From patchwork Tue Mar 11 13:18:20 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brendan Jackman X-Patchwork-Id: 872674 Received: from mail-wm1-f73.google.com (mail-wm1-f73.google.com [209.85.128.73]) (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 906E4255E37 for ; Tue, 11 Mar 2025 13:18:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741699119; cv=none; b=HmDIlmPj9KOoN/c8p0opsjgvsDlKxc0KFHrjvnLfd2i08569/62FhOjVFoMCIQXBVZlqKauqioP+6RWxa0JkhFMfwDVGJqt9N4LnKbk18KBv0Dk8JRSbC6qrY6LQ5zjOCJ3/uFRr7vpnD9d+xE7/WmrAMoND/T5WjI9RLLnIo/w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741699119; c=relaxed/simple; bh=TZCEoOVscJhi1eVQtBkTLxAR5uWerpL1QhTHsmZs710=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=HVnqYuSM6volUkMRmzGgDAOgdHqA9LbNwICLwU8UyhCNwDRfBhwitZEfLmbxGFQPIqCVk/e2BmiPQHEMbvjZoclrwDx0iGxEawq22mO/TESHi+pO5XLwIiSiVzrojuyApKbHnyq+h0Y15AeDyusqm7YuS0YTxLDNzFVYVDnwzc4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--jackmanb.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=gPIargED; arc=none smtp.client-ip=209.85.128.73 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--jackmanb.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="gPIargED" Received: by mail-wm1-f73.google.com with SMTP id 5b1f17b1804b1-43cf64f1dc5so12735565e9.2 for ; Tue, 11 Mar 2025 06:18:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1741699116; x=1742303916; 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=ezfRKweWcsi8VDsOy21QFyFbC65YGuaZroNiYeoxlPc=; b=gPIargED1npa5FTeBubhvT9SAcepTZ61BqJzmsJ7P3EGcVoCvbdkmQqKt5UtgCZMbB yc3yrxi33zkJH/OhaugWuqtxrs4VLF9cj8UNB8Pu2xWgpmPOPGvyGgwAE9rcVIw39hBH yw1Gi/rHxoq6c9ajpxKuS61ZFgKu6PH8pWBGo5rXFdteiCx6O32eKUPyz44xVXB2YsNC r0OxccIIXrQijIFVSuJxr1PY1XbexowNrwCWG8izUr4Wn+rmqp5vxRb+qgohgBEPUQc8 Kh02e+nax9M/bJBOCjRmbnNu6MYAJc3e7DTmQYMzjz1WOyqsJsxcSLlJ0NbOvbwhZK4p tW7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741699116; x=1742303916; 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=ezfRKweWcsi8VDsOy21QFyFbC65YGuaZroNiYeoxlPc=; b=HHeZN0W+tF6S1pAZ+EQt/EJ9pNoqCK33ffRcaWHzOQ7dLWq1BXN1WScDl8c0yPYNoK +WjlACOyrW7wlFAY8j2NMLGU87hR3v8a9uEnscsfEl6EI0n7QzO1+6v0TCkkfcc/SXoC Mj4oK3mGo0IV6DkP9UIY3QRG1UQbM3MLo32vW3lCeaG58Y/BoaO1ZqB2NNqQ68PHbvHm t14+EseLc6PO7pTCm6aXL9e9NsB9LDpcXr5Yhnfwo6gdIuyFFRd9Ut84++bEc5VAhPo6 EF56nDteF8LQ6WqICBjPUGFjO1B707X7QBLkA4xWJ6i6VWEXJXPb5w8LB0dMfzewz2es 2fJA== X-Forwarded-Encrypted: i=1; AJvYcCXN8G5tFbJh8wgvtW02ybW6boJvV5xpj3OuCA2eYrziim4VErE24gCu4dK27h/MelIlqSeGwyI3TnNamGhC6no=@vger.kernel.org X-Gm-Message-State: AOJu0YzcHsGYZKgO3wVbNVQu8ZBZy5X5dwWsTQZa3y4duWY0/M/XG676 c45nFAYhITkzRUebwQfwL8BVugHCuG+dRk7CutRmE9RwOS71g/43g+LUJGYLGQr0cGV9iQfwiKz WXiXPfMNyKA== X-Google-Smtp-Source: AGHT+IGM8dDbafePeprrNK04mscqi9s1n3LRsj1p3n0Stvsl5Ct+lcHP80x8iiWL53VzzL0Jri/DkBOybzhFEg== X-Received: from wmbet7.prod.google.com ([2002:a05:600c:8187:b0:43c:fad4:7595]) (user=jackmanb job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:35d1:b0:43d:53c:1ad6 with SMTP id 5b1f17b1804b1-43d053c1decmr18085815e9.26.1741699116150; Tue, 11 Mar 2025 06:18:36 -0700 (PDT) Date: Tue, 11 Mar 2025 13:18:20 +0000 In-Reply-To: <20250311-mm-selftests-v4-0-dec210a658f5@google.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250311-mm-selftests-v4-0-dec210a658f5@google.com> X-Mailer: b4 0.14.2 Message-ID: <20250311-mm-selftests-v4-9-dec210a658f5@google.com> Subject: [PATCH v4 09/12] selftests/mm: Drop unnecessary sudo usage From: Brendan Jackman To: Lorenzo Stoakes , Andrew Morton , Shuah Khan Cc: Dev Jain , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Brendan Jackman This script must be run as root anyway (see all the writing to privileged files in /proc etc). Remove the unnecessary use of sudo to avoid breaking on single-user systems that don't have sudo. This also avoids confusing readers. Reviewed-by: Dev Jain Signed-off-by: Brendan Jackman --- tools/testing/selftests/mm/run_vmtests.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/run_vmtests.sh b/tools/testing/selftests/mm/run_vmtests.sh index da7e266681031d2772fb0c4139648904a18e0bf9..0f9fe757c3320a6551e39b6d4552fd4874b0bf43 100755 --- a/tools/testing/selftests/mm/run_vmtests.sh +++ b/tools/testing/selftests/mm/run_vmtests.sh @@ -386,7 +386,7 @@ CATEGORY="madv_populate" run_test ./madv_populate if [ -x ./memfd_secret ] then -(echo 0 | sudo tee /proc/sys/kernel/yama/ptrace_scope 2>&1) | tap_prefix +(echo 0 > /proc/sys/kernel/yama/ptrace_scope 2>&1) | tap_prefix CATEGORY="memfd_secret" run_test ./memfd_secret fi