Hello Michael, On Fri, 16 Nov 2012 14:34:58 +0100 Michael Holzheu <[email protected]> wrote:
> 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 <[email protected]> Thanks for your work. I will merge this patch into v1.5.2. Thanks Atsushi Kumagai > --- > arch/s390x.c | 4 ++-- > makedumpfile.h | 1 - > 2 files changed, 2 insertions(+), 3 deletions(-) > > --- a/arch/s390x.c > +++ b/arch/s390x.c > @@ -195,10 +195,10 @@ static ulong _kl_pg_table_deref_s390x(un > readmem(VADDR, table + offset, &entry, sizeof(entry)); > /* > * Check if the page table entry could be read and doesn't have > - * any of the reserved bits set. > + * the reserved bit set. > * Check if the page table entry has the invalid bit set. > */ > - if (entry & (_PAGE_CO | _PAGE_ZERO | _PAGE_INVALID)) { > + if (entry & (_PAGE_ZERO | _PAGE_INVALID)) { > ERRMSG("Invalid page table entry.\n"); > return 0; > } > --- a/makedumpfile.h > +++ b/makedumpfile.h > @@ -575,7 +575,6 @@ do { \ > #define _SEGMENT_INDEX_SHIFT 20 > > /* Hardware bits in the page table entry */ > -#define _PAGE_CO 0x100 /* HW Change-bit override */ > #define _PAGE_ZERO 0x800 /* Bit pos 52 must conatin zero */ > #define _PAGE_INVALID 0x400 /* HW invalid bit */ > #define _PAGE_INDEX_SHIFT 12 > > > _______________________________________________ > kexec mailing list > [email protected] > http://lists.infradead.org/mailman/listinfo/kexec _______________________________________________ kexec mailing list [email protected] http://lists.infradead.org/mailman/listinfo/kexec
