From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f202.google.com (mail-pg1-f202.google.com [209.85.215.202]) (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 8614829A9FE for ; Wed, 10 Jun 2026 17:59:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781114361; cv=none; b=pUMwOtQC7p89GCNBFUrqSc73FPbtm+veFyw+RrgLPBviq3YHiqnaVKnn52Mh//joxhsVisRbef9b5EZL/AfbZa1JoWmK4tNA6BGwwpXhEA5Shp1PgGPqFbcf5HkbW5uPZTztnkXNwW0zu2aH2q44ieMqRM0JdcsyN+M/qpdNNvg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781114361; c=relaxed/simple; bh=ooQLKDt4t/umsUYSpGFIHEX7BwMgJ6SDbR70bsEWiv8=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=HAz78CM99ndxlqAVhhSKNnYhuaw4ZJNJ8o4Adh3I08sqzOowpK/Z+Vki/O8YHGG8bZ0PQva0KKqOYBSFJealtWM3dYrOr1BUpz+L6GhytltiPnDCzQ+1VrfSUJozPYhtE2Sj3yyHP8mKtNUsJaJNB0AWic1i08pGytIQCp1JJxM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=uS99sxT4; arc=none smtp.client-ip=209.85.215.202 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--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="uS99sxT4" Received: by mail-pg1-f202.google.com with SMTP id 41be03b00d2f7-c857ebbb0easo52280a12.1 for ; Wed, 10 Jun 2026 10:59:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1781114360; x=1781719160; 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=eUrC+jAn2iYzK3cyoAqLDZt/8SWBUONJdIH1jABrZ7Y=; b=uS99sxT4TS+HKgVBsegCJzGGFhOP5gUFRc6fMVWN9MDz2i6or8KSVzsvlknlT7ff9k 5ON/PVF8Nz77HlxIfMqRyDpxP9grKB84qrOsVIcjIc2P8NmM6ala1NT1dt/RZ1LE9KAZ nNbYO8m4y76hrdQtJyvywEgodMtS66cXPzMPE+0qOXc/tjKeHkVRTy1zuVOQwCT99rQm xUmW9jempWGCHOWmYQEOeUcZ8cQY2+hLEA0H95NC0eM9N1JzF/YF1sBnQE2aO2B5PseP 8zXa1IaN2sk8PVAJwvrbsReqrLURTUjf/cviCwcK9ggc8n2kFuWyFnkUhSNLWaSiry2n mhvQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781114360; x=1781719160; 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=eUrC+jAn2iYzK3cyoAqLDZt/8SWBUONJdIH1jABrZ7Y=; b=dLfWJZHqAYmH2x5PNWFw5yvT24WOHjhrBSAiW9pCAryjdZhfkzXswOtXBFQiFsYJ63 PcR4xJTtzwISAD1OT2YslJA+yLajHVzMpvNTGE/6moOJJ7v2fi/vB/ecvqizsHfdQnaN ZtKGCszjVgMOkylQDRV6UM2S2YJegXeQKPMERrrY00Apdak7Z0i2FQSMlGLBgpXjS5zW zmZ3ehIL4iXO1zaD31w1eFklWSWYg4P5nuZ8J51Woa+EIjG2D+jm9Q4LSusfeg5TxinZ K2jJELJ6E/K/qSeFnDQvsjiwLmRJ1mJRKGDsFsO6V+JDjk7a1XSJ3JA6r/yWBj89N2pk e4Ww== X-Forwarded-Encrypted: i=1; AFNElJ/GKh/eLFgwg+i22d+Bs7MlCxNkDv1EqIZKGLFhV0cKLrjAI4eLXmVIFUuI8cV8y6PgV3nuZQJIq3lVh24=@vger.kernel.org X-Gm-Message-State: AOJu0YzQO5Sb938sNOQfKg7WCFD0GF/G/0nmIVo5XTSl0fDGBt9NhJwL v6bCKD2TilM2u/yKatG81TODb6GP/hkj8+rB6TWUjwvZpJx9jJZRB2cnDQpX9/azWMSfT+UV8xA C1rnksA== X-Received: from pjut3.prod.google.com ([2002:a17:90a:d503:b0:36b:bc13:f5a6]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:3f46:b0:35f:b9f1:fded with SMTP id 98e67ed59e1d1-3713336f91fmr19807082a91.12.1781114359586; Wed, 10 Jun 2026 10:59:19 -0700 (PDT) Date: Wed, 10 Jun 2026 10:59:18 -0700 In-Reply-To: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: Message-ID: Subject: Re: [PATCH v3 RESEND 04/10] KVM: PPC: selftests: powerpc enable kvm_create_max_vcpus test From: Sean Christopherson To: "Ritesh Harjani (IBM)" Cc: kvm@vger.kernel.org, Paolo Bonzini , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Michael Ellerman , Christophe Leroy , Anushree Mathur , Venkat Rao Bagalkote , Harsh Prateek Bora , Ackerley Tng , Christian Borntraeger , Claudio Imbrenda , Nicholas Piggin Content-Type: text/plain; charset="us-ascii" On Wed, Jun 10, 2026, Ritesh Harjani (IBM) wrote: > From: Nicholas Piggin > > powerpc's maximum permitted vCPU ID depends on the VM's SMT mode, and > the maximum reported by KVM_CAP_MAX_VCPU_ID exceeds a simple non-SMT > VM's limit. > > The powerpc KVM selftest port uses non-SMT VMs, so add a workaround > to the kvm_create_max_vcpus test case to limit vCPU IDs to > KVM_CAP_MAX_VCPUS on powerpc. How is this not a KVM bug? Literally the reason this test exists is to validate KVM's advertised KVM_CAP_MAX_VCPU_ID and KVM_CAP_MAX_VCPUS.