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Tue, 27 Jul 2021 19:15:55 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EF014A405F; Tue, 27 Jul 2021 19:15:54 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BD9DBA4057; Tue, 27 Jul 2021 19:15:53 +0000 (GMT) Received: from osiris (unknown [9.145.19.157]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Tue, 27 Jul 2021 19:15:53 +0000 (GMT) Date: Tue, 27 Jul 2021 21:15:52 +0200 From: Heiko Carstens To: Arnd Bergmann Cc: Andrew Morton , Arnd Bergmann , Catalin Marinas , Will Deacon , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Vasily Gorbik , Christian Borntraeger , "David S. Miller" , Thomas Gleixner , Ingo Molnar , Borislav Petkov , the arch/x86 maintainers , "H. Peter Anvin" , Al Viro , "Eric W. Biederman" , Christoph Hellwig , Feng Tang , Linux ARM , Linux Kernel Mailing List , "open list:BROADCOM NVRAM DRIVER" , Parisc List , linuxppc-dev , linux-s390 , sparclinux , linux-arch , Linux API , Linux-MM , Christoph Hellwig Subject: Re: [PATCH v5 4/6] mm: simplify compat numa syscalls Message-ID: References: <20210727144859.4150043-1-arnd@kernel.org> <20210727144859.4150043-5-arnd@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-GUID: -XM2aaOHmahf3GNtvPV0YNUK2TjKX7f3 X-Proofpoint-ORIG-GUID: TkiykJPEd5k1niuESQpMFCol9mhqnTsf X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.790 definitions=2021-07-27_13:2021-07-27, 2021-07-27 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 phishscore=0 adultscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 mlxscore=0 mlxlogscore=984 bulkscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2107140000 definitions=main-2107270113 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210727_121654_045543_5F744D0F X-CRM114-Status: GOOD ( 21.93 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Jul 27, 2021 at 08:49:40PM +0200, Arnd Bergmann wrote: > On Tue, Jul 27, 2021 at 8:38 PM Heiko Carstens wrote: > > > > -268 common mbind sys_mbind compat_sys_mbind > > -269 common get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy > > -270 common set_mempolicy sys_set_mempolicy compat_sys_set_mempolicy > > +268 common mbind sys_mbind sys_mbind > > +269 common get_mempolicy sys_get_mempolicy sys_get_mempolicy > > +270 common set_mempolicy sys_set_mempolicy sys_set_mempolicy > > > > would remove compat_ptr() conversion from nmask above if I'm not mistaken. > > Maybe I'm misremembering how compat syscalls work on s390. Doesn't > SYSCALL_DEFINEx(sys_mbind) still create two entry points __s390x_sys_mbind() > and __s390_sys_mbind() with different argument conversion (__SC_CAST vs > __SC_COMPAT_CAST)? I thought that was the whole point of the macros. You are remembering correctly, probably because you implemented it ;) I totally forgot - sorry for the noise! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel