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[175.34.62.5]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b2f5f782283sm4196986a12.54.2025.06.08.16.43.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 08 Jun 2025 16:44:05 -0700 (PDT) Message-ID: Date: Mon, 9 Jun 2025 09:43:43 +1000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v11 18/18] KVM: selftests: guest_memfd mmap() test when mapping is allowed To: Fuad Tabba , kvm@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-mm@kvack.org, kvmarm@lists.linux.dev Cc: pbonzini@redhat.com, chenhuacai@kernel.org, mpe@ellerman.id.au, anup@brainfault.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, seanjc@google.com, viro@zeniv.linux.org.uk, brauner@kernel.org, willy@infradead.org, akpm@linux-foundation.org, xiaoyao.li@intel.com, yilun.xu@intel.com, chao.p.peng@linux.intel.com, jarkko@kernel.org, amoorthy@google.com, dmatlack@google.com, isaku.yamahata@intel.com, mic@digikod.net, vbabka@suse.cz, vannapurve@google.com, ackerleytng@google.com, mail@maciej.szmigiero.name, david@redhat.com, michael.roth@amd.com, wei.w.wang@intel.com, liam.merwick@oracle.com, isaku.yamahata@gmail.com, kirill.shutemov@linux.intel.com, suzuki.poulose@arm.com, steven.price@arm.com, quic_eberman@quicinc.com, quic_mnalajal@quicinc.com, quic_tsoni@quicinc.com, quic_svaddagi@quicinc.com, quic_cvanscha@quicinc.com, quic_pderrin@quicinc.com, quic_pheragu@quicinc.com, catalin.marinas@arm.com, james.morse@arm.com, yuzenghui@huawei.com, oliver.upton@linux.dev, maz@kernel.org, will@kernel.org, qperret@google.com, keirf@google.com, roypat@amazon.co.uk, shuah@kernel.org, hch@infradead.org, jgg@nvidia.com, rientjes@google.com, jhubbard@nvidia.com, fvdl@google.com, hughd@google.com, jthoughton@google.com, peterx@redhat.com, pankaj.gupta@amd.com, ira.weiny@intel.com References: <20250605153800.557144-1-tabba@google.com> <20250605153800.557144-19-tabba@google.com> From: Gavin Shan In-Reply-To: <20250605153800.557144-19-tabba@google.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: AqkUwbK-korvnhwBHVEdcrap8rPtC4K7IysKM2qbaNg_1749426246 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 8AFB5C0003 X-Stat-Signature: pb7ano6j984tt4fdfxskpryuynknskqp X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1749426248-509488 X-HE-Meta: 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 9cT9shh0 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 6/6/25 1:38 AM, Fuad Tabba wrote: > Expand the guest_memfd selftests to include testing mapping guest > memory for VM types that support it. > > Co-developed-by: Ackerley Tng > Signed-off-by: Ackerley Tng > Signed-off-by: Fuad Tabba > --- > .../testing/selftests/kvm/guest_memfd_test.c | 201 ++++++++++++++++-- > 1 file changed, 180 insertions(+), 21 deletions(-) > > diff --git a/tools/testing/selftests/kvm/guest_memfd_test.c b/tools/testing/selftests/kvm/guest_memfd_test.c > index 341ba616cf55..1612d3adcd0d 100644 > --- a/tools/testing/selftests/kvm/guest_memfd_test.c > +++ b/tools/testing/selftests/kvm/guest_memfd_test.c > @@ -13,6 +13,8 @@ > Reviewed-by: Gavin Shan