From: Catalin Marinas <catalin.marinas@arm.com>
To: Raghavendra Rao Ananta <rananta@google.com>
Cc: Oliver Upton <oliver.upton@linux.dev>,
Marc Zyngier <maz@kernel.org>, James Morse <james.morse@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Ricardo Koller <ricarkol@google.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Jing Zhang <jingzhangos@google.com>,
Colton Lewis <coltonlewis@google.com>,
linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH v3 1/7] arm64: tlb: Refactor the core flush algorithm of __flush_tlb_range
Date: Mon, 17 Apr 2023 17:17:47 +0100 [thread overview]
Message-ID: <ZD1xK7aKyBgGsQiF@arm.com> (raw)
In-Reply-To: <20230414172922.812640-2-rananta@google.com>
On Fri, Apr 14, 2023 at 05:29:16PM +0000, Raghavendra Rao Ananta wrote:
> Currently, the core TLB flush functionality of __flush_tlb_range()
> hardcodes vae1is (and variants) for the flush operation. In the
> upcoming patches, the KVM code reuses this core algorithm with
> ipas2e1is for range based TLB invalidations based on the IPA.
> Hence, extract the core flush functionality of __flush_tlb_range()
> into its own macro that accepts an 'op' argument to pass any
> TLBI operation, such that other callers (KVM) can benefit.
>
> No functional changes intended.
>
> Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
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next prev parent reply other threads:[~2023-04-17 16:18 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-14 17:29 [PATCH v3 0/7] KVM: arm64: Add support for FEAT_TLBIRANGE Raghavendra Rao Ananta
2023-04-14 17:29 ` [PATCH v3 1/7] arm64: tlb: Refactor the core flush algorithm of __flush_tlb_range Raghavendra Rao Ananta
2023-04-17 16:17 ` Catalin Marinas [this message]
2023-04-14 17:29 ` [PATCH v3 2/7] KVM: arm64: Implement __kvm_tlb_flush_vmid_range() Raghavendra Rao Ananta
[not found] ` <ZF5uRWtvhhqZSQCa@linux.dev>
2023-05-16 17:17 ` Raghavendra Rao Ananta
2023-04-14 17:29 ` [PATCH v3 3/7] KVM: arm64: Implement kvm_arch_flush_remote_tlbs_range() Raghavendra Rao Ananta
2023-04-14 17:29 ` [PATCH v3 4/7] KVM: arm64: Flush only the memslot after write-protect Raghavendra Rao Ananta
2023-04-14 17:29 ` [PATCH v3 5/7] KVM: arm64: Invalidate the table entries upon a range Raghavendra Rao Ananta
2023-04-14 17:29 ` [PATCH v3 6/7] KVM: arm64: Add 'skip_flush' arg to stage2_put_pte() Raghavendra Rao Ananta
[not found] ` <ZF51f5tYPjK1aCpd@linux.dev>
2023-05-16 17:32 ` Raghavendra Rao Ananta
2023-04-14 17:29 ` [PATCH v3 7/7] KVM: arm64: Use TLBI range-based intructions for unmap Raghavendra Rao Ananta
[not found] ` <ZF5xLrr2tEYdLL1i@linux.dev>
2023-05-16 17:21 ` Raghavendra Rao Ananta
2023-05-16 18:46 ` Oliver Upton
2023-05-16 18:54 ` Raghavendra Rao Ananta
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