On Tue, Feb 09, 2016 at 11:29:16AM -0800, David Daney wrote: > From: Andrew Pinski <[email protected]> > > On ThunderX T88 pass 1.x through 2.1 parts, broadcast TLBI > instructions may cause the icache to become invalid if it contains > data for a non-current ASID. > > This patch implements the workaround (which flushes the local icache > when switching the mm) by using code patching.
So, to be clear, is this "just" a performance problem as opposed to a correctness issue? If so, do you have any numbers with and without this change? Will
