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[34.91.20.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ac3efb6588esm1066894166b.90.2025.03.26.09.44.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Mar 2025 09:44:32 -0700 (PDT) Date: Wed, 26 Mar 2025 16:44:28 +0000 From: Quentin Perret To: Sebastian Ene Cc: catalin.marinas@arm.com, joey.gouly@arm.com, maz@kernel.org, oliver.upton@linux.dev, snehalreddy@google.com, sudeep.holla@arm.com, suzuki.poulose@arm.com, vdonnefort@google.com, will@kernel.org, yuzenghui@huawei.com, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-team@android.com Subject: Re: [PATCH v4 1/3] KVM: arm64: Use the static initializer for the version lock Message-ID: References: <20250326113901.3308804-1-sebastianene@google.com> <20250326113901.3308804-2-sebastianene@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250326113901.3308804-2-sebastianene@google.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250326_094435_525239_886EB0A9 X-CRM114-Status: GOOD ( 17.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wednesday 26 Mar 2025 at 11:38:59 (+0000), Sebastian Ene wrote: > Replace the definition of the hypervisor version lock > with a static initializer. > > Signed-off-by: Sebastian Ene > Acked-by: Will Deacon Reviewed-by: Quentin Perret > --- > arch/arm64/kvm/hyp/nvhe/ffa.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c > index e433dfab882a..6df6131f1107 100644 > --- a/arch/arm64/kvm/hyp/nvhe/ffa.c > +++ b/arch/arm64/kvm/hyp/nvhe/ffa.c > @@ -69,7 +69,7 @@ static struct kvm_ffa_buffers hyp_buffers; > static struct kvm_ffa_buffers host_buffers; > static u32 hyp_ffa_version; > static bool has_version_negotiated; > -static hyp_spinlock_t version_lock; > +static DEFINE_HYP_SPINLOCK(version_lock); > > static void ffa_to_smccc_error(struct arm_smccc_res *res, u64 ffa_errno) > { > @@ -911,6 +911,5 @@ int hyp_ffa_init(void *pages) > .lock = __HYP_SPIN_LOCK_UNLOCKED, > }; > > - version_lock = __HYP_SPIN_LOCK_UNLOCKED; > return 0; > } > -- > 2.49.0.395.g12beb8f557-goog >