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Message-ID: <60a2cc0e-df09-4305-6bfc-25b3d864040a@redhat.com>
Date: Fri, 11 Aug 2023 11:16:06 +0800
From: Shaoqin Huang <shahuang@...hat.com>
To: Raghavendra Rao Ananta <rananta@...gle.com>,
Oliver Upton <oliver.upton@...ux.dev>,
Marc Zyngier <maz@...nel.org>,
James Morse <james.morse@....com>,
Suzuki K Poulose <suzuki.poulose@....com>
Cc: Paolo Bonzini <pbonzini@...hat.com>,
Sean Christopherson <seanjc@...gle.com>,
Huacai Chen <chenhuacai@...nel.org>,
Zenghui Yu <yuzenghui@...wei.com>,
Anup Patel <anup@...infault.org>,
Atish Patra <atishp@...shpatra.org>,
Jing Zhang <jingzhangos@...gle.com>,
Reiji Watanabe <reijiw@...gle.com>,
Colton Lewis <coltonlewis@...gle.com>,
David Matlack <dmatlack@...gle.com>,
Fuad Tabba <tabba@...gle.com>,
linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev,
linux-mips@...r.kernel.org, kvm-riscv@...ts.infradead.org,
linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
kvm@...r.kernel.org
Subject: Re: [PATCH v8 08/14] arm64: tlb: Implement __flush_s2_tlb_range_op()
On 8/9/23 07:13, Raghavendra Rao Ananta wrote:
> Define __flush_s2_tlb_range_op(), as a wrapper over
> __flush_tlb_range_op(), for stage-2 specific range-based TLBI
> operations that doesn't necessarily have to deal with 'asid'
> and 'tlbi_user' arguments.
>
> Signed-off-by: Raghavendra Rao Ananta <rananta@...gle.com>
Reviewed-by: Shaoqin Huang <shahuang@...hat.com>
> ---
> arch/arm64/include/asm/tlbflush.h | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlbflush.h
> index b9475a852d5be..93f4b397f9a12 100644
> --- a/arch/arm64/include/asm/tlbflush.h
> +++ b/arch/arm64/include/asm/tlbflush.h
> @@ -340,6 +340,9 @@ do { \
> } \
> } while (0)
>
> +#define __flush_s2_tlb_range_op(op, start, pages, stride, tlb_level) \
> + __flush_tlb_range_op(op, start, pages, stride, 0, tlb_level, false)
> +
> static inline void __flush_tlb_range(struct vm_area_struct *vma,
> unsigned long start, unsigned long end,
> unsigned long stride, bool last_level,
--
Shaoqin
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