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Thu, 9 Jul 2026 10:16:38 +0000 (GMT) Date: Thu, 9 Jul 2026 12:16:37 +0200 From: Vasily Gorbik To: Alexander Gordeev Cc: Heiko Carstens , Thomas Huth , 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-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=Q/XiJY2a c=1 sm=1 tr=0 ts=6a4f750b cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=LvJBJGJDRD2OuXGQmAcA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-GUID: EkEOu9rQrDzJP1Mq2SwlhMWvrSXWsh1m X-Proofpoint-ORIG-GUID: EkEOu9rQrDzJP1Mq2SwlhMWvrSXWsh1m X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA5MDA5NCBTYWx0ZWRfXzLB4lQdxSlmU oVOfeeVel+22ztUfHCYep268dgBuhkfXPiWx2JACmw/UDmzVZMjqPzKeA/rKMldMMLJOSTOae9P gGruN7S5AkXj5fkoUyu6k4YL6Vj9Ckw= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA5MDA5NCBTYWx0ZWRfX4PP4HAiwMHbl DcbK5R0oGzGZS5iA324s0ruRY7dtZTle8VYGCFymX+4DtqnEQx/6po96lcUYnbrBcmePJKavWbY Xo1TvkQkMV2LbF/Z6zxpYfpgYNw+fDWf+DmtQ5sSaXfsNIKO9e6B1Mp5X+OvMSW07wCihjfOdH0 uL/j9g7k1oCJmrrUd6sxUBO8ABryKS7uSV94eEBjPB9s8gvHfgWKCc4YCsz1rSfBUbso7CeBoWU kJxwg9L/WAl+3mI71FsBUDdHvYYDQOytY5zIP8vIuRM7eDkJztRYn8APjuOXyKTjf0h1nNkjjjF 4HWk8Ez0OVAcJWNo2BbCl8gDzHT1qwww1nfHwHVP063yrQnRHKiXBNT4HcdBtgThuEVgm3O254U VfpkOr2s4DD1FFLws28FH7nZ+sFGgud9QJszdBBPhUQuXXXLeCuIGeBjhdS1VpXHpYeppoSCN3E P5iMFF8Dlpd3DgB25Qg== 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 adultscore=0 impostorscore=0 spamscore=0 phishscore=0 priorityscore=1501 bulkscore=0 clxscore=1011 lowpriorityscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607090094 On Thu, Jul 09, 2026 at 08:59:23AM +0200, Alexander Gordeev wrote: > 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. Maybe you have not started with a clean tree. Anyhow, I'm picking up this patch then.