Message ID | 20170613161323.25196-14-julien.grall@arm.com |
---|---|
State | Accepted |
Commit | 67c3ca7a7795f0ca31e3733ec6ae9716157e2726 |
Headers | show |
Series | xen/arm: Extend the usage of typesafe MFN | expand |
On Tue, 13 Jun 2017, Julien Grall wrote: > gfn_to_mfn is a wrapper of p2m_lookup which does not return the > p2m_type. > > Signed-off-by: Julien Grall <julien.grall@arm.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> > --- > xen/arch/arm/traps.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c > index 6cf9ee7244..ce19021f01 100644 > --- a/xen/arch/arm/traps.c > +++ b/xen/arch/arm/traps.c > @@ -2481,7 +2481,7 @@ void dump_guest_s1_walk(struct domain *d, vaddr_t addr) > uint32_t *first = NULL, *second = NULL; > mfn_t mfn; > > - mfn = p2m_lookup(d, _gfn(paddr_to_pfn(ttbr0)), NULL); > + mfn = gfn_to_mfn(d, _gfn(paddr_to_pfn(ttbr0))); > > printk("dom%d VA 0x%08"PRIvaddr"\n", d->domain_id, addr); > printk(" TTBCR: 0x%08"PRIregister"\n", ttbcr); > @@ -2513,7 +2513,7 @@ void dump_guest_s1_walk(struct domain *d, vaddr_t addr) > (first[offset] & 0x2) ) > goto done; > > - mfn = p2m_lookup(d, _gfn(paddr_to_pfn(first[offset])), NULL); > + mfn = gfn_to_mfn(d, _gfn(paddr_to_pfn(first[offset]))); > > if ( mfn_eq(mfn, INVALID_MFN) ) > { > @@ -2619,7 +2619,7 @@ static void do_trap_instr_abort_guest(struct cpu_user_regs *regs, > * with the Stage-2 page table. Walk the Stage-2 PT to check > * if the entry exists. If it's the case, return to the guest > */ > - mfn = p2m_lookup(current->domain, _gfn(paddr_to_pfn(gpa)), NULL); > + mfn = gfn_to_mfn(current->domain, _gfn(paddr_to_pfn(gpa))); > if ( !mfn_eq(mfn, INVALID_MFN) ) > return; > } > @@ -2759,7 +2759,7 @@ static void do_trap_data_abort_guest(struct cpu_user_regs *regs, > * with the Stage-2 page table. Walk the Stage-2 PT to check > * if the entry exists. If it's the case, return to the guest > */ > - mfn = p2m_lookup(current->domain, _gfn(paddr_to_pfn(info.gpa)), NULL); > + mfn = gfn_to_mfn(current->domain, _gfn(paddr_to_pfn(info.gpa))); > if ( !mfn_eq(mfn, INVALID_MFN) ) > return; > > -- > 2.11.0 >
diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c index 6cf9ee7244..ce19021f01 100644 --- a/xen/arch/arm/traps.c +++ b/xen/arch/arm/traps.c @@ -2481,7 +2481,7 @@ void dump_guest_s1_walk(struct domain *d, vaddr_t addr) uint32_t *first = NULL, *second = NULL; mfn_t mfn; - mfn = p2m_lookup(d, _gfn(paddr_to_pfn(ttbr0)), NULL); + mfn = gfn_to_mfn(d, _gfn(paddr_to_pfn(ttbr0))); printk("dom%d VA 0x%08"PRIvaddr"\n", d->domain_id, addr); printk(" TTBCR: 0x%08"PRIregister"\n", ttbcr); @@ -2513,7 +2513,7 @@ void dump_guest_s1_walk(struct domain *d, vaddr_t addr) (first[offset] & 0x2) ) goto done; - mfn = p2m_lookup(d, _gfn(paddr_to_pfn(first[offset])), NULL); + mfn = gfn_to_mfn(d, _gfn(paddr_to_pfn(first[offset]))); if ( mfn_eq(mfn, INVALID_MFN) ) { @@ -2619,7 +2619,7 @@ static void do_trap_instr_abort_guest(struct cpu_user_regs *regs, * with the Stage-2 page table. Walk the Stage-2 PT to check * if the entry exists. If it's the case, return to the guest */ - mfn = p2m_lookup(current->domain, _gfn(paddr_to_pfn(gpa)), NULL); + mfn = gfn_to_mfn(current->domain, _gfn(paddr_to_pfn(gpa))); if ( !mfn_eq(mfn, INVALID_MFN) ) return; } @@ -2759,7 +2759,7 @@ static void do_trap_data_abort_guest(struct cpu_user_regs *regs, * with the Stage-2 page table. Walk the Stage-2 PT to check * if the entry exists. If it's the case, return to the guest */ - mfn = p2m_lookup(current->domain, _gfn(paddr_to_pfn(info.gpa)), NULL); + mfn = gfn_to_mfn(current->domain, _gfn(paddr_to_pfn(info.gpa))); if ( !mfn_eq(mfn, INVALID_MFN) ) return;
gfn_to_mfn is a wrapper of p2m_lookup which does not return the p2m_type. Signed-off-by: Julien Grall <julien.grall@arm.com> --- xen/arch/arm/traps.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)