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Thu, 9 Jul 2026 06:59:24 +0000 (GMT) Date: Thu, 9 Jul 2026 08:59:23 +0200 From: Alexander Gordeev To: Heiko Carstens Cc: Thomas Huth , Vasily Gorbik , linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] s390/uapi: Remove obsolete unistd_32.h from Kbuild file Message-ID: References: <20260701134727.882734-1-thuth@redhat.com> <20260709055715.25563Ade-hca@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260709055715.25563Ade-hca@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA5MDA2MiBTYWx0ZWRfX4nUOwRP5LGpq IBHoc3rXphnVmjNIJclqa89yKXolxP3JOBl1NzxcIGlOlhM4UsTrYpAYcXmASrOuLNNjDATwfOj zcWfG7lt4j6UD+qMjaWzg4So01tBy+k= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA5MDA2MiBTYWx0ZWRfX+WLkvtqOH0mw 8uDRn+yNhqzkZPtIjV1cXfyZGPJ/FVleV8zICqDX+H9RAvCVFKqi6mlNS3TumjsuSGigx1t2RLD C/KWfTD/c4cCZd81cCOLrI0Txlv2qKz0qPv1Qrf9bP+mCJDvUN3B5TTUh45K6W4ZwL2FvsIdeyZ adRhwHIKfHRvGrqn24D/Jh1b7EmkWAXwBXXLTAwEehFK8Uy3sD7i0+SXYalWozDhgETnu8AxbD1 oDmBOVaqJDU5v1WzXor0+VfzmyNPn43X2DJjjHvQNSFFmO1m27eNzf9K2EqPGkX8SRfc0c7GTdm Mpc5l9lM6HbZqOL3MLOVU0tPJWIokUKmrrspwDHp40wGObx00k/jNymiZTdOnaI9m+BLUQrTXIW LzFZUD946Uwzj0MK6aoLE0Hm4hwkEh94h+8txbqlF/z2x6jO1HR98i9dN9KrtEkkaF/vaLp7ZQX ZLdewySgt997TRsZg7w== X-Proofpoint-GUID: idM75CkxJb15l3yfLn4tgafoZDyV94eH X-Authority-Analysis: v=2.4 cv=Oot/DS/t c=1 sm=1 tr=0 ts=6a4f46d2 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=kj9zAlcOel0A:10 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=31qeVufJgF_ueeuuHYsA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-ORIG-GUID: idM75CkxJb15l3yfLn4tgafoZDyV94eH X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-09_01,2026-07-08_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 phishscore=0 malwarescore=0 suspectscore=0 spamscore=0 adultscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607090062 On Thu, Jul 09, 2026 at 07:57:15AM +0200, Heiko Carstens wrote: > > On repeated builds it results in: > > > > SYSHDR arch/s390/include/generated/uapi/asm/unistd_32.h > > REMOVE arch/s390/include/generated/uapi/asm/unistd_32.h > > How did you achieve that unistd_32.h is actually generated? The required > syscall table information to generate such a header file is not present. > This looks very odd to me. > > The above should be impossible with current upstream code, and I cannot > reproduce it. Any chance you applied Thomas' patch on top of an old commit > which still includes compat support? I can not reproduce it anymore of course, but I am pretty sure I was trying exactly that :/ > > A complete removal would require changes to arch/s390/kernel/syscalls/Makefile > > at least, > > I don't think so. > > > but we still might want to have unistd_32.h around. > > No, that doesn't make sense. compat support is completely gone, including all > header files. The patch looks fine as it is for me, but we need to sort out > what you reported. Yes, my report is false. Sorry for the noise. Thanks!