From mboxrd@z Thu Jan 1 00:00:00 1970 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 D4D0C18DB0D; Sun, 18 Jan 2026 15:16:50 +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=1768749410; cv=none; b=Aorawqj0zMG8yro/RqhL7PlELrQgWfHS/ipRNcdhM8GqxXazgaHYGIo/Ly710MT3bNcDCd5NS6Db/kxm64tCUcq0LkSN+uKdXnL3njt8UiRM9q3WVT8ciEJDW1KUemp324oZ9lQ9VlQoP8YLD9YpVrieXglKSIEUDeuw9ib4gDs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768749410; c=relaxed/simple; bh=zbjFQf142QTPll+HlFBxgXdPxx+czptb9ll+AkDvzCI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=co3IRAD1lOkYHhf0C1I4M/xY6EmLOYoRPf8BnUF+IMpO9PZpj1ToUgG1ofSA0jX/pK1uN9tuAcVxUg+NPogqKbwNfrZdp+nBtW3XbJbxg2ko6wfbzrK4MoWZ5/uttQkSVwJoDJ+yGvy0N9FbflSsbfZu6OCrLZOfSFGUwVZDefs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AvzTtIl5; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AvzTtIl5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3AD0EC116D0; Sun, 18 Jan 2026 15:16:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768749410; bh=zbjFQf142QTPll+HlFBxgXdPxx+czptb9ll+AkDvzCI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=AvzTtIl5xA9be4QGgqfj+yT7GFOYPBw5BtgESqPxxNbcwzrvWLC/qhdg4u+Y6BLJZ zMF9SnrkRcMyPRuK0sTrX6u0zzxTE2bKrCllzsofmie9OYL0UkYDvF6rNoh811kWbw b53CKhMMj7pxRvg38b63g5Dt/Ft12VE0osis/258rMIUnF7BvZbb/+WnDyhI5UHQ/R anrb0HUDpIpA8da4rlDW7q9KM1Q8+i4FfTQYF9pVblCpFzT9T8kmh3Yacx/ZjDSkl4 IQlT9dljin/kV3PAUU7TZ14TFar1o0LvTtFeawufg1a2hMX/BLUsYcSZk/V3FcrsCH ddaN+YFFAd8PA== Received: by finisterre.sirena.org.uk (Postfix, from userid 1000) id 0C11D1AC56A1; Mon, 19 Jan 2026 00:16:37 +0900 (JST) Date: Sun, 18 Jan 2026 15:16:36 +0000 From: Mark Brown To: Thomas =?iso-8859-1?Q?Wei=DFschuh?= Cc: Catalin Marinas , Will Deacon , Shuah Khan , linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] kselftest/arm64: Use syscall() macro over nolibc my_syscall() Message-ID: References: <20260117-nolibc-mysyscall-arm64-v1-1-f70266a3db15@weissschuh.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="0YxDK5bhyWkoEAQo" Content-Disposition: inline In-Reply-To: <20260117-nolibc-mysyscall-arm64-v1-1-f70266a3db15@weissschuh.net> X-Cookie: Think big. Pollute the Mississippi. --0YxDK5bhyWkoEAQo Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Jan 17, 2026 at 01:10:51PM +0100, Thomas Wei=DFschuh wrote: > The my_syscall*() macros are internal implementation details of nolibc. > Nolibc also provides the regular syscall(2), which is also a macro > and directly expands to the correct my_syscall(). >=20 > Use syscall() instead. >=20 > As a side-effect this fixes some return value checks, as my_syscall() > returns the raw value as set by the kernel and does not set errno. Acked-by: Mark Brown Looking at the history the nolibc syscall() was added after we started doing this in the arm64 selftests, it was 2023 while the tpidr2 test is from 2022. --0YxDK5bhyWkoEAQo Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmls+VIACgkQJNaLcl1U h9CfBAf/SeWySUzi4DWG7/eYfuh0UqSkZ9GVeLEaP6CQVEBfhdQfDA+rdN/1fkGH zzTWSCk8oMSQv1BTNnkREcYZQOh2M6YB1gk0ZPHcTdIjOKwxhZ73fiLrOnMzAtgQ SHydTuSJeNJh1hZhl9DNGZmYrvHSaOBDWi5vFKeKIdnOlhZQyCR6gfrsN7JkzJjO 9Lnt9Q+Yy38sgyJJeks0dtCqyXUPaCFCg6q0Ybpm6tHrv0g3LXGByArkFxEGGdgr i+ODI3vne00/mmkukr1sCjxyfrWTGeD+lLFy5nnsYGzWpTrC4Pa7lCnIzNYUmOll +mForHW+scEwEHpSM5nKFhdLjo+bog== =8Im9 -----END PGP SIGNATURE----- --0YxDK5bhyWkoEAQo--