On Tue, Apr 16, 2019 at 04:31:27PM +0200, Laurent Dufour wrote: > Le 16/04/2019 à 16:27, Mark Rutland a écrit : > > On Tue, Apr 16, 2019 at 03:44:55PM +0200, Laurent Dufour wrote: > > > From: Mahendran Ganesh <opensource.gan...@gmail.com> > > > > > > Set ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT for arm64. This > > > enables Speculative Page Fault handler. > > > > > > Signed-off-by: Ganesh Mahendran <opensource.gan...@gmail.com> > > > > This is missing your S-o-B. > > You're right, I missed that... > > > The first patch noted that the ARCH_SUPPORTS_* option was there because > > the arch code had to make an explicit call to try to handle the fault > > speculatively, but that isn't addeed until patch 30. > > > > Why is this separate from that code? > > Andrew was recommended this a long time ago for bisection purpose. This > allows to build the code with CONFIG_SPECULATIVE_PAGE_FAULT before the code > that trigger the spf handler is added to the per architecture's code.
Ok. I think it would be worth noting that in the commit message, to avoid anyone else asking the same question. :) Thanks, Mark.
