From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 9EA9A34EF0D; Wed, 8 Jul 2026 09:16:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783502189; cv=none; b=V+HM8grvfyKWk3oTZ5AAt7dwYmid9tLLtsrup566Iz7Yw+o/9QNJAfDwWYuque0y7n2REjhhvpQtDFdbK5GLHvzLDW/tyikaLqjd681AM+p/cnAM9Q3yiZzqXnmRlJPSgtgAARKbWqS+8T2+BC4JJ+fY+d6uGtjEP3vRwcAjRdk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783502189; c=relaxed/simple; bh=5FZUNb7wJqECLE+SaLxBpZ2BcaTC/7PR9KjrYN84Iks=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=eCcDgMhBG43eFW/vN8/1/qDhAJiVS9sgFKyS/Xu0rSOto9Zu+ojyXe5S8sj3bVniYGGlbfK6QoN8JxEtwiLC0uY3Fs5zfAvgwMVSI/kY0oc0VWw4GcBPUZ2RHABWA7TqOKRHK2+WzfyQJ4lHi85c6FOlHA0H8CN76MNXIds/GKQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=N1o7Cy/2; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="N1o7Cy/2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 33F891F000E9; Wed, 8 Jul 2026 09:16:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783502188; bh=mYG6WaG7m68VASwoH/Qbw0bAKXQeJJcttE2MKggz9kU=; h=From:To:Cc:Subject:In-Reply-To:References:Date; b=N1o7Cy/2UAb5pvDnsW2W/2IEWfzlvPb5qh6tUiAem8Gf2M7VhGzhZ/Y2Jx40amSta eRYwR2//CYve1u4uzypgFTemTLGPafIx5fVQioLJD5Sn4hdfvpP5u4eZkeOM833ouq 3G+3Mlh8e7JmA5rStlaPedSdWHh/t+ELsZVQ0VNJ6mieO79DKlgD0lbLcCskpo8frt Ek2lck3KWosiUBwUhmEc4sxs8Xn8DQLyVRoOsZlF1VniYeV+rnE4EXiJUggm2doJ5h E24L6gP0rJ3vUHlKDAV+stjtsRYHo0Hqfr+yfpngxNIhAv4MFlNEU9teLXpTQ3Gqv7 Wt6aASI6cp48A== From: Thomas Gleixner To: Shrikanth Hegde , LKML Cc: Peter Zijlstra , Michal =?utf-8?Q?Such=C3=A1nek?= , Jonathan Corbet , Arnd Bergmann , Mark Rutland , Huacai Chen , Michael Ellerman , Paul Walmsley , Palmer Dabbelt , Sven Schnelle , linux-doc@vger.kernel.org, loongarch@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, Kees Cook , x86@kernel.org, Jinjie Ruan , Andy Lutomirski , Oleg Nesterov , Richard Henderson , Russell King , Catalin Marinas , Guo Ren , Geert Uytterhoeven , Thomas Bogendoerfer , Helge Deller , Yoshinori Sato , Richard Weinberger , Chris Zankel , linux-arm-kernel@lists.infradead.org, linux-alpha@vger.kernel.org, linux-csky@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, Vineet Gupta , Will Deacon , Brian Cain , Michal Simek , Dinh Nguyen , "David S. Miller" , Andreas Larsson , linux-snps-arc@lists.infradead.org, linux-hexagon@vger.kernel.org, linux-openrisc@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org Subject: Re: [patch 18/18] entry, treewide: Make syscall_enter_from_user_mode[_work]() indicate syscall execution In-Reply-To: <5c202ab4-33f1-42e9-bef2-81fbd0a9992e@linux.ibm.com> References: <20260707181957.433213175@kernel.org> <20260707190254.603111179@kernel.org> <5c202ab4-33f1-42e9-bef2-81fbd0a9992e@linux.ibm.com> Date: Wed, 08 Jul 2026 11:16:25 +0200 Message-ID: <87y0flrgd2.ffs@fw13> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Wed, Jul 08 2026 at 10:51, Shrikanth Hegde wrote: > On 7/8/26 12:37 AM, Thomas Gleixner wrote: >> - r0 = syscall_enter_from_user_mode_randomize_stack(regs, r0); >> + if (unlikely(!syscall_enter_from_user_mode_randomize_stack(regs, &r0)) >> + return syscall_get_error(current, regs); >> > > There is one missing ) Bah.