----- Original Message ----- > Hi Dave, > > On s390 the new zEC12 machines support 2GB frames. In order to walk page tables > correctly add support to the page table walker function so it detects 2GB frames. > > Michael Queued for crash-6.1.1. Thanks, Dave > > Signed-off-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx> > Signed-off-by: Michael Holzheu <holzheu@xxxxxxxxxxxxxxxxxx> > --- > s390x.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > --- a/s390x.c > +++ b/s390x.c > @@ -643,6 +643,13 @@ int s390x_vtop(ulong table, ulong vaddr, > if (!entry) > return FALSE; > table = entry & ~0xfffULL; > + /* Check if this a 2GB page */ > + if ((entry & 0x400ULL) && (level == 1)) { > + /* Add the 2GB frame offset & return the final value. */ > + table &= ~0x7fffffffULL; > + *phys_addr = table + (vaddr & 0x7fffffffULL); > + return TRUE; > + } > len = entry & 0x3ULL; > level--; > } > @@ -650,6 +657,7 @@ int s390x_vtop(ulong table, ulong vaddr, > /* Check if this is a large page. */ > if (entry & 0x400ULL) { > /* Add the 1MB page offset and return the final value. */ > + table &= ~0xfffffULL; > *phys_addr = table + (vaddr & 0xfffffULL); > return TRUE; > } > -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility