From nobody Wed Feb 11 06:31:21 2026 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8900839A7E7 for ; Mon, 2 Feb 2026 22:31:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770071482; cv=none; b=Maku5s3Iup/WlRKMFwSrNaprL+OaXZ3DM2e/DcXNBymgNcnZEESzaIqQblICrAsC+UmvVvP5IeezThLQvpOgFiC38fTOb5TLbZpX87VTgmekFtY9ohfC84jp/H/vAQ0Nm2WxgXFv6jKVcHqMKpVPVkAmatpdFwh80AcwuCC6N+s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770071482; c=relaxed/simple; bh=uUk0S2BVuJ3WVVu8GlDY++t/M050M70+ZcrqbqgPgMQ=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=nAFcb4g0dPW1ywyY8EtohmN2RXPJzjFimTpzWFtmgd3LkFnSnzf9MZKO74iTvikDSfZLRGCEbU0k5WheuUzDuIWrgu7MOYETi8BIt5VAifJTsIxZNVtM2LyPcoCR6yeHbr8enBdSdpF17909VTKq+1OScc5qvFT5fA5UuNzVWTw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--ackerleytng.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=bj97y5Ns; arc=none smtp.client-ip=209.85.214.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--ackerleytng.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="bj97y5Ns" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-2a77040ede0so48766345ad.2 for ; Mon, 02 Feb 2026 14:31:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1770071481; x=1770676281; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=CvY5PdjeEdArYXhOoEPGmWzzemIVPGSONb/31dy+9Os=; b=bj97y5NstBNG+Z0r5RkkrDouMM4pEcUxusbV4nOKEacpDU/xmWRkcto52qxwzPjnH7 YILqATnEHHz40e/zHiDB/ps9ZHhYjegozyHOIxgWv6PHNwwsGvL5Kerl8IiNWswtDjJl J94s5EXSg7Ezf+nnuS8FvWeMY5VlgJhZTmsv4Tf4S6hK5iEtPdXFfkdxZawMv0pMqCT0 F7rnKsbk2FU4jtXpd3MPkh4CNDvOFFr9ytf3TLi0lofNBw8t5fOcVgtpg3DmE17IezUM V0YwHpQHtSLYHtJc3dAxV7REJ/3r4wWvoBjobepBrkntguuoSxE+BoHaOA3tdlEB0Amr 3TxA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770071481; x=1770676281; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=CvY5PdjeEdArYXhOoEPGmWzzemIVPGSONb/31dy+9Os=; b=lFHcIPUhDd50jL90QuCYnJN/70CWFijjBHMhE01+SJsOQsyFyWczww9hsfMND/aqLB rXr0Xs7Hqry9oALZwAgB1sNkYCVgla+86g+V9e+ef2ANjN5zeEaMhKbYqwGK0GVMzXzF KhW9bFZcnar080lRrkzZdPnzHh99aYX9uYpXGgi5eC0HOcsfK56pprqTweeR+VnZZk7z OjIPvUL1FxMsU+ZmTcJf2cMiAS9Q1b3nxzAqsWvNBwzMt0YDInocglRTqdv2Uuh6vy+3 J65IZbZ/UAi1TKGIy7NPIEWyppwLi98GXcLcaoCoOHtBZAv7k11t6FB462EqoTTIr7jN vYCg== X-Forwarded-Encrypted: i=1; AJvYcCXzDmZfxikmoFuKiaxc+72bQ/bD86GSE18Zc3FDOG0BXaBcW9NKEUklI3gFnATU5QwO1pLE2v3oRAD+79M=@vger.kernel.org X-Gm-Message-State: AOJu0YxYdcaprLXt/wxFMtKE+WAh/y4/QjMJ1afMtY4LioupTFC0j5Kg zk6meDwiSgEb/wwQ5IVpNRQqTlTQ89zm2cfCxg+yns3EtzO5ntGBL87W0CTf3cEyVX3guUSW+QG 307usR2xFVehZWc/y/d9ux4iLbQ== X-Received: from pll9.prod.google.com ([2002:a17:902:c209:b0:2a7:8fa1:30cd]) (user=ackerleytng job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:2bcc:b0:2a7:ca82:c198 with SMTP id d9443c01a7336-2a8d9593256mr131240535ad.6.1770071480922; Mon, 02 Feb 2026 14:31:20 -0800 (PST) Date: Mon, 2 Feb 2026 14:30:14 -0800 In-Reply-To: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.53.0.rc1.225.gd81095ad13-goog Message-ID: Subject: [RFC PATCH v2 36/37] KVM: selftests: Update pre-fault test to work with per-guest_memfd attributes From: Ackerley Tng To: kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-trace-kernel@vger.kernel.org, x86@kernel.org Cc: aik@amd.com, andrew.jones@linux.dev, binbin.wu@linux.intel.com, bp@alien8.de, brauner@kernel.org, chao.p.peng@intel.com, chao.p.peng@linux.intel.com, chenhuacai@kernel.org, corbet@lwn.net, dave.hansen@linux.intel.com, david@kernel.org, hpa@zytor.com, ira.weiny@intel.com, jgg@nvidia.com, jmattson@google.com, jroedel@suse.de, jthoughton@google.com, maobibo@loongson.cn, mathieu.desnoyers@efficios.com, maz@kernel.org, mhiramat@kernel.org, michael.roth@amd.com, mingo@redhat.com, mlevitsk@redhat.com, oupton@kernel.org, pankaj.gupta@amd.com, pbonzini@redhat.com, prsampat@amd.com, qperret@google.com, ricarkol@google.com, rick.p.edgecombe@intel.com, rientjes@google.com, rostedt@goodmis.org, seanjc@google.com, shivankg@amd.com, shuah@kernel.org, steven.price@arm.com, tabba@google.com, tglx@linutronix.de, vannapurve@google.com, vbabka@suse.cz, willy@infradead.org, wyihan@google.com, yan.y.zhao@intel.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Sean Christopherson Skip setting memory to private in the pre-fault memory test when using per-gmem memory attributes, as memory is initialized to private by default for guest_memfd, and using vm_mem_set_private() on a guest_memfd instance requires creating guest_memfd with GUEST_MEMFD_FLAG_MMAP (which is totally doable, but would need to be conditional and is ultimately unnecessary). Signed-off-by: Sean Christopherson --- tools/testing/selftests/kvm/pre_fault_memory_test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/kvm/pre_fault_memory_test.c b/tools/te= sting/selftests/kvm/pre_fault_memory_test.c index 93e603d91311..831b612449ec 100644 --- a/tools/testing/selftests/kvm/pre_fault_memory_test.c +++ b/tools/testing/selftests/kvm/pre_fault_memory_test.c @@ -187,7 +187,7 @@ static void __test_pre_fault_memory(unsigned long vm_ty= pe, bool private) TEST_NPAGES, private ? KVM_MEM_GUEST_MEMFD : 0); virt_map(vm, gva, gpa, TEST_NPAGES); =20 - if (private) + if (!kvm_has_gmem_attributes && private) vm_mem_set_private(vm, gpa, TEST_SIZE); =20 pre_fault_memory(vcpu, gpa, 0, SZ_2M, 0, private); --=20 2.53.0.rc1.225.gd81095ad13-goog