linux-kernel - [PATCH 2/5] KVM: arm64: Drop init_common

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Date:   Tue, 10 Aug 2021 12:32:38 +0530
From:   Anshuman Khandual <anshuman.khandual@....com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Anshuman Khandual <anshuman.khandual@....com>,
        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>,
        Will Deacon <will@...nel.org>, kvmarm@...ts.cs.columbia.edu,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/5] KVM: arm64: Drop init_common_resources()

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.

Cc: Marc Zyngier <maz@...nel.org>
Cc: James Morse <james.morse@....com>
Cc: Alexandru Elisei <alexandru.elisei@....com>
Cc: Suzuki K Poulose <suzuki.poulose@....com>
Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Will Deacon <will@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: kvmarm@...ts.cs.columbia.edu
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
---
 arch/arm64/kvm/arm.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

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