2023-06-20 2:19 ` Yu Zhao
2023-06-20 2:19 ` Yu Zhao
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