From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f197.google.com (mail-pl1-f197.google.com [209.85.214.197]) (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 D4A89286D5E for ; Thu, 3 Sep 2026 00:16:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788394592; cv=none; b=d6gi6afJW1cLCJy8CNG1uWchYnPaqS2fQ8ltIecCjhcEuVqL9gBwolHHqkAExN/brKTgIzC3kL+r88SgpSYpIRBsMt52b6HvanmodGj/ROAKJs1AfnYlxKxbGf/2If1rXttL1CJ4pHvWtqDsQs8XObSruIsezJiu00f2GzM5GWc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788394592; c=relaxed/simple; bh=lynxvI4BWDKfkW0dl139eAVcbrc95dm3ZZJq8SSTU2Y=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=rN9/GER8A1/nY7eBLmtIIxreQXuFwTBnPWq9LGioaJ+A2s7NcV6SR4r4gpnu6g1l5enxW3akTGO7Gp6G30YxmWZ1XBfirvGA9xh0gG/MGlqfDscEoQVPyBogOxFRD+q+Mj00waV3ycPOilXDWj998CjsGjnOvPENS51MePuHgUY= 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=OrN9QL11; arc=none smtp.client-ip=209.85.214.197 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="OrN9QL11" Received: by mail-pl1-f197.google.com with SMTP id d9443c01a7336-2cf7dd9fd91so16971825ad.1 for ; Wed, 02 Sep 2026 17:16:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1788394590; x=1788999390; darn=vger.kernel.org; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:reply-to:from:to:cc:subject:date:message-id :reply-to:content-type; bh=zlSRSsSlpokdtKbgl+ElzoriroijVL7fsph+TXQV+Eg=; b=OrN9QL116CC8PrLGFMRw8J7rOiL815y21AzYbrqTRmh9wipyBbE3u/zTgnTyX9+Wtj W4cIhI62WSc4sdc7HJX6kAPMFx1IaNYyGDsMs6sQCZqXK1bXOskGDfFkXGMHQxxWYVrg sZT7qanMHs7mkVfwGWUgW1x5kepHNEuvCCGg7XIt3hphpooH7Id66Zlm/9svmbcc6pL1 qatbgx7vNebFSm9wG+J5NIxKyjtlXWCMj32UgmxSbQ1UOpBI2roRRf1znUhv/GxCksJI bTPqWT4DlQCWiPhpfQbufSpEYjbi/Ah4CGVYcOpaXj0bzFJV9mQEMAykzUj7A/WYf5c5 eHxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788394590; x=1788999390; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:reply-to:x-gm-message-state:from:to:cc:subject :date:message-id:reply-to:content-type; bh=zlSRSsSlpokdtKbgl+ElzoriroijVL7fsph+TXQV+Eg=; b=EjHIv/OpRYD+ewzXR/xuJO1Rnnl8F5WSQFyyFCIZphuOblc1+BmK/hCY8pUcj1WjU0 a3wkAOrumhFZRKdJ8YB7FKCDzTeBSGkjE5Cp1f2Tu4zPqFkLd7UcajFHI/266sR3mKYl FjH4qIBBADqFvllOSj1b+RqZlK68XQjXw+2z3GDQpO4b6Rr+tF9XFh9EsXfp790HyYBK NEQ2blmI6pVNGpSJ92WW6OkWu6fq6hEvIDw9dbKyCJhunxkggq1UqR12E0O7RZ9MllmO GoHyC1JHUHS0hqMyNAo5m5XHZeAasIGJbilYGw/pLousd+A4q9zsJEgpLajoDJPnUg/x oq1Q== X-Forwarded-Encrypted: i=1; AKwUvBxMgFYyI1cGqkHNdQOwwEH+TpD9qQhKXHhoQdN45xIaYb2j/sN5i5fJqwRxNprIxC2R/G5ZCk/+VG80VMI=@vger.kernel.org X-Gm-Message-State: AFuF++mXyzMRAJjuBss+lrYejG6hN2i0IYuaBVoM+3GMs3v7tf5aSBOP xt6J/rJr7O8+JQsO27g2SAFwszLVn/QSy5kdMeND8z7ctyp1Xaz0a3pdYQvS24LPwjBuv23IayV bSUng/Q== X-Received: from pgfd10-n1.prod.google.com ([2002:a05:6a02:654a:10b0:cc1:be9e:35ee]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:3c04:b0:398:d6e8:f84e with SMTP id 98e67ed59e1d1-39aedf5571fmr14120881a91.9.1788394590039; Wed, 02 Sep 2026 17:16:30 -0700 (PDT) Reply-To: Sean Christopherson Date: Wed, 2 Sep 2026 17:16:21 -0700 In-Reply-To: <20260903001625.2792367-1-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260903001625.2792367-1-seanjc@google.com> X-Mailer: git-send-email 2.55.0.970.g62bdec98f9-goog Message-ID: <20260903001625.2792367-4-seanjc@google.com> Subject: [PATCH 3/7] KVM: selftests: use BITS_PER_TYPE() for NUMA masks From: Sean Christopherson To: Paolo Bonzini , Sean Christopherson Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Shivank Garg Content-Type: text/plain; charset="UTF-8" From: Shivank Garg Replace the open-coded sizeof() * 8 calculations in do_migrations() with BITS_PER_TYPE(). No functional change intended. Signed-off-by: Shivank Garg Signed-off-by: Sean Christopherson --- tools/testing/selftests/kvm/x86/xapic_ipi_test.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/kvm/x86/xapic_ipi_test.c b/tools/testing/selftests/kvm/x86/xapic_ipi_test.c index 6be11c1c725c..9d1dfad4efa6 100644 --- a/tools/testing/selftests/kvm/x86/xapic_ipi_test.c +++ b/tools/testing/selftests/kvm/x86/xapic_ipi_test.c @@ -233,7 +233,7 @@ void do_migrations(struct test_data_page *data, int run_secs, int delay_usecs, { long pages_not_moved; unsigned long nodemask = 0; - unsigned long nodemasks[sizeof(nodemask) * 8]; + unsigned long nodemasks[BITS_PER_TYPE(nodemask)]; int nodes = 0; time_t start_time, last_update, now; time_t interval_secs = 1; @@ -253,13 +253,13 @@ void do_migrations(struct test_data_page *data, int run_secs, int delay_usecs, fprintf(stderr, "Numa nodes found amongst first %lu possible nodes " "(each 1-bit indicates node is present): %#lx\n", - sizeof(nodemask) * 8, nodemask); + BITS_PER_TYPE(nodemask), nodemask); /* Init array of masks containing a single-bit in each, one for each * available node. migrate_pages called below requires specifying nodes * as bit masks. */ - for (i = 0, bit = 1; i < sizeof(nodemask) * 8; i++, bit <<= 1) { + for (i = 0, bit = 1; i < BITS_PER_TYPE(nodemask); i++, bit <<= 1) { if (nodemask & bit) { nodemasks[nodes] = nodemask & bit; nodes++; -- 2.55.0.970.g62bdec98f9-goog