On Mon, Oct 27, 2025 at 06:04:56PM +0100, Mikhail Zaslonko wrote: > In s390x_kvtop() early return may take place despite the verbose > flag. Thus we can miss page-table walk information in the vtop output > for kernel virtual addresses. > Make sure that s390x_vtop() is always called for kernel virtual addresses > when the verbose flag is passed to s390x_kvtop() by do_vtop(). > > Suggested-by: Heiko Carstens <[email protected]> > Signed-off-by: Mikhail Zaslonko <[email protected]> > --- > s390x.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/s390x.c b/s390x.c > index 25dca5e..77d9082 100644 > --- a/s390x.c > +++ b/s390x.c > @@ -943,15 +943,15 @@ s390x_kvtop(struct task_context *tc, ulong vaddr, > physaddr_t *paddr, int verbose > > if (!IS_KVADDR(vaddr)){ > *paddr = 0; > return FALSE; > } > > - if (!IS_VMALLOC_ADDR(vaddr)) { > - *paddr = VTOP(vaddr); > - return TRUE; > + if (!verbose && !IS_VMALLOC_ADDR(vaddr)) { > + *paddr = VTOP(vaddr); > + return TRUE; > } > > pgd_base = (unsigned long)vt->kernel_pgd[0]; > return s390x_vtop(pgd_base, vaddr, paddr, verbose); > }
Acked-by: Alexander Gordeev <[email protected]> -- Crash-utility mailing list -- [email protected] To unsubscribe send an email to [email protected] https://${domain_name}/admin/lists/devel.lists.crash-utility.osci.io/ Contribution Guidelines: https://github.com/crash-utility/crash/wiki
