From nobody Thu Dec 18 23:40:38 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B620C198E75 for ; Thu, 29 Aug 2024 18:25:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724955941; cv=none; b=Ya3/BalOnIEgH5SEm0+QlrAmGdXm7VssJfo7s/GycZ3n/ktNp0G29OIv6FgJLDlPJ0w90awseXoRo7w+nz8gys6vzobY5oDS7eUI9NCLjhkzZG1SfYKsongtlM50NSbBvfCpqRY7Edj937FALhW3BCddwIzMA51IFmWNxqlAaZo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724955941; c=relaxed/simple; bh=Gjg8UW8CEgn5X8SLBulfcOt+fLIdeyhXPrSg9RypIo0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=AiNFJYjXoK0PrlNteBdIDb46ERuKCy+XkXHCB1Od2eA2renUMGocij7e9maLI55JZAfY5ontUgUdoGsHpudHWQ92MzChNHRnExtkkbzT6D9UVyqzzpcumDIp7W02DkJEKNzx9zmvLYcri6RV1d5TVlQtvTYBDUTQqBlGxtFDvAs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b=EoOZz/wi; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b="EoOZz/wi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CB11DC4CEC1; Thu, 29 Aug 2024 18:25:40 +0000 (UTC) Authentication-Results: smtp.kernel.org; dkim=pass (1024-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b="EoOZz/wi" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zx2c4.com; s=20210105; t=1724955939; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=9FEyOiscUzfLeD82tPiqsYpTB1BBDH/yHWoEvCkisrU=; b=EoOZz/wiGg1BmXNpKT8xNvmGxdgfsPk+rcHLi85QdZD/BmVuW2Ks6aSRddfRGgJZE1a2Xt mUfncEFeuW7oQ+nE6EfvU+I9u572sS9A8uBH7oowfEYOPhQptjEi3fhfnXup+mNWN2vRjs qAdPrdYX25t6OiSi6Y09DeVltH6Ef9k= Received: by mail.zx2c4.com (ZX2C4 Mail Server) with ESMTPSA id daac063d (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO); Thu, 29 Aug 2024 18:25:37 +0000 (UTC) From: "Jason A. Donenfeld" To: linux-kernel@vger.kernel.org Cc: "Jason A. Donenfeld" , Adhemerval Zanella Netto Subject: [PATCH] selftests/vDSO: skip getrandom test if architecture is unsupported Date: Thu, 29 Aug 2024 20:25:31 +0200 Message-ID: <20240829182531.250502-1-Jason@zx2c4.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" If the getrandom test compiles for an arch, don't exit fatally if the actual cpu it's running on is unsupported. Suggested-by: Adhemerval Zanella Netto Signed-off-by: Jason A. Donenfeld --- tools/testing/selftests/vDSO/vdso_test_getrandom.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/vDSO/vdso_test_getrandom.c b/tools/tes= ting/selftests/vDSO/vdso_test_getrandom.c index 20bbef992c48..5db8ac8999cd 100644 --- a/tools/testing/selftests/vDSO/vdso_test_getrandom.c +++ b/tools/testing/selftests/vDSO/vdso_test_getrandom.c @@ -104,6 +104,7 @@ static void vgetrandom_init(void) const char *version =3D versions[VDSO_VERSION]; const char *name =3D names[VDSO_NAMES][6]; unsigned long sysinfo_ehdr =3D getauxval(AT_SYSINFO_EHDR); + size_t ret; =20 if (!sysinfo_ehdr) { printf("AT_SYSINFO_EHDR is not present!\n"); @@ -115,7 +116,11 @@ static void vgetrandom_init(void) printf("%s is missing!\n", name); exit(KSFT_FAIL); } - if (vgrnd.fn(NULL, 0, 0, &vgrnd.params, ~0UL) !=3D 0) { + ret =3D vgrnd.fn(NULL, 0, 0, &vgrnd.params, ~0UL); + if (ret =3D=3D -ENOSYS) { + printf("unsupported architecture\n"); + exit(KSFT_SKIP); + } else if (ret) { printf("failed to fetch vgetrandom params!\n"); exit(KSFT_FAIL); } --=20 2.46.0