On Mon, 2020-03-23 at 10:30 +1000, Nicholas Piggin wrote: > Haren Myneni's on March 19, 2020 4:13 pm: > > > > Kernel sets fault address and status in CRB for NX page fault on user > > space address after processing page fault. User space gets the signal > > and handles the fault mentioned in CRB by bringing the page in to > > memory and send NX request again. > > > > Signed-off-by: Sukadev Bhattiprolu <suka...@linux.vnet.ibm.com> > > Signed-off-by: Haren Myneni <ha...@linux.ibm.com> > > --- > > arch/powerpc/include/asm/icswx.h | 18 +++++++++++++++++- > > 1 file changed, 17 insertions(+), 1 deletion(-) > > > > diff --git a/arch/powerpc/include/asm/icswx.h > > b/arch/powerpc/include/asm/icswx.h > > index 9872f85..b233d1e 100644 > > --- a/arch/powerpc/include/asm/icswx.h > > +++ b/arch/powerpc/include/asm/icswx.h > > "icswx" is not a thing anymore, after 6ff4d3e96652 ("powerpc: Remove old > unused icswx based coprocessor support"). I guess NX is reusing some > things from it, but it would be good to get rid of the cruft and re-name > this file and and relevant names. > > NX already uses this file, so I guesss that can happen after this series.
But NX uses icswx on P8 and icswx.h has only NX specific macros right now. > > Thanks, > Nick >