On Tue, Jun 19, 2018 at 04:38:10PM +0100, Mark Rutland wrote: > From b47791fe74fce8bb48696ab0cdda48a9bae0e397 Mon Sep 17 00:00:00 2001 > From: Mark Rutland <mark.rutland@xxxxxxx> > Date: Tue, 19 Jun 2018 12:49:54 +0100 > Subject: [PATCH] arm64: don't restore GPRs when context tracking > > Now that syscalls are invoked with pt_regs, we no longer need to ensure > that the argument regsiters are live in the entry assembly, and it's > fine to not restore them after context_tracking_user_exit() has > corrupted them. > > Signed-off-by: Mark Rutland <mark.rutland@xxxxxxx> > Cc: Catalin Marinas <catalin.marinas@xxxxxxx> > Cc: Will Deacon <will.deacon@xxxxxxx> Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>