From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f202.google.com (mail-pf1-f202.google.com [209.85.210.202]) (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 53BC84EB2B for ; Tue, 9 Apr 2024 02:01:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712628097; cv=none; b=Hfh+j5d8GagJElfzbFkKClA/zVhRTlnn/lElN/jbR04j0XZtzj9C4w7FaT4sGYzVFsAl77F4xqG7HlViomrx2Eik0fIv8P3fiqQ8net/ktt4jP+SU9tz9Kk5Uo/KmJGQU9AUZzlkOQvgSxEVrQPKYhDdoZhwKoAQYl1CCpLgD4g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712628097; c=relaxed/simple; bh=sm/kJHlwnGkxq+r3r+WnQ4vu7gf2HJ259P+aphQyMUM=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=MbFtIx3MPeY24kJa/N4DJEhQGMO23A4BKHKLyQuXvbjv75JWE35Xyp24Jxo7dqXvMvYF+E3/Kz2StqV0ZpPyQIU3ZvzE2n78Dv2gNNtFQCMPMgJnxbTi5lX7SP56nlE7RguhaQtrYFUfOIyeguyMTFAJ367KTBaL/fEa04Txj1U= 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=js+/vL6f; arc=none smtp.client-ip=209.85.210.202 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="js+/vL6f" Received: by mail-pf1-f202.google.com with SMTP id d2e1a72fcca58-6ecea48eb37so4578825b3a.1 for ; Mon, 08 Apr 2024 19:01:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1712628096; x=1713232896; 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=gSUZDkTRN8Lf9eVIN9/jjFC+upw3wKsPHOurrDIqp1Y=; b=js+/vL6fmf+wlZL4Bfxq+VxSWwYSUeQCdiTrgNFNV0rG5tptzKbFAudqE3ktfg/rOT cjuQdtk3e2g/BLAZrZTThTq72OgQVgsyJw2tnp6B8+koEpypDHx6Kqk2oYgAwHPmDDPe 8Q5W0dUWEJAK+IL/xuwWglIsOfQbf5I+WEHQbwebELsqqoioMuQ31JUaJEvsk0qaok+Y N9vbxGJR8IvcF6WdCNQZO0i0T/PKIcnM+NBrGJ/rW8v0t8JcRbd7uWEOtEbyL64OzqOz nUHw3F8jaP6DjJHIaRjpxZIkzPi4ldLhDkR90OG4KvAD42WL1TZG51x2AtCxqgTaO7eq PUfQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712628096; x=1713232896; 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=gSUZDkTRN8Lf9eVIN9/jjFC+upw3wKsPHOurrDIqp1Y=; b=FJOpbfX5FHBsxhVJlEg7/q5ET9eAozqy62pG+7pcrNA4ge7v0KlbeBjNd8xCsYGFzo IYXgw+cqpVBm0XE6lAuC5SP6UGAIKHGmnMoiT7Otyxv3y2Fe3Ha36hc2N98RNqLr50UU +q79OZbSOJ5tqhn2KlJYbeBA5O5BxKVJCjxmUnuo0pci9pZYlSWli/L3h+iku2kSj5T8 sFDGfcpID6yTGTMv0BUhRU8gS/k6ZMDlNLXIDOgCXXpHu/QyTY6IBntiN5lhOBfBntM4 ixKClRaYFyXTXbgs1J3y9rAuA2hNZ6UBrjiV7Zz9cFjl56YokAPIZZjLh4rVzlFv8im/ jV8w== X-Gm-Message-State: AOJu0YwU2TZU6RoM6WI9JXkntthA81LDOC/l2UcrmePDozcPiEbTgGrJ UVqen0g6qvs7zGrh0TfIU9Ow9l8DCeJWoEj/fKlZKuhF0S8xdgDFzeA7uF/xEiT11VAUuA7jIUz LAA== X-Google-Smtp-Source: AGHT+IE6nR2DC5wdy64yV/43loYGn3aGmMN2LEIwaDNnYU0U8x24E0N5tzdwMWkKyO5QuQqHxkxQHk1i5Vg= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a05:6a00:92a6:b0:6ea:b073:bb60 with SMTP id jw38-20020a056a0092a600b006eab073bb60mr1084247pfb.5.1712628095580; Mon, 08 Apr 2024 19:01:35 -0700 (PDT) Date: Mon, 8 Apr 2024 19:01:23 -0700 In-Reply-To: <20240315143507.102629-1-mlevitsk@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240315143507.102629-1-mlevitsk@redhat.com> X-Mailer: git-send-email 2.44.0.478.gd926399ef9-goog Message-ID: <171262713897.1419961.5139969748119275014.b4-ty@google.com> Subject: Re: [PATCH] KVM: selftests: fix max_guest_memory_test with more that 256 vCPUs From: Sean Christopherson To: Sean Christopherson , kvm@vger.kernel.org, Maxim Levitsky Cc: linux-kernel@vger.kernel.org, Paolo Bonzini , linux-kselftest@vger.kernel.org, Shuah Khan Content-Type: text/plain; charset="utf-8" On Fri, 15 Mar 2024 10:35:07 -0400, Maxim Levitsky wrote: > max_guest_memory_test uses ucalls to sync with the host, but > it also resets the guest RIP back to its initial value in between > tests stages. > > This makes the guest never reach the code which frees the ucall struct > and since a fixed pool of 512 ucall structs is used, the test starts > to fail when more that 256 vCPUs are used. > > [...] Applied to kvm-x86 fixes, thanks! [1/1] KVM: selftests: fix max_guest_memory_test with more that 256 vCPUs https://github.com/kvm-x86/linux/commit/0ef2dd1f4144 -- https://github.com/kvm-x86/linux/tree/next