From mboxrd@z Thu Jan 1 00:00:00 1970 From: schwab@suse.de (Andreas Schwab) Date: Thu, 12 Nov 2015 00:07:41 +0100 Subject: [PATCH v6 13/17] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it In-Reply-To: <20577001.4Nl3YnQ8k2@wuerfel> (Arnd Bergmann's message of "Wed, 11 Nov 2015 21:40:32 +0100") References: <1446507046-24604-1-git-send-email-ynorov@caviumnetworks.com> <1446507046-24604-14-git-send-email-ynorov@caviumnetworks.com> <20577001.4Nl3YnQ8k2@wuerfel> Message-ID: <87k2pojfsy.fsf@igel.home> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Arnd Bergmann writes: > On Wednesday 11 November 2015 18:54:00 Andreas Schwab wrote: >> Yury Norov writes: >> >> > +#define sys_clock_gettime compat_sys_clock_gettime >> > +#define sys_clock_settime compat_sys_clock_settime >> >> You also need to redirect sys_clock_nanosleep. > > Note that based on my comment, that table would be turned around, and > only the syscalls get overridden that do not have the normal > compat mode behavior (mostly the ones that pass a 64-bit register). Is it intented that _all_ off_t-like syscalls are implemented by the 64bit variants? Currently, this isn't fully implemented (lseek is implemented by sys_llseek and mmap by an mmap2 wrapper). Andreas. -- Andreas Schwab, SUSE Labs, schwab at suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."