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[31.30.173.70]) by smtp.gmail.com with ESMTPSA id qf22sm5908178ejc.85.2021.12.28.01.37.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Dec 2021 01:37:15 -0800 (PST) Date: Tue, 28 Dec 2021 10:37:13 +0100 From: Andrew Jones To: Marc Zyngier Cc: Paolo Bonzini , James Morse , Suzuki K Poulose , Alexandru Elisei , kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel-team@android.com Subject: Re: [PATCH v2 1/6] KVM: selftests: arm64: Initialise default guest mode at test startup time Message-ID: <20211228093713.moolqqxijvtt5gj7@gator.home> References: <20211227124809.1335409-1-maz@kernel.org> <20211227124809.1335409-2-maz@kernel.org> MIME-Version: 1.0 In-Reply-To: <20211227124809.1335409-2-maz@kernel.org> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=drjones@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211228_013722_130774_66D5E56A X-CRM114-Status: GOOD ( 18.41 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Dec 27, 2021 at 12:48:04PM +0000, Marc Zyngier wrote: > As we are going to add support for a variable default mode on arm64, > let's make sure it is setup first by using a constructor that gets > called before the actual test runs. > > Suggested-by: Andrew Jones > Signed-off-by: Marc Zyngier > --- > tools/testing/selftests/kvm/lib/aarch64/processor.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c > index b4eeeafd2a70..b509341b8411 100644 > --- a/tools/testing/selftests/kvm/lib/aarch64/processor.c > +++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c > @@ -432,3 +432,12 @@ uint32_t guest_get_vcpuid(void) > { > return read_sysreg(tpidr_el1); > } > + > +/* > + * arm64 doesn't have a true default mode, so start by computing the > + * available IPA space and page sizes early. > + */ > +void __attribute__((constructor)) init_guest_modes(void) > +{ > + guest_modes_append_default(); > +} > -- > 2.30.2 > Reviewed-by: Andrew Jones _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel