From mboxrd@z Thu Jan 1 00:00:00 1970 From: mark.rutland@arm.com (Mark Rutland) Date: Tue, 15 May 2018 09:18:53 +0100 Subject: [PATCH 08/18] arm64: convert raw syscall invocation to C In-Reply-To: <20180514180029.GA23250@light.dominikbrodowski.net> References: <20180514094640.27569-1-mark.rutland@arm.com> <20180514094640.27569-9-mark.rutland@arm.com> <20180514180029.GA23250@light.dominikbrodowski.net> Message-ID: <20180515081839.aenqaruro5me42av@salmiak> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, May 14, 2018 at 08:00:29PM +0200, Dominik Brodowski wrote: > > +static void __invoke_syscall(struct pt_regs *regs, syscall_fn_t syscall_fn) > > +{ > > + regs->regs[0] = syscall_fn(regs->regs[0], regs->regs[1], > > + regs->regs[2], regs->regs[3], > > + regs->regs[4], regs->regs[5]); > > +} > > Any specific reason to have this in a separate function? This seems to be > called only from one instance, namely I wanted to keep the raw syscall invocation logically separate from the syscall table lookup and ni_syscall fallback, so that it was easier to verify in isolation. I don't think it's a big deal either way, though. Thanks, Mark.