----- Original Message ----- > Hi Dave, > > s390x: Allow HW Change-bit override for page table entries > > The HW Change-bit override (0x100) is used now for s390x. This patch allows > page table entries that have set this bit. > > Signed-off-by: Michael Holzheu <holzheu@xxxxxxxxxxxxxxxxxx> Hi Michael, I've queued this for crash-6.1.1, but can you confirm that there will not be any backwards-compatibility issues here? Dave > --- > s390x.c | 7 +++---- > 1 file changed, 3 insertions(+), 4 deletions(-) > > --- a/s390x.c > +++ b/s390x.c > @@ -600,11 +600,10 @@ static ulong _kl_pg_table_deref_s390x(ul > readmem(table + offset, KVADDR, &entry, sizeof(entry), "entry", > FAULT_ON_ERROR); > /* > - * Return zero if the page table entry has any of the reserved bits > - * set (0x900) or the invalid bit (0x400) is set and it is not a > - * swap entry. > + * Return zero if the page table entry has the reserved (0x800) or > + * the invalid (0x400) bit set and it is not a swap entry. > */ > - if ((entry & 0xd00ULL) && !swap_entry(entry)) > + if ((entry & 0xc00ULL) && !swap_entry(entry)) > return 0; > /* Page table entry is valid and well formed. */ > return entry; > -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility
