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Date: Tue, 10 Aug 2021 14:21:24 +0100 From: Will Deacon <will@...nel.org> To: Anshuman Khandual <anshuman.khandual@....com> Cc: linux-arm-kernel@...ts.infradead.org, Marc Zyngier <maz@...nel.org>, James Morse <james.morse@....com>, Alexandru Elisei <alexandru.elisei@....com>, Suzuki K Poulose <suzuki.poulose@....com>, Catalin Marinas <catalin.marinas@....com>, kvmarm@...ts.cs.columbia.edu, linux-kernel@...r.kernel.org Subject: Re: [PATCH 2/5] KVM: arm64: Drop init_common_resources() On Tue, Aug 10, 2021 at 12:32:38PM +0530, Anshuman Khandual wrote: > Could do without this additional indirection via init_common_resources() by > just calling kvm_set_ipa_limit() directly instead. This change saves memory > and cycles. Does it? Really? Will > diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c > index e9a2b8f27792..19560e457c11 100644 > --- a/arch/arm64/kvm/arm.c > +++ b/arch/arm64/kvm/arm.c > @@ -1696,11 +1696,6 @@ static bool init_psci_relay(void) > return true; > } > > -static int init_common_resources(void) > -{ > - return kvm_set_ipa_limit(); > -} > - > static int init_subsystems(void) > { > int err = 0; > @@ -2102,7 +2097,7 @@ int kvm_arch_init(void *opaque) > } > } > > - err = init_common_resources(); > + err = kvm_set_ipa_limit(); > if (err) > return err; > > -- > 2.20.1 >
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